- Continuous-variable quantum authentication of physical unclonable keys: Security against an emulation attack

Author(s): Georgios M. NikolopoulosWe consider a recently proposed entity authentication protocol in which a physical unclonable key is interrogated by random coherent states of light, and the quadrat … - Efficient quantum repeater with respect to both entanglement-concentration rate and complexity of local operations and classical communication

Author(s): Zhaofeng Su, Ji Guan, and Lvzhou LiQuantum entanglement is an indispensable resource for many significant quantum information processing tasks. However, in practice, it is difficult to dist … - Intercombination transition rates in ${\mathrm{N}}^{+}$

Author(s): Xiaozhi Shen, Juan Liu, Cuicui Sang, and Per JönssonAccurate intercombination transition rates ($A$), arising from the $2{s}^{2}2pnl$ ($n$ = 3, 4, 5; $l$ = $s,p,d$) and $2s2{p}^{3}$ configu … - Electron-impact triple ionization of ${\mathrm{Se}}^{2+}$

Author(s): Jurgita Koncevičiūtė, Sigitas Kučas, Šarūnas Masys, Aušra Kynienė, and Valdas JonauskasIt is shown that triple ionization (TI) of the ${\mathrm{Se}}^{2+}$ ion is mainly formed in two ways: … - Calculations of positronium-atom scattering using a spherical cavity

Author(s): A. R. Swann and G. F. GribakinPositronium (Ps) scattering by noble-gas atoms (He, Ne, Ar, Kr, and Xe) is studied in the frozen-target approximation and with inclusion of the van der Waals i … - Ionization of atomic hydrogen by an intense x-ray laser pulse: An ab initio study of the breakdown of the dipole approximation

Author(s): Thore Espedal Moe and Morten FørreSolving the time-dependent Schrödinger equation numerically within the framework of an ab initio model, the breakdown of the dipole approximation in modeli … - Low-frequency approximation for high-order harmonic generation by a bicircular laser field

Author(s): D. B. MiloševićWe present low-frequency approximation (LFA) for high-order harmonic generation (HHG) process. LFA represents the lowest-order term of an expansion of the final-state interac … - Resonance-modulated wavelength scaling of high-order-harmonic generation from ${\mathrm{H}}_{2}{}^{+}$

Author(s): Baoning Wang, Lixin He, Feng Wang, Hua Yuan, Xiaosong Zhu, Pengfei Lan, and Peixiang LuWavelength scaling of high-order harmonic generation (HHG) in a non-Born-Oppenheimer treatment of ${\m … - Realization of balanced gain and loss in a time-dependent four-mode Bose-Hubbard model

Author(s): Daniel Dizdarevic, Jörg Main, Kirill Alpin, Johannes Reiff, Dennis Dast, Holger Cartarius, and Günter WunnerA quantum system exhibiting $\mathcal{PT}$ symmetry is a Bose-Einstein condensate … - Theoretical exploration of competing phases of lattice Bose gases in a cavity

Author(s): Renyuan Liao, Huang-Jie Chen, Dong-Chen Zheng, and Zhi-Gao HuangWe consider bosonic atoms loaded into optical lattices with cavity-mediated infinite-range interactions. Competing short- and … - Symmetry-enriched Bose-Einstein condensates in a spin-orbit-coupled bilayer system

Author(s): Jia-Ming Cheng, Xiang-Fa Zhou, Zheng-Wei Zhou, Guang-Can Guo, and Ming GongWe consider the fate of Bose-Einstein condensation with time-reversal symmetry and inversion symmetry in a spin-or … - Experimental cancellation of aberrations in intensity correlation in classical optics

Author(s): A. J. Jesus-Silva, Juarez G. Silva, C. H. Monken, and E. J. S. FonsecaWe study the classical correlation function of spatially incoherent beams with a phase aberration in the beam path. On … - Concept of quantum timing jitter and non-Markovian limits in single-photon detection

Author(s): Li-Ping Yang, Hong X. Tang, and Zubin JacobSingle atoms form a model system for understanding the limits of single-photon detection. Here, we develop a non-Markovian theory of single-photon … - Nonlinear unitary transformations of space-variant polarized light fields from self-induced geometric-phase optical elements

Author(s): Nina Kravets and Etienne BrasseletWe propose to couple the optical orientational nonlinearities of liquid crystals with their ability to self-organize to tailor them to control space-varian … - Chiral spin currents in a trapped-ion quantum simulator using Floquet engineering

Author(s): Tobias Graß, Alessio Celi, Guido Pagano, and Maciej LewensteinThe most typical ingredient of topologically protected quantum states is magnetic fluxes. In a system of spins, complex-valued … - Interatomic relaxation processes induced in neon dimers by electron-impact ionization

Author(s): S. Yan, P. Zhang, V. Stumpf, K. Gokhberg, X. C. Zhang, S. Xu, B. Li, L. L. Shen, X. L. Zhu, W. T. Feng, S. F. Zhang, D. M. Zhao, and X. MaWe report an experimental observation of the intera … - Real-time quantum state estimation in circuit QED via the Bayesian approach

Author(s): Yang Yang, Beili Gong, and Wei CuiUsing a superconducting circuit QED device, we present a theoretical study of real-time quantum state estimation via the quantum Bayesian approach. Suitabl … - Quantum metrology at level anticrossing

Author(s): Luca Ghirardi, Ilaria Siloi, Paolo Bordone, Filippo Troiani, and Matteo G. A. ParisWe address parameter estimation in two-level systems exhibiting level anticrossing and prove that universa … - Parity-time-symmetric coupled asymmetric dimers

Author(s): L. JinWe investigate a parity-time ($\mathcal{PT}$)-symmetric system that consists of two symmetrically coupled asymmetric dimers. The enclosed magnetic flux controls the $\mathcal{PT}$ pha … - Protecting the entanglement of twisted photons by adaptive optics

Author(s): Nina Leonhard, Giacomo Sorelli, Vyacheslav N. Shatokhin, Claudia Reinlein, and Andreas BuchleitnerEntanglement degradation of orbital-angular-momentum modes can be prevented using adaptive … - Ultimate entanglement robustness of two-qubit states against general local noises

Author(s): Sergey N. Filippov, Vladimir V. Frizen, and Daria V. KolobovaWe study the problem of optimal preparation of a bipartite entangled state, which remains entangled the longest time under actio … - Qudit hypergraph states and their properties

Author(s): Fei-Lei Xiong, Yi-Zheng Zhen, Wen-Fei Cao, Kai Chen, and Zeng-Bing ChenHypergraph states, a generalization of graph states, constitute a large class of quantum states with intriguing nonloc … - Anisotropic polarizability of erbium atoms

Author(s): J. H. Becher, S. Baier, K. Aikawa, M. Lepers, J.-F. Wyart, O. Dulieu, and F. FerlainoWe report on the determination of the dynamical polarizability of ultracold erbium atoms in the ground a … - Dark-bright quadratic solitons with a focusing effective Kerr nonlinearity

Author(s): Manna Chen, Xiaorou Ping, Guo Liang, Qi Guo, Daquan Lu, and Wei HuDark solitons are traditionally considered to exist in defocusing Kerr nonlinearity media. We investigate dark quadratic so … - Hamiltonian design to prepare arbitrary states of four-level systems

Author(s): Yi-Chao Li, D. Martínez-Cercós, S. Martínez-Garaot, Xi Chen, and J. G. MugaWe propose a method to manipulate four-level systems with specific coupling configurations by means of time-depend … - Edge states in self-complementary checkerboard photonic crystals: Zak phase, surface impedance, and experimental verification

Author(s): Xiao-Dong Chen, Ding Zhao, Xiao-Sheng Zhu, Fu-Long Shi, Huan Liu, Jin-Cheng Lu, Min Chen, and Jian-Wen DongEdge states of photonic crystals have attracted much attention for the potential a … - Electron-electron correlation in two-photon double ionization of He-like ions

Author(s): S. X. Hu (胡素兴)Electron correlation plays a crucial role in quantum many-body physics ranging from molecular bonding and strong-field–induced multielectron ionization, to superconducting in … - Disordered resonant media: Self-induced transparency versus light localization

Author(s): Denis V. NovitskyWe propose a concept of disordered resonant media, which are characterized by random variations of their parameters along the light propagation direction. In particular, a … - Radiation-pressure-mediated control of an optomechanical cavity

Author(s): Jonathan Cripe, Nancy Aggarwal, Robinjeet Singh, Robert Lanza, Adam Libson, Min Jet Yap, Garrett D. Cole, David E. McClelland, Nergis Mavalvala, and Thomas CorbittWe describe and demonstrat … - Heralded entangling quantum gate via cavity-assisted photon scattering

Author(s): Halyne S. Borges, Daniel Z. Rossatto, Fabrício S. Luiz, and Celso J. Villas-BoasWe theoretically investigate the generation of heralded entanglement between two identical atoms via cavity-a … - Bounds on the dynamics of periodic quantum walks and emergence of the gapless and gapped Dirac equation

Author(s): N. Pradeep Kumar, Radhakrishna Balu, Raymond Laflamme, and C. M. ChandrashekarWe study the dynamics of discrete-time quantum walk using quantum coin operations, $\stackrel{̂}{C}({θ}_{1})$ a … - Simultaneous continuous measurement of noncommuting observables: Quantum state correlations

Author(s): Areeya Chantasri, Juan Atalaya, Shay Hacohen-Gourgy, Leigh S. Martin, Irfan Siddiqi, and Andrew N. JordanWe consider the temporal correlations of the quantum state of a qubit subject to sim … - Effects of the Coulomb potential in interference patterns of strong-field holography with photoelectrons

Author(s): N. I. Shvetsov-Shilovski and M. LeinUsing the semiclassical two-step model for strong-field ionization we investigate the interference structures emerging in strong-field photoelectron holo … - Trapping and cooling particles using a moving atom diode and an atomic mirror

Author(s): Tom Dowdall and Andreas RuschhauptWe propose a theoretical scheme for atomic cooling, i.e., the compression of both velocity and position distribution of particles in motion. This is achiev … - Nonadiabatic ponderomotive effects in photoemission from nanotips in intense midinfrared laser fields

Author(s): J. Schötz, S. Mitra, H. Fuest, M. Neuhaus, W. A. Okell, M. Förster, T. Paschen, M. F. Ciappina, H. Yanagisawa, P. Wnuk, P. Hommelhoff, and M. F. KlingTransient near fields around metallic n … - Dynamical vanishing of the order parameter in a confined Bardeen-Cooper-Schrieffer Fermi gas after an interaction quench

Author(s): S. Hannibal, P. Kettmann, M. D. Croitoru, V. M. Axt, and T. KuhnWe present a numerical study of the Higgs mode in an ultracold confined Fermi gas after an interaction quench and find a dyna … - Calibration of atomic trajectories in a large-area dual-atom-interferometer gyroscope

Author(s): Zhan-Wei Yao, Si-Bin Lu, Run-Bing Li, Jun Luo, Jin Wang, and Ming-Sheng ZhanWe propose and demonstrate a method for calibrating atomic trajectories in a large-area dual-atom-interferometer … - Comparative study of one-dimensional Bose and Fermi gases with contact interactions from the viewpoint of universal relations for correlation functions

Author(s): Yuta Sekino, Shina Tan, and Yusuke NishidaOne-dimensional spinless Bose and Fermi gases with contact interactions have the close interrelation via Girardeau's Bose-Fermi mapping, leadi … - Entanglement prethermalization in the Tomonaga-Luttinger model

Author(s): Eriko Kaminishi, Takashi Mori, Tatsuhiko N. Ikeda, and Masahito UedaPrethermalization refers to the relaxation to a quasistationary state before reaching thermal equilibrium. Recently, it w … - Analog gravity by an optical vortex: Resonance enhancement of Hawking radiation

Author(s): Marco Ornigotti, Shimshon Bar-Ad, Alexander Szameit, and Victor FleurovPropagation of coherent light in a Kerr nonlinear medium can be mapped onto a flow of an equivalent fluid. Here we use … - Modal analysis of wave propagation in dispersive media

Author(s): M. Ismail Abdelrahman and B. GralakSurveys on wave propagation in dispersive media have been limited since the pioneering work of Sommerfeld [Ann. Phys. 349, 177 (1914)] by the presence of … - Dissipative phase transition in the open quantum Rabi model

Author(s): Myung-Joong Hwang, Peter Rabl, and Martin B. PlenioWe demonstrate that the open quantum Rabi model (QRM) exhibits a second-order dissipative phase transition (DPT) and propose a method to o … - Publisher's Note: Positronium-atom scattering at low energies [Phys. Rev. A 90, 052717 (2014)]

Author(s): I. I. Fabrikant and G. F. Gribakin[Phys. Rev. A 97, 019903] Published Wed Jan 17, 2018 - Ab initio multiscale simulation of high-order harmonic generation in solids

Author(s): Isabella Floss, Christoph Lemell, Georg Wachter, Valerie Smejkal, Shunsuke A. Sato, Xiao-Min Tong, Kazuhiro Yabana, and Joachim BurgdörferHigh-order-harmonic generation by a highly nonlinea … - Quasimomentum distribution and expansion of an anyonic gas

Author(s): Tena Dubček, Bruno Klajn, Robert Pezer, Hrvoje Buljan, and Dario JukićWe point out that the momentum distribution is not a proper observable for a system of anyons in two dimensions. In vie … - Quantum weak and modular values in enlarged Hilbert spaces

Author(s): Le Bin Ho and Nobuyuki ImotoWe introduce an enlarged state, which combines both pre- and postselection states at a given time $t$ in between the pre- and postselection. Based on this form, … - Estimating the radiative part of QED effects in superheavy nuclear quasimolecules

Author(s): A. Roenko and K. SveshnikovA method for calculating the electronic levels in the compact superheavy nuclear quasimolecules, based on solving the two-center Dirac equation using the multipol … - Entropy dynamics of a dephasing model in a squeezed thermal bath

Author(s): Yi-Ning You and Sheng-Wen LiWe study the entropy dynamics of a dephasing model, where a two-level system (TLS) is coupled with a squeezed thermal bath via a nondemolition interaction. This … - Symmetry-breaking dynamics of the finite-size Lipkin-Meshkov-Glick model near ground state

Author(s): Yi Huang, Tongcang Li, and Zhang-qi YinWe study the dynamics of the Lipkin-Meshkov-Glick (LMG) model with a finite number of spins. In the thermodynamic limit, the ground state of the LMG m … - Quantum-key-distribution protocol with pseudorandom bases

Author(s): A. S. Trushechkin, P. A. Tregubov, E. O. Kiktenko, Y. V. Kurochkin, and A. K. FedorovQuantum key distribution (QKD) offers a way for establishing information-theoretical secure communicatio … - Generating maximally-path-entangled number states in two spin ensembles coupled to a superconducting flux qubit

Author(s): Yusef Maleki and Aleksei M. ZheltikovAn ensemble of nitrogen-vacancy (NV) centers coupled to a circuit QED device is shown to enable an efficient, high-fidelity generation of high-N00N stat … - One-sided measurement-device-independent quantum key distribution

Author(s): Wen-Fei Cao, Yi-Zheng Zhen, Yu-Lin Zheng, Li Li, Zeng-Bing Chen, Nai-Le Liu, and Kai ChenMeasurement-device-independent quantum key distribution (MDI-QKD) protocol was proposed to remove al … - Device-independent certification of two bits of randomness from one entangled bit and Gisin's elegant Bell inequality

Author(s): Ole Andersson, Piotr Badziąg, Irina Dumitru, and Adán CabelloWe prove that as conjectured by Acín et al. [Phys. Rev. A 93, 040102(R) (2016)], two bits of randomness can be certified in a de … - Beating the classical limits of information transmission using a quantum decoder

Author(s): Robert J. Chapman, Akib Karim, Zixin Huang, Steven T. Flammia, Marco Tomamichel, and Alberto PeruzzoEncoding schemes and error-correcting codes are widely used in information technology to … - Emergence of entanglement with temperature and time in factorization-surface states

Author(s): Titas Chanda, Tamoghna Das, Debasis Sadhukhan, Amit Kumar Pal, Aditi Sen(De), and Ujjwal SenThere exist zero-temperature states in quantum many-body systems that are fully factorized, there … - Passive state preparation in the Gaussian-modulated coherent-states quantum key distribution

Author(s): Bing Qi, Philip G. Evans, and Warren P. GriceIn the Gaussian-modulated coherent-states (GMCS) quantum key distribution (QKD) protocol, Alice prepares quantum states actively: For each trans … - Measurement-free implementations of small-scale surface codes for quantum-dot qubits

Author(s): H. Ekmel Ercan, Joydip Ghosh, Daniel Crow, Vickram N. Premakumar, Robert Joynt, Mark Friesen, and S. N. CoppersmithThe performance of quantum-error-correction schemes depends sensitively on … - High resource of azimuthal entanglement in terms of Cartesian variables of noncollinear biphotons

Author(s): M. V. FedorovSingle-particle and coincidence distributions of photons are analyzed for the noncollinear frequency-degenerate type-I regime of spontaneous parametric down-conversion. Noncoll … - Optimal entangling operations between deterministic blocks of qubits encoded into single photons

Author(s): Jake A. Smith and Lev KaplanHere, we numerically simulate probabilistic elementary entangling operations between rail-encoded photons for the purpose of scalable universal quantum computati … - High-resolution two-photon spectroscopy of a $5{p}^{5}6p←5{p}^{6}$ transition of xenon

Author(s): Emily Altiere, Eric R. Miller, Tomohiro Hayamizu, David J. Jones, Kirk W. Madison, and Takamasa MomoseWe report high-resolution Doppler-free two-photon excitation spectroscopy of Xe from th … - Structure of LiPs ground and excited states

Author(s): Dario BressaniniThe lithium atom in its ground state can bind positronium (Ps) forming LiPs, an electronically stable system. In this study we use the fixed node diffusion Monte Carlo metho … - Time-dependent quantum description of molecular double-core-hole-state formation: Impact of the nuclear dynamics on sequential two-photon processes

Author(s): S. Oberli, N. Sisourat, P. Selles, and S. CarniatoWe present a theoretical model to investigate double-core-hole-state formation in molecules through sequential absorption of two x-ray phot … - Synthetic clock transitions via continuous dynamical decoupling

Author(s): D. Trypogeorgos, A. Valdés-Curiel, N. Lundblad, and I. B. SpielmanDecoherence of quantum systems due to uncontrolled fluctuations of the environment presents fundamental obstacles in quantu … - Continuously observing a dynamically decoupled spin-1 quantum gas

Author(s): R. P. Anderson, M. J. Kewming, and L. D. TurnerWe continuously observe dynamical decoupling in a spin-1 quantum gas using a weak optical measurement of spin precession. Continuous dynamical … - Near-$K$-edge single, double, and triple photoionization of ${\mathrm{C}}^{+}$ ions

Author(s): A. Müller, A. Borovik, Jr., T. Buhr, J. Hellhund, K. Holste, A. L. D. Kilcoyne, S. Klumpp, M. Martins, S. Ricz, J. Viefhaus, and S. SchippersAbsolute cross-section measurements for photoion … - Flows with fractional quantum circulation in Bose-Einstein condensates induced by nontopological phase defects

Author(s): Toshiaki Kanai, Wei Guo, and Makoto TsubotaIt is a common view that rotational motion in a superfluid can exist only in the presence of topological defects, i.e., quantized vortices. Howeve … - Expansion of a quantum wave packet in a one-dimensional disordered potential in the presence of a uniform bias force

Author(s): C. Crosnier de Bellaistre, C. Trefzger, A. Aspect, A. Georges, and L. Sanchez-PalenciaThe expansion dynamics of an initially confined wave packet is numerically studied in the presence of a … - Quasi-one-dimensional spin-orbit- and Rabi-coupled bright dipolar Bose-Einstein-condensate solitons

Author(s): Emerson ChiquilloWe study the formation of stable bright solitons in quasi-one-dimensional (quasi-1D) spin-orbit- (SO-) and Rabi-coupled two pseudospinor dipolar Bose-Einstein condensates ( … - Equilibrium phases of dipolar lattice bosons in the presence of random diagonal disorder

Author(s): C. Zhang, A. Safavi-Naini, and B. Capogrosso-SansoneUltracold gases offer an unprecedented opportunity to engineer disorder and interactions in a controlled manner. In an effort to understa … - Ultracold atoms in multiple radio-frequency dressed adiabatic potentials

Author(s): T. L. Harte, E. Bentine, K. Luksch, A. J. Barker, D. Trypogeorgos, B. Yuen, and C. J. FootWe present the first experimental demonstration of a multiple radio-frequency dressed potential for … - Domain-area distribution anomaly in segregating multicomponent superfluids

Author(s): Hiromitsu TakeuchiThe domain-area distribution in the phase transition dynamics of ${Z}_{2}$ symmetry breaking is studied theoretically and numerically for segregating binary Bose-Einstein … - Berezinskii-Kosterlitz-Thouless transition in the time-reversal-symmetric Hofstadter-Hubbard model

Author(s): M. IskinAssuming that two-component Fermi gases with opposite artificial magnetic fields on a square optical lattice are well described by the so-called time-reversal-symmetric Hofstadter-H … - Effect of Cherenkov radiation on localized-state interaction

Author(s): A. G. Vladimirov, S. V. Gurevich, and M. TlidiWe study theoretically the interaction of temporal localized states in all fiber cavities and microresonator-based optical frequency comb gener … - Analytical modeling of soliton interactions in a nonlocal nonlinear medium analogous to gravitational force

Author(s): Shihao Zeng, Manna Chen, Ting Zhang, Wei Hu, Qi Guo, and Daquan LuWe illuminate an analytical model of soliton interactions in lead glass by analogizing to a gravitational force system. The … - Quarter-flux Hofstadter lattice in a qubit-compatible microwave cavity array

Author(s): Clai Owens, Aman LaChapelle, Brendan Saxberg, Brandon M. Anderson, Ruichao Ma, Jonathan Simon, and David I. SchusterTopological and strongly correlated materials are exciting frontiers in c … - Magnetic dipole-dipole interaction induced by the electromagnetic field

Author(s): Jiaxuan Wang, Hui Dong, and Sheng-Wen LiWe give a derivation for the indirect interaction between two magnetic dipoles induced by the quantized electromagnetic field. It turns out that the … - Fast macroscopic-superposition-state generation by coherent driving

Author(s): Emi Yukawa, G. J. Milburn, and Kae NemotoWe propose a scheme to generate macroscopic superposition states (MSSs) in spin ensembles, where a coherent driving field is applied to accelerate t … - Enhancement of the quadrupole interaction of an atom with the guided light of an ultrathin optical fiber

Author(s): Fam Le Kien, Tridib Ray, Thomas Nieddu, Thomas Busch, and Síle Nic ChormaicWe investigate the electric quadrupole interaction of an alkali-metal atom with guided light in the fundamental an … - Optical screwdriving induced by the quantum spin Hall effect of surface plasmons near an interface between strongly chiral material and air

Author(s): Qiang Zhang, Junqing Li, Xingguang Liu, Demissie J. Gelmecha, and Weigang ZhangWe reveal a behavior of screwdriving of a surface plasmonic field formed near a surface of strongly chiral mat … - Comment on “Laser cooling of $^{173}\mathrm{Yb}$ for isotope separation and precision hyperfine spectroscopy”

Author(s): Quinton McKnight, Adam Dodson, Tucker Sprenkle, Tyler Bennett, and Scott BergesonWe present measurements of the hyperfine splitting in the $^{173}\mathrm{Yb} 6s6p\phantom{\rule{0.16em}{0ex} … - Quantum-enhanced sensing from hyperentanglement

Author(s): S. P. Walborn, A. H. Pimentel, L. Davidovich, and R. L. de Matos FilhoHyperentanglement—simultaneous entanglement between multiple degrees of freedom of two or more systems—has been used to … - Quantum effects of Aharonov-Bohm type and noncommutative quantum mechanics

Author(s): Miguel E. Rodriguez R.Quantum mechanics in noncommutative space modifies the standard result of the Aharonov-Bohm effect for electrons and other recent quantum effects. Here we obtain the p … - Redundant information encoding in QED during decoherence

Author(s): J. Tuziemski, P. Witas, and J. K. KorbiczBroadly understood decoherence processes in quantum electrodynamics, induced by neglecting either the radiation [L. Landau, Z. Phys. 45, 430 (1927)] … - Multidimensional entropic uncertainty relation based on a commutator matrix in position and momentum spaces

Author(s): Anaelle Hertz, Luc Vanbever, and Nicolas J. CerfThe uncertainty relation for continuous variables due to Byałinicki-Birula and Mycielski [I. Białynicki-Birula and J. Mycielski, Commun. Math … - Finding paths in tree graphs with a quantum walk

Author(s): Daniel Koch and Mark HilleryWe analyze the potential for different types of searches using the formalism of scattering random walks on quantum computers. Given a particular type of graph co … - Analysis of coined quantum walks with renormalization

Author(s): Stefan Boettcher and Shanshan LiWe introduce a framework to analyze quantum algorithms with the renormalization group (RG). To this end, we present a detailed analysis of the real-space RG … - Pilot-multiplexed continuous-variable quantum key distribution with a real local oscillator

Author(s): Tao Wang, Peng Huang, Yingming Zhou, Weiqi Liu, and Guihua ZengWe propose a pilot-multiplexed continuous-variable quantum key distribution (CVQKD) scheme based on a local local oscillator ( … - Density-functional theory for internal magnetic fields

Author(s): Erik I. TellgrenA density-functional theory is developed based on the Maxwell-Schrödinger equation with an internal magnetic field in addition to the external electromagnetic potentials. Th … - Microwave spectroscopy of the $1snp ^{3}P_{J}$ fine structure of high Rydberg states in $^{4}\mathrm{He}$

Author(s): A. Deller and S. D. HoganThe $1snp\phantom{\rule{0.16em}{0ex}}^{3}P_{J}$ fine structure of high Rydberg states in helium has been measured by microwave spectroscopy of single-photon transit … - Relativistic semiempirical-core-potential calculations in ${\mathrm{Ca}}^{+},\phantom{\rule{0.16em}{0ex}}{\mathrm{Sr}}^{+}$, and ${\mathrm{Ba}}^{+}$ ions on Lagrange meshes

Author(s): Livio Filippin, Sacha Schiffmann, Jérémy Dohet-Eraly, Daniel Baye, and Michel GodefroidRelativistic atomic structure calculations are carried out in alkaline-earth-metal ions using a semiem … - Low-energy electron scattering from methylene radicals: Multichannel-coupling effects

Author(s): Kedong Wang, Haoxing Zhang, Xiaotian Huang, Yufang Liu, and Jinfeng SunWe reported elastic (integrated and differential), momentum-transfer, and excitation cross sections for electron colli … - Two-body loss rates for reactive collisions of cold atoms

Author(s): C. Cop and R. WalserWe present an effective two-channel model for reactive collisions of cold atoms. It augments elastic molecular channels with an irreversible, inelastic loss channel. Sca … - Modeling the adiabatic creation of ultracold polar ${}^{23}{\mathrm{Na}}^{40}\mathrm{K}$ molecules

Author(s): Frauke Seeßelberg, Nikolaus Buchheim, Zhen-Kai Lu, Tobias Schneider, Xin-Yu Luo, Eberhard Tiemann, Immanuel Bloch, and Christoph GohleUltracold fermionic 23Na40K polar molecules are produce … - Effective three-body interactions for bosons in a double-well confinement

Author(s): Jacek Dobrzyniecki, Xikun Li, Anne E. B. Nielsen, and Tomasz SowińskiWhen describing the low-energy physics of bosons in a double-well potential with a high barrier between the wells and su … - Probing the sign of the Hubbard interaction by two-particle quantum walks

Author(s): Andrea Beggi, Luca Razzoli, Paolo Bordone, and Matteo G. A. ParisWe address the discrimination between attractive and repulsive interaction in systems made of two identical bosons propagati … - Coherent properties of a tunable low-energy electron-matter-wave source

Author(s): A. Pooch, M. Seidling, N. Kerker, R. Röpke, A. Rembold, W. T. Chang, I. S. Hwang, and A. StiborA general challenge in various quantum experiments and applications is to develop suitable sou … - Control of ultrafast pulses in a hydrogen-filled hollow-core photonic-crystal fiber by Raman coherence

Author(s): F. Belli, A. Abdolvand, J. C. Travers, and P. St. J. RussellWe present the results of an experimental and numerical investigation into temporally nonlocal coherent interactions between ultr … - Comprehensive solutions to the Bloch equations and dynamical models for open two-level systems

Author(s): Thomas E. SkinnerThe Bloch equation and its variants constitute the fundamental dynamical model for arbitrary two-level systems. Many important processes, including those in more complicate … - Two methods for measuring Bell nonlocality via local unitary invariants of two-qubit systems in Hong-Ou-Mandel interferometers

Author(s): Karol Bartkiewicz and Grzegorz ChimczakWe describe a direct method to experimentally determine local two-qubit invariants by performing interferometric measurements on multiple copies of a … - Application of path-integral quantization to indistinguishable particle systems topologically confined by a magnetic field

Author(s): Janusz E. JacakWe demonstrate an original development of path-integral quantization in the case of a multiply connected configuration space of indistinguishable charged particles on a 2D ma …