- Stochastic decoupling approach to the spin-boson dynamics: Perturbative and nonperturbative treatments

Author(s): Wei WuWe develop a hierarchical functional derivative (HFD) method to investigate the reduced dynamics of a spin-boson model within the framework of a stochastic decoupling description. Kee … - Topology-dependent quantum dynamics and entanglement-dependent topological pumping in superconducting qubit chains

Author(s): Feng Mei, Gang Chen, Lin Tian, Shi-Liang Zhu, and Suotang JiaWe propose a protocol using a tunable Xmon qubit chain to construct generalized Su-Schrieffer-Heeger (SSH) models that support v … - Family of coherence measures and duality between quantum coherence and path distinguishability

Author(s): Chunhe Xiong, Asutosh Kumar, and Junde WuCoherence measures and their operational interpretations lay the cornerstone of coherence theory. In this paper, we introduce a class of coherence m … - Staircase in magnetization and entanglement entropy of spinor condensates

Author(s): H. M. Bharath, M. S. Chapman, and C. A. R. Sá de MeloStaircases in response functions are associated with physically observable quantities that respond discretely to continuous tuning of a … - Quantum-limited Euler angle measurements using anticoherent states

Author(s): Aaron Z. Goldberg and Daniel F. V. JamesMany protocols require precise rotation measurement. Here we present a general class of states that surpass the shot-noise limit for measuring rotati … - Estimation of general Hamiltonian parameters via controlled energy measurements

Author(s): Luigi Seveso and Matteo G. A. ParisThe quantum Cramér-Rao theorem states that the quantum Fisher information bounds the best achievable precision in the estimation of a quantum parameter $ξ … - Simulation of quantum walks and fast mixing with classical processes

Author(s): Simon Apers, Alain Sarlette, and Francesco TicozziWe compare discrete-time quantum walks on graphs to their natural classical equivalents, which we argue are lifted Markov chains (LMCs), th … - Unidimensional continuous-variable quantum key distribution using squeezed states

Author(s): Vladyslav C. UsenkoThe possibility of using squeezed states in the recently suggested unidimensional continuous-variable quantum key distribution based on a single quadrature modulation is … - Stable quantum memories with limited measurement

Author(s): C. Daniel Freeman, Mohan Sarovar, C. M. Herdman, and K. B. WhaleyWe demonstrate the existence of a finite temperature threshold for a one-dimensional stabilizer code under an error correcti … - Determination of the spectral variation origin in high-order harmonic generation in noble gases

Author(s): V. E. Nefedova, M. F. Ciappina, O. Finke, M. Albrecht, J. Vábek, M. Kozlová, N. Suárez, E. Pisanty, M. Lewenstein, and J. NejdlOne key parameter in the high-order harmonic generation (HHG) … - Dependence of Rydberg-state creation by strong-field ionization on laser intensity

Author(s): L. Ortmann, C. Hofmann, and A. S. LandsmanWe investigate numerically and analytically the intensity dependence of the fraction of electrons that end up in a Rydberg state after strong-field … - Many-particle interferometry and entanglement by path identity

Author(s): Mayukh LahiriWe introduce a general scheme of many-particle interferometry in which two identical sources are used and “which-way information” is eliminated by making the paths of one or mo … - Quantum theories from principles without assuming a definite causal structure

Author(s): Ding Jia (贾丁)There has been a body of work deriving the complex Hilbert-space structure of quantum theory from axioms/principles/postulates to deepen our understanding of quantum theory and … - Quantum states with equal unlockable correlations and quantum discord

Author(s): M. Nikaeen, A. Mani, and A. BahrampourIn the context of quantum locking of classical correlations protocols, the condition for equality of the amount of unlockable correlations and quantum … - Low-temperature behavior of the Casimir-Polder free energy and entropy for an atom interacting with graphene

Author(s): G. L. Klimchitskaya and V. M. MostepanenkoThe analytic expressions for the free energy and entropy of the Casimir-Polder interaction between a polarizable and magnetizable atom and a graphe … - Field-induced topological pair-density wave states in a multilayer optical lattice

Author(s): Zhen-Fei Zheng, Guang-Can Guo, Han Pu, and Xu-Bo ZouWe study the superfluid phases of a Fermi gas in a multilayer optical lattice system in the presence of out-of-plane Zeeman field, as wel … - Resonant-state expansion of three-dimensional open optical systems: Light scattering

Author(s): S. V. Lobanov, W. Langbein, and E. A. MuljarovA rigorous method of calculating the electromagnetic field, the scattering matrix, and scattering cross sections of an arbitrary finite three-d … - Dicke phase transition in a disordered emitter–graphene-plasmon system

Author(s): Yu-Xiang Zhang, Yuan Zhang, and Klaus MølmerWe study the Dicke phase transition in a disordered system of emitters coupled to the plasmonic modes of a graphene monolayer. This system has un … - Entangling an arbitrary pair of qubits in a long ion crystal

Author(s): Pak Hong Leung and Kenneth R. BrownIt is well established that the collective motion of ion crystals can be used as a quantum bus for multiqubit entanglement. However, as the number of ions … - Initial-state-dependent thermalization in open qubits

Author(s): Andrés Vallejo, Alejandro Romanelli, and Raúl DonangeloWe study, from a thermodynamic perspective, the equilibrium states of a qubit interacting with an arbitrary environment of dimension $ … - Phase reconstruction of a strong-laser-field-excited complex molecular system

Author(s): Yanghua Zhang, Zhenhao Wang, Quanjun Wang, Jingjie Ding, Shaohua Sun, Zuoye Liu, and Bitao HuWe study the dynamic evolution of the excited dye molecule IR144 in the liquid phase by performi … - Partial cross sections and interfering resonances in photoionization of molecular nitrogen

Author(s): Markus Klinker, Carlos Marante, Luca Argenti, Jesús González-Vázquez, and Fernando MartínWe present an in-depth theoretical study of ${\mathrm{N}}_{2}$ photoionization in the region between … - Implementation of multimode Gaussian unitaries using primitive components

Author(s): Gianfranco Cariolaro and Gianfranco PierobonIn the field of continuous-variable systems a fundamental role is played by Gaussian unitaries, that is, operators that preserve the Gaussian cha … - Hierarchy of the nonlocal advantage of quantum coherence and Bell nonlocality

Author(s): Ming-Liang Hu, Xiao-Min Wang, and Heng FanQuantum coherence and nonlocality capture the nature of quantumness from different aspects. For the two-qubit states with a diagonal correlation ma … - Four-photon Kapitza-Dirac effect as an electron spin filter

Author(s): Asma Ebadati, Mohsen Vafaee, and Babak ShokriWe theoretically demonstrate the feasibility of producing an electron spin beam splitter using Kapitza-Dirac diffraction on bichromatic standing … - Signatures of autoionization in the angular electron distribution in two-photon double ionization of Ar

Author(s): S. Augustin, M. Schulz, G. Schmid, K. Schnorr, E. V. Gryzlova, H. Lindenblatt, S. Meister, Y. F. Liu, F. Trost, L. Fechner, A. N. Grum-Grzhimailo, S. M. Burkov, M. Braune, R. Treusch, M. Gi … - Identifying and decoupling many-body interactions in spin ensembles in diamond

Author(s): D. Farfurnik, Y. Horowicz, and N. Bar-GillWe simulate the dynamics of varying density quasi-two-dimensional spin ensembles in solid-state systems, focusing on the nitrogen-vacancy centers i … - Absolute total, partial, and differential cross sections for photodetachment of ${\mathrm{O}}^{−}$

Author(s): Matthieu Génévriez, Kevin M. Dunseath, Mariko Terao-Dunseath, Alan Hibbert, Arnaud Dochain, Raphaël Marion, and Xavier UrbainAbsolute total, partial, and differential cross sections for the … - Long-lived coherence between ground and Rydberg levels in a magic-wavelength lattice

Author(s): J. Lampen, H. Nguyen, L. Li, P. R. Berman, and A. KuzmichBy confining atoms in a state-insensitive optical lattice, the lifetime of the ground-state–Rydberg coherence is increased to $≥20\p … - Theoretical and experimental analysis of staircase pulses in passive mode-locked fiber lasers

Author(s): Georges Semaan, Andrey Komarov, Alioune Niang, Yichang Meng, Meriem Kemel, Mohamed Salhi, and François SanchezWe report an experimental observation of staircase pulses generated from an Er: … - Optimal quantum preparation contextuality in an $n$-bit parity-oblivious multiplexing task

Author(s): Shouvik Ghorai and A. K. PanIn [Phys. Rev. Lett. 102, 010401 (2009)], Spekkens et al. have shown that quantum preparation contextuality can power the parity-oblivious multiplexing (POM) tas … - Implementing quantum algorithms on temporal photonic cluster states

Author(s): Daiqin Su, Krishna Kumar Sabapathy, Casey R. Myers, Haoyu Qi, Christian Weedbrook, and Kamil Brádler Implementing quantum algorithms is essential for quantum computation. We study the imple … - Magnetically tunable Feshbach resonances in ultracold gases of europium atoms and mixtures of europium and alkali-metal atoms

Author(s): Klaudia Zaremba-Kopczyk, Piotr S. Żuchowski, and Michał TomzaWe investigate magnetically tunable Feshbach resonances between ultracold europium atoms and between europium and alkali-metal a … - Ion-trap analog of particle creation in cosmology

Author(s): Christian Fey, Tobias Schaetz, and Ralf SchützholdWe consider the transversal modes of ions in a linear radio-frequency trap where we control the time-dependent axial confinement to show th … - Implementing Majorana fermions in a cold-atom honeycomb lattice with textured pairings

Author(s): Ruizhi Pan and Charles W. ClarkRecent studies in the realization of Majorana fermion (MF) quasiparticles have focused on engineering topological superconductivity that derives from proximit … - Accessing finite-momentum excitations of the one-dimensional Bose-Hubbard model using superlattice-modulation spectroscopy

Author(s): Karla Loida, Jean-Sébastien Bernier, Roberta Citro, Edmond Orignac, and Corinna KollathWe investigate the response to superlattice modulation of a bosonic quantum gas confined to arrays of … - Reduced decoherence using squeezing, amplification, and antisqueezing

Author(s): R. A. Brewster, T. B. Pittman, and J. D. FransonLoss and decoherence are major problems in the transmission of nonclassical states of light over large distances. It was recently shown that … - Complex symmetric Hamiltonians and exceptional points of order four and five

Author(s): Miloslav ZnojilA systematic elementary linear-algebraic construction of non-Hermitian Hamiltonians $H=H(γ)$ possessing exceptional points $γ={γ}^{(\mathrm{EP})}$ of higher orders is propose … - Testing atomic wave functions in the nuclear vicinity: The hyperfine structure with empirically deduced nuclear and quantum electrodynamic effects

Author(s): J. S. M. Ginges and A. V. VolotkaCalculations of the magnetic hyperfine structure rely on the input of nuclear properties—nuclear magnetic moments and nuclear magnetization distributions—as … - Quantum-state-controlled reactions between molecular radicals and ions

Author(s): James Greenberg, Philipp C. Schmid, Mikhail Miller, John F. Stanton, and H. J. LewandowskiChemical reactions between ions and molecular radicals are important in both terrestrial and extrat … - Catalysis of Stark-tuned interactions between ultracold Rydberg atoms

Author(s): A. L. Win, W. D. Williams, T. J. Carroll, and C. I. SukenikWe have experimentally investigated a catalysis effect in the resonant energy transfer between ultracold $^{85}\mathrm{Rb}$ Rydber … - Population mixing due to dipole-dipole interactions in a one-dimensional array of multilevel atoms

Author(s): E. Munro, A. Asenjo-Garcia, Y. Lin, L. C. Kwek, C. A. Regal, and D. E. ChangWe examine theoretically how dipole-dipole interactions arising from multiple photon scattering lead to a modifie … - Interferometric and Uhlmann phases of mixed polarization states

Author(s): Alexei D. Kiselev and Vladimir V. KesaevIn our investigation into the effects of the degree of polarization in modulation of partially polarized light, we assume general settings of the int … - Synthesizing exceptional points with three resonators

Author(s): Re-Bing Wu, Yu Zheng, Qi-Ming Chen, and Yu-xi LiuIn non-Hermitian coupled-resonator networks, the eigenvectors of degenerate eigenmodes may become parallel due to the singularity at so-call … - Not-quite-free shortcuts to adiabaticity

Author(s): Esteban CalzettaGiven the increasing use of shortcuts to adiabaticity (STA) to optimize the power and efficiency of quantum heat engines, it becomes a relevant question if there are any the … - History states of systems and operators

Author(s): A. Boette and R. RossignoliWe discuss some fundamental properties of discrete system-time history states. Such states arise for a quantum reference clock of finite dimension and lead to a u … - Optimally band-limited spectroscopy of control noise using a qubit sensor

Author(s): Leigh M. Norris, Dennis Lucarelli, Virginia M. Frey, Sandeep Mavadia, Michael J. Biercuk, and Lorenza ViolaClassical control noise is ubiquitous in qubit devices, making its accurate spectr … - Impact of fiber loss on two-soliton states: Substantial changes in eigenvalue spectrum

Author(s): Alexander Hause, Christoph Mahnke, and Fedor MitschkeThe impact of power loss on fiber-optic solitons and soliton compounds has regained interest recently, as coding schemes employing inver … - Quantum uncertainty relation based on the mean deviation

Author(s): Gautam Sharma, Chiranjib Mukhopadhyay, Sk Sazim, and Arun Kumar PatiTraditional forms of quantum uncertainty relations are invariably based on the standard deviation. This can be understood … - Nonadiabatic holonomic quantum computation with Rydberg superatoms

Author(s): P. Z. Zhao, X. Wu, T. H. Xing, G. F. Xu, and D. M. TongNonadiabatic holonomic quantum computation has received increasing attention due to its robustness against control errors as well as h … - Gaussian one-way thermal quantum cryptography with finite-size effects

Author(s): Panagiotis Papanastasiou, Carlo Ottaviani, and Stefano PirandolaWe study the impact of finite-size effects on the security of thermal one-way quantum cryptography. Our approach considers co … - Multiparameter estimation via an ensemble of spinor atoms

Author(s): Min Zhuang, Jiahao Huang, and Chaohong LeeMultiparameter estimation, which aims to simultaneously determine multiple parameters in the same measurement procedure, attracts extensive interes … - Mass-polariton theory of sharing the total angular momentum of light between the field and matter

Author(s): Mikko Partanen and Jukka TulkkiLight propagating in a nondispersive medium is accompanied by a mass density wave (MDW) of atoms set in motion by the optical force of the field itself [Phys. ... - Comparing experiments on quantum traversal time with the predictions of a space-time-symmetric formalism

Author(s): Ricardo Ximenes, Fernando Parisio, and Eduardo O. DiasThe question of how long a particle takes to pass through a potential barrier is still a controversial topic in quantum mechanics. One ... - Quantum Zeno effect in correlated qubits

Author(s): Dominik Šafránek and Sebastian DeffnerNear-term quantum hardware promises to achieve quantum supremacy. From a quantum dynamical point of view, however, it is not unambiguously clear whethe ... - Quantum circuit learning

Author(s): K. Mitarai, M. Negoro, M. Kitagawa, and K. FujiiWe propose a classical-quantum hybrid algorithm for machine learning on near-term quantum processors, which we call quantum circuit learning. ... - Gaussian boson sampling for perfect matchings of arbitrary graphs

Author(s): Kamil Brádler, Pierre-Luc Dallaire-Demers, Patrick Rebentrost, Daiqin Su, and Christian WeedbrookA famously hard graph problem with a broad range of applications is computing the number of ... - Generation and stabilization of entangled coherent states for the vibrational modes of a trapped ion

Author(s): Zhi-Rong Zhong, Xin-Jie Huang, Zhen-Biao Yang, Li-Tuo Shen, and Shi-Biao ZhengWe propose a scheme for preparation of entangled coherent states for the motion of an ion in a two-dimensional ... - Entangled histories versus the two-state-vector formalism: Towards a better understanding of quantum temporal correlations

Author(s): Marcin Nowakowski, Eliahu Cohen, and Pawel HorodeckiThe two-state-vector formalism and the entangled histories formalism are attempts to better understand quantum correlations in time. Both ... - Strong quenches in the one-dimensional Fermi-Hubbard model

Author(s): Philip Bleicker and Götz S. UhrigThe one-dimensional Fermi-Hubbard model is used as test bed for strong global parameter quenches. With the aid of iterated equations of motion in combinatio ... - Understanding the electromagnetic 4-potential in the tetrad bundle

Author(s): Yufang Hao, Jiayin Shen, and Jianhong RuanSeparation of the spin and orbital angular momenta of the electromagnetic field has been discussed frequently in recent years. The spin and orbital ... - Hybrid exceptional point and its dynamical encircling in a two-state system

Author(s): Xu-Lin Zhang and C. T. ChanHybrid exceptional points (HEPs) are non-Hermitian degeneracies that exhibit different dispersion relations (e.g., linear or square-root) along different directio ... - Bending of light in a Coulomb gas

Author(s): Taekoon LeePhotons traveling in a background electromagnetic field may bend via the vacuum polarization effect with the background field. The bending in a Coulomb field by a heavy nucleus i ... - Measurement of the two-time intensity-correlation function of arbitrary states

Author(s): Katarina Stensson and Gunnar BjörkA detailed analysis and recipe for measuring intensity correlation are provided and experimentally verified. The scheme allows the characterization of quan ... - Ab initio study of time-dependent dynamics in strong-field triple ionization

Author(s): Jan H. Thiede, Bruno Eckhardt, Dmitry K. Efimov, Jakub S. Prauzner-Bechcicki, and Jakub ZakrzewskiAn ab initio analysis of strong-field three-electron ionization in a restricted-dimensional ... - Experimental measurement of a nonlinear entanglement witness by hyperentangling two-qubit states

Author(s): Vojtěch Trávníček, Karol Bartkiewicz, Antonín Černoch, and Karel LemrWe demonstrate that nonlinear entanglement witnesses can be made particularly useful for entanglement detection in hyper ... - Relativistic corrections to the Bethe logarithm for the $2\phantom{\rule{4pt}{0ex}}^{3}S$ and $2\phantom{\rule{4pt}{0ex}}^{3}P$ states of He

Author(s): Vladimir A. Yerokhin, Vojtěch Patkóš, and Krzysztof PachuckiProgress is made in calculating the QED contribution of the order α7m to the transition energy between the 23P and 23S states in ... - Collision-mediated radiation due to Airy-soliton interaction in a nonlinear Kerr medium

Author(s): Aritra Banerjee and Samudra RoyWe study the interaction of a copropagating finite-energy Airy pulse and a soliton in a Kerr medium under third-order dispersion. It is observed that a strong ... - Bulk and edge-state arcs in non-Hermitian coupled-resonator arrays

Author(s): Simon Malzard and Henning SchomerusWe describe the formation of bulk and edge arcs in the dispersion relation of two-dimensional coupled-resonator arrays that are topologically trivial in t ... - Observation of Bessel-beam self-trapping

Author(s): Mariano Flammini, Giuseppe Di Domenico, Davide Pierangeli, Fabrizio Di Mei, Aharon J. Agranat, and Eugenio DelReWe predict and observe Bessel-beam optical self-trapping in a strongly self-f ... - Quantum walks over a square lattice

Author(s): Arkaprabha Ghosal and Prasenjit DebQuantum random walk finds application in efficient quantum algorithms as well as in quantum network theory. Here we study the mixing time of a discrete qu ... - Local equivalence of complete bipartite and repeater graph states

Author(s): Ilan TzitrinClassifying locally equivalent graph states, and stabilizer states more broadly, is a significant problem in the theories of quantum information and multipartite entanglement. A ... - One-step construction of the multiple-qubit Rydberg controlled-phase gate

Author(s): S. L. Su, H. Z. Shen, Erjun Liang, and Shou ZhangAlthough the three-body Rydberg antiblockade regime (RABR) can produce Rabi oscillation between the Rydberg collective excited state and the ... - Lifetime of the metastable $^{2}P_{1/2}$ state of F-like ${\mathrm{Ar}}^{9+}$ isolated in a compact Penning trap

Author(s): Samuel M. Brewer, Joan M. Dreiling, Nicholas D. Guise, Shannon F. Hoogerheide, Aung S. Naing, and Joseph N. TanMultiply ionized atoms of a single charge state can be captured at low energy ... - Spin-averaged effective Hamiltonian of orders $m{α}^{6}$ and $m{α}^{6}(m/M)$ for hydrogen molecular ions

Author(s): Zhen-Xiang Zhong, Wan-Ping Zhou, and Xue-Song MeiThe spin-averaged effective Hamiltonian of orders $m{α}^{6}$ and $m{α}^{6}(m/M)$ for a one-electron two-center Coulombic system is derived b ... - Core-resonant ionization of helium by intense XUV pulses: Analytical and numerical studies on channel-resolved spectral features

Author(s): Chuan Yu and Lars Bojer MadsenChannel-resolved ionization of helium by laser pulses with a photon energy equal to the energy difference between the ionic ground- and first-excited states, i ... - Control of the helicity of high-order harmonics generated by bicircular laser fields

Author(s): D. B. MiloševićHigh-order harmonics generated by a bicircular laser field have helicities which alternate between $+1$ and $−1$. In order to generate circularly polarized high-harmonic puls ... - Multistage Zeeman deceleration of atomic and molecular oxygen

Author(s): Theo Cremers, Simon Chefdeville, Vikram Plomp, Niek Janssen, Edwin Sweers, and Sebastiaan Y. T. van de MeerakkerMultistage Zeeman deceleration is a technique used to reduce the velocity of ... - Charge density wave and charge pump of interacting fermions in circularly shaken hexagonal optical lattices

Author(s): Tao Qin, Alexander Schnell, Klaus Sengstock, Christof Weitenberg, André Eckardt, and Walter HofstetterWe analyze strong correlation effects and topological properties of interacting fermion ... - Modifications of filament spectra by shaped octave-spanning laser pulses

Author(s): A. Patas, M. Matthews, S. Hermelin, J. Gateau, J. Kasparian, J. P. Wolf, and A. LindingerIn this paper we examine the spectral changes in a white light laser filament due to different pulse ... - Collective phases of identical particles interfering on linear multiports

Author(s): V. S. Shchesnovich and M. E. O. BezerraWe introduce collective geometric phases of bosons and fermions interfering on a linear unitary multiport, where each phase depends on the internal st ... - Objectivity (or lack thereof): Comparison between predictions of quantum Darwinism and spectrum broadcast structure

Author(s): Thao P. Le and Alexandra Olaya-CastroQuantum Darwinism and spectrum broadcast structure describe the emergence of objectivity in quantum systems. However, it is unclear whether these two fr ... - Normal form for single-qutrit Clifford+$T$ operators and synthesis of single-qutrit gates

Author(s): Shiroman Prakash, Akalank Jain, Bhakti Kapur, and Shubangi SethWe study single-qutrit gates composed of Clifford and $T$ gates, using the qutrit version of the $T$ gate proposed by Howard a ... - Atomic-orbital-dependent photoelectron momentum distributions for ${\mathrm{F}}^{−}$ ions by orthogonal two-color laser fields

Author(s): Jian-Hong Chen, Meng Han, Xiang-Ru Xiao, Liang-You Peng, and Yunquan LiuWe theoretically investigate the two-dimensional photoelectron momentum distributions (PMDs) of ${\mathrm{F}}^{−}$ io ... - Quantum optics in Maxwell's fish eye lens with single atoms and photons

Author(s): J. Perczel, P. Kómár, and M. D. LukinThe imaging properties of a lens that may perfectly focus electromagnetic waves is investigated at the quantum level. The lens is shown to be diffractio ... - Editorial: Physical Review A: An evolving and leading-edge journal with a rich history

Author(s): Thomas Pattard and Gordon Drake[Phys. Rev. A 98, 030001] Published Tue Sep 04, 2018 - Coherence orders, decoherence, and quantum metrology

Author(s): Diego P. Pires, Isabela A. Silva, Eduardo R. deAzevedo, Diogo O. Soares-Pinto, and Jefferson G. FilgueirasSince the dawn of quantum theory, coherence has been attributed as a key to underst … - Method for the construction of the Lewis-Riesenfeld time-dependent invariants and their eigenvalue equations

Author(s): M. A. de Ponte, P. M. Cônsoli, and M. H. Y. MoussaWe propose here a method for the construction of the Lewis and Riesenfeld time-dependent invariants. Instead of directly invoking the equat … - Experimental classification of entanglement in arbitrary three-qubit pure states on an NMR quantum information processor

Author(s): Amandeep Singh, Harpreet Singh, Kavita Dorai, and ArvindWe undertake experimental detection of the entanglement present in arbitrary three-qubit pure quantum states on an NMR quantum inform … - Imbalance entanglement: Symmetry decomposition of negativity

Author(s): Eyal Cornfeld, Moshe Goldstein, and Eran SelaIn the presence of symmetry, entanglement measures of quantum many-body states can be decomposed into contributions from distinct symmetry secto … - Efficient measurement-device-independent quantum key distribution without vacuum sources

Author(s): Xiao-Long Hu, Zong-Wen Yu, and Xiang-Bin WangWe present an efficient decoy-state protocol measurement-device-independent quantum key distribution without vacuum source, with the heralded si … - Electron-impact dissociative excitation cross sections for singlet states of molecular hydrogen

Author(s): Jonathan K. Tapley, Liam H. Scarlett, Jeremy S. Savage, Dmitry V. Fursa, Mark C. Zammit, and Igor BrayWe report cross sections for electron-impact dissociative excitation of the $B{\phantom … - Weak-field asymptotic theory of tunneling ionization from nearly degenerate states

Author(s): Pavel K. Samygin, Toru Morishita, and Oleg I. TolstikhinThe weak-field asymptotic theory (WFAT) of tunneling ionization in a static electric field is limited by the assumption that tunnelin … - Stimulated-Raman-scattering-assisted superfluorescence enhancement from ionized nitrogen molecules in 800-nm femtosecond laser fields

Author(s): Zhiming Miao, Xunqi Zhong, Linlin Zhang, Wei Zheng, Yunan Gao, Yunquan Liu, Hongbing Jiang, Qihuang Gong, and Chengyin WuWe have observed collective spontaneous emission (superfluorescence) … - Unbound-to-bound transition of two-atom polaritons in an optical cavity

Author(s): Qing Sun, Jie Hu, Lin Wen, Han Pu, and An-Chun JiWe consider two spin-1/2 fermions inside an optical cavity which supports a single-mode quantized light field. We demonstrate that the atom- … - High-contrast transparency comb of the electromagnetically-induced-transparency memory

Author(s): Sheng-Jun Yang, Jun Rui, Han-Ning Dai, Xian-Min Jin, Shuai Chen, and Jian-Wei PanQuantum interface of coherent optical field and atomic excitations plays an important role in quantum metrol … - Reference-frame-independent Einstein-Podolsky-Rosen steering

Author(s): Sabine Wollmann, Michael J. W. Hall, Raj B. Patel, Howard M. Wiseman, and Geoff J. PrydeProtocols for testing or exploiting quantum correlations—such as entanglement, Bell nonlocality, and … - Experimentally feasible generation protocol for polarized hybrid entanglement

Author(s): Shujing Li, Hongmei Yan, Yaya He, and Hai WangWe propose a scheme to generate polarized hybrid entanglement in the form of $|H〉|α〉+|V〉|−α〉$ by interference between a superposition of cohere … - Gaussian quantum resource theories

Author(s): Ludovico Lami, Bartosz Regula, Xin Wang, Rosanna Nichols, Andreas Winter, and Gerardo AdessoA general framework is developed to assess capabilities and limitations of the Gaussian toolbox i … - One- and three-photon dynamical Casimir effects using a nonstationary cyclic qutrit

Author(s): H. Dessano and A. V. DodonovWe consider a nonstationary circuit quantum electrodynamics setup in which a three-level artificial atom in the $\mathrm{Δ}$ configuration interacts with a singl …