- Topological error correction with a Gaussian cluster state

Author(s): Shuhong Hao, Meihong Wang, Dong Wang, and Xiaolong SuTopological error correction provides an effective method to correct errors in quantum computation. It allows quantum computation to be … - Resource estimate for quantum many-body ground-state preparation on a quantum computer

Author(s): Jessica Lemieux, Guillaume Duclos-Cianci, David Sénéchal, and David PoulinWe estimate the resources required to prepare the ground state of a quantum many-body system on a quantum computer … - Fast and robust quantum state transfer via a topological chain

Author(s): N. E. Palaiodimopoulos, I. Brouzos, F. K. Diakonos, and G. TheocharisWe propose a fast and robust quantum state transfer protocol employing a Su-Schrieffer-Heeger chain, where the interchai … - Optimal single-shot discrimination of optical modes

Author(s): Ignatius William Primaatmaja, Asaph Ho, and Valerio ScaraniRetrieving classical information encoded in optical modes is at the heart of many quantum information processing tasks, especially … - High ellipticity of harmonics from molecules in strong laser fields of small ellipticity

Author(s): F. J. Sun, C. Chen, W. Y. Li, X. Liu, W. Li, and Y. J. ChenWe study high-order harmonic generation (HHG) from aligned molecules in strong elliptically polarized laser fields numerically and … - Improving efficiency of sympathetic cooling in atom-ion and atom-atom confined collisions

Author(s): Vladimir S. MelezhikWe propose a way for sympathetic cooling of ions in an electromagnetic Paul trap: it implies the use for this purpose of cold buffer atoms in the region of atom-ion conf … - Dynamic structure factors of a strongly interacting Fermi superfluid near an orbital Feshbach resonance across the phase transition from BCS to Sarma superfluid

Author(s): Peng Zou, Huaisong Zhao, Lianyi He, Xia-Ji Liu, and Hui HuWe theoretically investigate dynamic structure factors of a strongly interacting Fermi superfluid near an orbital Feshbach resonanc … - Two-body problem in a multiband lattice and the role of quantum geometry

Author(s): M. IskinWe consider the two-body problem in a periodic potential, and study the bound-state dispersion of a spin-$↑$ fermion that is interacting with a spin-$↓$ fermion through a short-rang … - Cavity electro-optic circuit for microwave-to-optical conversion in the quantum ground state

Author(s): Wei Fu, Mingrui Xu, Xianwen Liu, Chang-Ling Zou, Changchun Zhong, Xu Han, Mohan Shen, Yuntao Xu, Risheng Cheng, Sihao Wang, Liang Jiang, and Hong X. TangIn the development of microwave-to-o … - Standing-wave solutions in twisted multicore fibers

Author(s): Ross Parker and Alejandro AcevesIn the present work, we consider the existence and spectral stability of standing-wave solutions to a model for light propagation in a twisted multicore fibe … - Fermionic and bosonic quantum field theories from quantum cellular automata in three spatial dimensions

Author(s): Leonard Mlodinow and Todd A. BrunThe authors present the construction of cellular automaton models corresponding to free quantum field theories for both fermions and bosons, and demonstrate … - Higher-order interference between multiple quantum particles interacting nonlinearly

Author(s): Lee A. Rozema, Zhao Zhuo, Tomasz Paterek, and Borivoje DakićThe double-slit experiment is the most direct demonstration of interference between individual quantum objects. Since similar exp … - Effect of the Stark shift on the low-energy interference structure in strong-field ionization

Author(s): Weifeng Yang, Jie Li, Wenbin Jia, Hongdan Zhang, Xiwang Liu, Ming Zhu, Xiaohong Song, and Jing ChenAn improved quantum trajectory Monte Carlo method including the Stark shift of the initial … - Model-potential method for high-order harmonic generation in monolayer graphene

Author(s): Xin-Qiang Wang and Xue-Bin BianWe develop a model potential to simulate the effective potential of a single active electron in monolayer graphene by taking the electron energy band structur … - Radiation signal accompanying the Schwinger effect

Author(s): I. A. Aleksandrov, A. D. Panferov, and S. A. SmolyanskyThe properties of the forced oscillations of virtual electron-positron plasma generated in vacuum under the action of a short laser pu … - Radial Fulde-Ferrell-Larkin-Ovchinnikov-like state in a population-imbalanced Fermi gas

Author(s): Daisuke Inotani, Shigehiro Yasui, Takeshi Mizushima, and Muneto NittaThe possibility of a Fulde-Ferrell-Larkin-Ovchinnikov-like (FFLO-like) state in a population-imbalanced Fermi gas with a … - Simplified approach to the repulsive Bose gas from low to high densities and its numerical accuracy

Author(s): Eric A. Carlen, Markus Holzmann, Ian Jauslin, and Elliott H. LiebIn 1963, a simplified approach was developed to study the ground-state energy of an interacting Bose gas with a purely repul … - Breaking reciprocity in a non-Hermitian photonic coupler with saturable absorption

Author(s): Dimitrios Chatzidimitriou, Alexandros Pitilakis, Traianos Yioultsis, and Emmanouil E. KriezisWe study the breaking of reciprocity in non-Hermitian coupled photonic waveguides by the simulta … - Gauge principle and gauge invariance in two-level systems

Author(s): Salvatore Savasta, Omar Di Stefano, Alessio Settineri, David Zueco, Stephen Hughes, and Franco NoriThe quantum Rabi model is a widespread description of the coupling between a two-level sys … - Ultimate limits of thermal pattern recognition

Author(s): Cillian Harney, Leonardo Banchi, and Stefano PirandolaQuantum channel discrimination presents a fundamental task in quantum information theory, with critical applications in quantum reading … - Natural and magnetically induced entanglement of hyperfine-structure states in atomic hydrogen

Author(s): Yusef Maleki, Sergei Sheludiakov, Vladimir V. Khmelenko, Marlan O. Scully, David M. Lee, and Aleksei M. ZheltikovThe spectrum of atomic hydrogen has long been viewed as a Rosetta stone that … - Multichannel effects in the Efimov regime from broad to narrow Feshbach resonances

Author(s): T. Secker, D. J. M. Ahmed-Braun, P. M. A. Mestrom, and S. J. J. M. F. KokkelmansWe study Efimov physics of three identical bosons with pairwise multichannel interactions for Feshbach resona … - Superfluid vortex dynamics on a spherical film

Author(s): Sálvio J. Bereta, Mônica A. Caracanhas, and Alexander L. FetterMotivated by ongoing experimental efforts to make closed Bose-Einstein condensate shells in microgravity environments, this wo … - Hugenholtz-Pines theorem for multicomponent Bose-Einstein condensates

Author(s): Shohei WatabeThe Hugenholtz-Pines (HP) theorem is derived for Bose-Einstein condensates (BECs) with internal degrees of freedom. The low-energy Ward-Takahashi identity is provided in the sy … - Photon-photon correlations from a pair of strongly coupled two-level emitters

Author(s): Elnaz Darsheshdar, Mathilde Hugbart, Romain Bachelard, and Celso Jorge Villas-BoasWe investigate two-color photon correlations in the light emitted by two strongly driven, strongly interact … - Quantum state transfer between two photons with polarization and orbital angular momentum via quantum teleportation technology

Author(s): Shihao Ru, Min An, Yu Yang, Rui Qu, Feiran Wang, Yunlong Wang, Pei Zhang, and Fuli LiQuantum teleportation is a useful quantum information technology to transmit quantum states between diff … - Characterizing quantum networks: Insights from coherence theory

Author(s): Tristan Kraft, Cornelia Spee, Xiao-Dong Yu, and Otfried GühneNetworks based on entangled quantum systems enable interesting applications in quantum information processing and the understand … - Improving phase estimation using number-conserving operations

Author(s): Huan Zhang, Wei Ye, Chaoping Wei, Cunjin Liu, Zeyang Liao, and Liyun HuWe propose a theoretical scheme to improve the resolution and precision of phase measurement with parity detection by … - Calculation of spin-polarized positronium-helium $(2 ^{3}S)$ and electron-helium $(2 ^{3}S)$ scattering

Author(s): Yi Zhang, Meng-Shan Wu, Ying Qian, Kalman Varga, and Jun-Yi ZhangLow-energy properties of spin-polarized electron-helium $(2\phantom{\rule{0.16em}{0ex}}^{3}S)$ and spin-polarized positroniu … - Tracking the nuclear movement of the carbonyl sulfide cation after strong-field ionization by time-resolved Coulomb-explosion imaging

Author(s): Xinning Zhao, Ting Xu, Xitao Yu, Dianxiang Ren, Xinyu Zhang, Xiaokai Li, Pan Ma, Chuncheng Wang, Dongdong Zhang, Qinxin Wang, Xiaoqing Hu, Sizuo Luo, Yong Wu, Jianguo Wang, and Dajun DingWe … - Quantum-state reconstruction of unidirectional molecular rotations

Author(s): Kazuki Ueno, Kenta Mizuse, and Yasuhiro OhshimaThe authors develop and implement experimentally a procedure for quantum-state reconstruction of the complete rotational wave function of a si … - Protocol for autonomous rearrangement of cold atoms into low-entropy configurations

Author(s): Matthew A. NorciaThe preparation of low-entropy starting conditions is a key requirement for many experiments involving neutral atoms. Here we propose a method to autonomously assemble arbi … - Generating and detecting topological phases with higher Chern number

Author(s): Abhijeet Alase and David L. FederTopological phases with broken time-reversal symmetry and Chern number $|\mathcal{C}|≥2$ are of fundamental interest, but it remains unclear how to engineer … - Geometric constraints on two-electron reduced density matrices

Author(s): Yimin LiFor many-electron systems, the second-order reduced density matrix (2-RDM) provides sufficient information for characterizing their properties of interests in physics and chemistry. … - Fast and dephasing-tolerant preparation of steady Knill-Laflamme-Milburn states via dissipative Rydberg pumping

Author(s): Ri-Hua Zheng, Yang Xiao, S.-L. Su, Ye-Hong Chen, Zhi-Cheng Shi, Jie Song, Yan Xia, and Shi-Biao ZhengWe propose a fast and dephasing-tolerant scheme for the preparation of steady Knill-Lafl … - Characterizing quantum simulations with quantum tomography on a spin quantum simulator

Author(s): Dafa Zhao, Chao Wei, Shunzhong Xue, Yulei Huang, Xinfang Nie, Jun Li, Dong Ruan, Dawei Lu, Tao Xin, and Guilu LongDevelopments of quantum techniques have drastically improved the control ab … - Control power of a high-dimensional controlled nonlocal quantum computation

Author(s): Neng-Fei Gong, Tie-Jun Wang, and Shohini GhoseWe propose a scheme for a high-dimensional nonlocal controlled quantum computation network. A client with limited quantum technology can contro … - Stabilizing the ion-beam transmission through tapered glass capillaries

Author(s): E. Giglio and M. LégerWhen an ion beam is injected into a tapered insulating capillary, the induced self-organized radial Coulomb potential in the capillary is able to focus the beam like a … - Benchmarking many-body approaches for the determination of isotope-shift constants: Application to the $\mathrm{Li}, {\mathrm{Be}}^{+}$, and ${\mathrm{Ar}}^{15+}$ isoelectronic systems

Author(s): B. K. Sahoo and B. OhayonWe have applied relativistic coupled-cluster (RCC) theory to determine the isotope-shift (IS) constants of the first eight low-lying states of the Li, ${\mathrm{Be} … - Strong-field ionization of heteronuclear diatomic molecules using an orthogonally polarized two-color laser field

Author(s): D. Habibović, A. Gazibegović-Busuladžić, M. Busuladžić, and D. B. MiloševićWe apply the improved molecular strong-field approximation to investigate high-order above-threshold ionization (H … - Anticorrelation in nonsequential double ionization of helium

Author(s): Zhangjin Chen, Anran Zhou, Toru Morishita, Yuxing Bai, Xiaolei Hao, Oleg Zatsarinny, and Klaus BartschatWe calculate the correlated two-electron momentum distributions for nonsequential dou … - $p$-band stability of an ultracold-atom gas in an anharmonic optical-lattice potential with large energy scales

Author(s): Mateusz ŁaçkiUsing an optical potential with subwavelength resolution in the form of sharp $δ$-like peaks, potential landscapes are created with increased anharmonicity in placement of latt … - Breathing mode in two-dimensional binary self-bound Bose-gas droplets

Author(s): P. Stürmer, M. Nilsson Tengstrand, R. Sachdeva, and S. M. ReimannIn this work, we study the stationary structures and the breathing mode behavior of a two-dimensional self-bound binary Bose … - Two-color optical nonlinearity in an ultracold Rydberg atom gas mixture

Author(s): Cheng Chen, Fan Yang, Xiaoling Wu, Chuyang Shen, Meng Khoon Tey, and Li YouWe report the experimental observation of strong two-color optical nonlinearity in an ultracold gas of $^{85}\math … - Statistical properties of partially coherent polarization singular vector beams

Author(s): Stuti Joshi, Saba N. Khan, P. Senthilkumaran, and Bhaskar KanseriWe investigate the statistical properties of partially coherent polarization singular beams embedded with a V-point polariza … - Single-photon nonreciprocal excitation transfer with non-Markovian retarded effects

Author(s): Lei Du, Mao-Rui Cai, Jin-Hui Wu, Zhihai Wang, and Yong LiWe study at the single-photon level the nonreciprocal excitation transfer between emitters coupled with a common waveguide. Non-Mark … - Dissipative state transfer and Maxwell's demon in single quantum trajectories: Excitation transfer between two noninteracting qubits via unbalanced dissipation rates

Author(s): Fabrizio Minganti, Vincenzo Macrì, Alessio Settineri, Salvatore Savasta, and Franco NoriWe introduce a protocol to transfer excitations between two noninteracting qubits via purely dissipat … - Restrictions on shareability of classical correlations for random multipartite quantum states

Author(s): Saptarshi Roy, Shiladitya Mal, and Aditi Sen(De)Unlike quantum correlations, the shareability of classical correlations (CCs) between two parties of a multipartite state is assumed to be fr … - Nonreciprocal phonon laser in a spinning microwave magnomechanical system

Author(s): Yi Xu, Jin-Yu Liu, Wenjing Liu, and Yun-Feng XiaoThe authors propose a nonreciprocal phonon laser in a spinning microwave magnomechanical system, consisting of a spinning microwave resonato … - Uniformly accelerated quantum counting detector in Minkowski and Fulling vacuum states

Author(s): M. S. Soares, N. F. Svaiter, C. A. D. Zarro, and G. MenezesIn this work we revisit the discussion on the process of measurements by a detector in a uniformly accelerated rectilinear motion, … - Nonclassicality of bright Greenberger-Horne-Zeilinger–like radiation of an optical parametric source

Author(s): Konrad Schlichtholz, Bianka Woloncewicz, and Marek ŻukowskiThe authors study the generation of nonclassical light using an optical parametric source by developing a detailed higher-order th … - Experimental realization of Hamiltonian tomography by quantum quenches

Author(s): Xi Chen, Yuchen Li, Ze Wu, Ran Liu, Zhaokai Li, and Hui ZhouThe parameter estimation of the Hamiltonian of an unknown quantum system is essential in quantum information processing. However, … - Cesium Rydberg-state ionization study by three-dimensional ion-electron correlation: Toward a monochromatic electron source

Author(s): R. Hahn, A. Trimeche, C. Lopez, D. Comparat, and Y. J. PicardWe study the excitation and ionization of cesium Rydberg states in an electric field ($≈\phantom{\rule{0.16em}{0ex}}2200\phantom … - Extracting nonlocal interpolaron interactions from collisional dynamics

Author(s): Junichi Takahashi, Hiroyuki Tajima, Eiji Nakano, and Kei IidaThis study develops an experimental method of deducing the profile of interaction induced between impurities in a trapped gas of … - Quantum lock-in detection of a vector light shift

Author(s): Kosuke Shibata, Naota Sekiguchi, and Takuya HiranoWe demonstrate detection of a vector light shift (VLS) using the quantum lock-in method. The method offers precise VLS measurement with lit … - Collective excitations of superfluid Fermi gases near the transition temperature

Author(s): S. N. Klimin, J. Tempere, and H. KurkjianStudying the collective pairing phenomena in a two-component Fermi gas, we predict the appearance near the transition temperature ${T}_{c}$ of a wel … - Photon-induced atom recoil in collectively interacting planar arrays

Author(s): Deepak A. Suresh and F. RobicheauxThe recoil of atoms in arrays due to the emission or absorption of photons is studied for subwavelength interatomic spacing. The atoms in the array interac … - Pulsed field transmission by atomic frequency combs and random spike media: The prominent role of dispersion

Author(s): P. R. Berman and J.-L. Le GouëtA theory of pulse transmission is presented in which the medium through which the pulse propagates is characterized by an inhomogeneous distribution that is e … - Strong photon blockade in an all-fiber emitter-cavity quantum electrodynamics system

Author(s): Zigeng Li, Xiaomiao Li, and Xiaolan ZhongWe present an all-fiber emitter-cavity quantum electrodynamics (QED) scheme which makes it possible to realize the strong photon blockade phenomenon … - Quantum jamming: Critical properties of a quantum mechanical perceptron

Author(s): Claudia Artiaco, Federico Balducci, Giorgio Parisi, and Antonello ScardicchioIn this Letter, we analyze the quantum dynamics of the perceptron model: a particle is constrained on an $N$-dim … - Average quantum coherence of pure-state decomposition

Author(s): Ming-Jing Zhao, Teng Ma, and Rajesh PereiraWe study the average quantum coherence over the pure state decompositions of a mixed quantum state. An upper bound of the average quantum coherenc … - Recycling qubits in near-term quantum computers

Author(s): Galit Anikeeva, Isaac H. Kim, and Patrick HaydenThe authors propose a protocol that can unitarily reset or recycle qubits when the circuit has a common convolutional form. This protocol cou … - Idler-free channel position finding

Author(s): Jason L. Pereira, Leonardo Banchi, Quntao Zhuang, and Stefano PirandolaEntanglement is a powerful tool for quantum sensing, and entangled states can greatly boost the discriminative power o … - Generalizable control for multiparameter quantum metrology

Author(s): Han Xu, Lingna Wang, Haidong Yuan, and Xin WangQuantum control can be employed in quantum metrology to improve the precision limit for the estimation of unknown parameters. The optimal cont … - Anomalous light-induced broadening of the spin-noise resonance in cesium vapor

Author(s): A. A. Fomin, M. Yu. Petrov, G. G. Kozlov, A. K. Vershovskii, M. M. Glazov, and V. S. ZapasskiiWe uncover a highly nontrivial dependence of the spin-noise (SN) resonance broadening induced b … - Observation of the quantum shift of a backward rescattering caustic by carrier-envelope phase mapping

Author(s): Tomoya Mizuno, Nobuhisa Ishii, Teruto Kanai, Philipp Rosenberger, Dominik Zietlow, Matthias F. Kling, Oleg I. Tolstikhin, Toru Morishita, and Jiro ItataniWe study carrier-envelope phase (CE … - Angle-resolved Rabi flopping in strong-field dissociation of molecules

Author(s): Chen-Xi Hu, Wei-Zhe Li, Wen-Bin Zhang, Xiao-Chun Gong, Jian Wu, and Feng HeRabi flopping is a paradigm of two-level quantum systems in the presence of an oscillatory driving field. Differen … - Ground states of two-dimensional tilted dipolar bosons with density-induced hopping

Author(s): Chao Zhang, Jin Zhang, Jin Yang, and Barbara Capogrosso-SansoneMotivated by recent experiments with ultracold magnetic atoms trapped in optical lattices where the orientation of atomic dipo … - Continuous-variable multipartite vibrational entanglement

Author(s): Mehdi AbdiA compact scheme for the preparation of macroscopic multipartite entanglement is proposed and analyzed. In this scheme, the vibrational modes of a mechanical resonator constitute … - Thermophonon flux in double-cavity optomechanics

Author(s): Yu Wu, Wenjie Nie, Guoyao Li, Aixi Chen, and Yueheng LanWe propose theoretically an optomechanical system with double cavities to explore the thermophonon transport from the thermal bath of … - Controlling the degree of rotational directionality in laser-induced molecular dynamics

Author(s): Alexander A. Milner and Valery MilnerThe authors demonstrate experimentally a method of varying the degree of directionality continuously in a laser-induced molecular rotation by changing t … - Quantum-walk-based state-transfer algorithms on the complete $M$-partite graph

Author(s): S. Skoupý and M. ŠtefaňákWe investigate coined quantum-walk search and state-transfer algorithms, focusing on the complete $M$-partite graph with $N$ vertices in each partition. First, it i … - Time-traveling billiard-ball clocks: A quantum model

Author(s): Lachlan G. Bishop, Fabio Costa, and Timothy C. RalphClosed timelike curves, along which an object can travel to its past, are interesting because they are predicted by general relativity an … - Continuous-variable Clauser-Horne Bell-type inequality: A tool to unearth the nonlocality of continuous-variable quantum-optical systems

Author(s): Chandan Kumar, Gaurav Saxena, and ArvindWe consider a continuous-variable Clauser-Horne Bell-type inequality to study nonlocality in four-mode continuous-variable systems, which goes beyond … - Fast high-fidelity multiqubit state transfer with long-range interactions

Author(s): Yifan Hong and Andrew LucasWe describe an efficient protocol to perform quantum state transfer using Hamiltonian dynamics with long-range interactions. The time to transfer $n$ qubits a suf … - Coherence of operations and interferometry

Author(s): Michele Masini, Thomas Theurer, and Martin B. PlenioThe authors apply dynamical resource theories to interferometers and introduce families of resource measures which allow them to give ope … - Robust in practice: Adversarial attacks on quantum machine learning

Author(s): Haoran Liao, Ian Convy, William J. Huggins, and K. Birgitta WhaleyState-of-the-art classical neural networks are observed to be vulnerable to small crafted adversarial perturbations. A more … - Fundamental entropic processes in the theory of optical thermodynamics

Author(s): Nikolaos K. Efremidis and Demetrios N. ChristodoulidesWe study the statistical behavior of multimoded optical systems under equilibrium conditions. We investigate the role of variations of … - Early-time behavior of quantum subharmonic generation

Author(s): Yunjin Choi, Boerge Hemmerling, Shan-Wen Tsai, and Allen P. Mills, Jr.A few years ago Avetissian et al. [Phys. Rev. Lett. 113, 023904 (2014); Phys. Rev. A 92, 023820 (2015)] discovered that … - Quantum estimation in strong fields: In situ ponderomotive sensing

Author(s): A. S. Maxwell, A. Serafini, S. Bose, and C. Figueira de Morisson FariaWe develop a theoretical framework to optimize and understand uncertainty from in situ strong-field measurements of las … - Observation of spin-exchange dynamics between itinerant and localized $^{171}\mathrm{Yb}$ atoms

Author(s): Koki Ono, Yoshiki Amano, Toshiya Higomoto, Yugo Saito, and Yoshiro TakahashiWe report on the observation of the spin-exchange dynamics of $^{171}\mathrm{Yb}$ atoms in the ground state ${}^{ … - Local probability conservation in discrete-time quantum walks

Author(s): Samuel T. Mister, Benjamin J. Arayathel, and Anthony J. ShortWe show that probability is locally conserved in discrete-time quantum walks, corresponding to a particle evolving in discrete s … - Topological Uhlmann phase transitions for a spin-$j$ particle in a magnetic field

Author(s): D. Morachis Galindo, F. Rojas, and Jesús A. MaytorenaThe generalization of the geometric phase to the realm of mixed states is known as the Uhlmann phase. Recently, applications of this con … - MaxCut quantum approximate optimization algorithm performance guarantees for $p>1$

Author(s): Jonathan Wurtz and Peter LoveWe obtain worst-case performance guarantees for $p=2$ and 3 QAOA for MaxCut on uniform 3-regular graphs. Previous work by Farhi et al. obtained a lower bound on … - Super-Coster-Kronig decay of Kr $3p$ core-hole states studied by multielectron coincidence spectroscopy

Author(s): Y. Hikosaka, P. Lablanquie, T. Kaneyasu, J. Adachi, H. Tanaka, I. H. Suzuki, M. Ishikawa, and T. OdagiriSuper Coster-Kronig (SCK) decay following Kr $3p$ photoionization has been investigat … - Strong-field ionization of water: Nuclear dynamics revealed by varying the pulse duration

Author(s): A. J. Howard, C. Cheng, R. Forbes, G. A. McCracken, W. H. Mills, V. Makhija, M. Spanner, T. Weinacht, and P. H. BucksbaumThe authors report on measurements of the three-dimensional momentum … - Finite-size scaling analysis of localization transitions in the disordered two-dimensional Bose-Hubbard model within the fluctuation operator expansion method

Author(s): Andreas GeißlerThe disordered Bose-Hubbard model in two dimensions at noninteger filling admits a superfluid to Bose-glass transition at weak disorder. Less understood are the properties of … - Relaxation to equilibrium in controlled-not quantum networks

Author(s): J. Novotný, A. Mariano, S. Pascazio, A. Scardicchio, and I. JexThe approach to equilibrium of quantum mechanical systems is a topic as old as quantum mechanics itself, but has recently seen … - Floquet engineering of continuous-time quantum walks: Toward the simulation of complex and next-nearest-neighbor couplings

Author(s): Leonardo Novo and Sofia RibeiroThe formalism of continuous-time quantum walks on graphs has been widely used in the study of quantum transport of energy and information, as well as in the d … - Quantum-enhanced algorithms for classical target detection in complex environments

Author(s): Peter B. WeichmanQuantum computational approaches to some classic target identification and localization algorithms, especially for radar images, are investigated, and are found to raise a … - Distortion of Rabi oscillations in a compact cold-atom clock

Author(s): Xinchuan Ouyang, Bowen Yang, Qingqing Hu, Hanghang Qi, Ling Xiao, Jinyin Wan, and Huadong ChengWe report on experimental measurements and theoretical calculations of Rabi oscillation distor … - Spectral singularities with directional sensitivity

Author(s): Hamidreza RamezaniWe propose a class of spectral singularities that are sensitive to the direction of excitation and arise in nonlinear systems with broken parity symmetry. These spectral s … - Quantum Borrmann effect for dissipation-immune photon-photon correlations

Author(s): Alexander V. Poshakinskiy and Alexander N. PoddubnyWe study theoretically the second-order correlation function ${g}^{(2)}(t)$ for photons transmitted through a periodic Bragg-spaced array … - Microwave multiphoton conversion via coherently driven permanent dipole systems

Author(s): Alexandra Mîrzac, Sergiu Carlig, and Mihai A. MacoveiWe investigate the multiphoton quantum dynamics of a leaking single-mode quantized cavity field coupled with a resonantly driven two-lev … - Engineering multipartite coupling in doubly pumped parametric down-conversion processes

Author(s): Alessandra Gatti, Enrico Brambilla, and Ottavia JedrkiewiczWe investigate the quantum state generated by optical parametric down-conversion in a ${χ}^{(2)}$ medium driven by two noncollinea … - Quantum limits for stationary force sensing

Author(s): Farid Ya. Khalili and Emil ZeuthenState-of-the-art linear sensors of force, motion, and magnetic fields have reached the sensitivity where the quantum noise of the meter is significant or e … - Single-particle steering and nonlocality: The consecutive Stern-Gerlach experiments

Author(s): E. Benítez Rodríguez, E. Piceno Martínez, and L. M. Arévalo AguilarQuantum nonlocality and quantum steering are fundamental correlations of quantum systems which cannot be created using cla … - Min-entropy as a resource for one-shot private state transfer, quantum masking, and state transition

Author(s): Seok Hyung Lie, Seongjeon Choi, and Hyunseok JeongWe give an operational meaning to the min-entropy of a quantum state as a resource measure for various interconnected tasks. In particular, … - Quantum-classical algorithms for skewed linear systems with an optimized Hadamard test

Author(s): Bujiao Wu, Maharshi Ray, Liming Zhao, Xiaoming Sun, and Patrick RebentrostThe authors propose two hybrid quantum-classical algorithms for finding approximate solutions to heavily skewed sys … - Coherence as uncertainty

Author(s): Yuan Sun and Shunlong LuoCoherence of a quantum state (with respect to a fixed incoherent basis) is usually quantified by distancelike quantities, among which a particularly convenient and …