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Physical Review A
Robust self-testing of unknown quantum systems into any entangled two-qubit states Author(s): Tzyh Haur Yang and Miguel NavascuésSelf-testing is a device-independent approach to estimate the state and measurement operators without the need to assume the dimension of our quantum syst …Lattice-supersolid phase of strongly correlated bosons in an optical cavity Author(s): Yongqiang Li, Liang He, and Walter HofstetterWe numerically simulate strongly correlated ultracold bosons coupled to a high-finesse cavity field, pumped by a laser beam in the transverse di …Robust weak-measurement protocol for Bohmian velocities Author(s): F. L. Traversa, G. Albareda, M. Di Ventra, and X. OriolsWe present a protocol for measuring Bohmian, or the mathematically equivalent hydrodynamic, velocities based on an ensemble of two po …Degree of complementarity determines the nonlocality in quantum mechanics Author(s): Manik Banik, Md. Rajjak Gazi, Sibasish Ghosh, and Guruprasad KarBohr's complementarity principle is one of the central concepts in quantum mechanics which restricts joint measurement f …Maximum quantum violations of a class of Bell inequalities Author(s): V. Uğur Güney and Mark HilleryWe study a class of Bell inequalities and find their maximum quantum violation. These inequalities involve n parties, two measurements per party, with each mea …Reexamination of measurement-induced chaos in entanglement-purification protocols Author(s): Yilun Guan, Duy Quang Nguyen, Jingwei Xu, and Jiangbin GongEntanglement-purification protocols, developed for the sake of high-fidelity communication through noisy quantum channels, are hig …Designing short robust not gates for quantum computation Author(s): Jonathan A. JonesComposite pulses, originally developed in nuclear magnetic resonance (NMR), have found widespread use in experimental quantum information processing (QIP) to reduce the eff …Ultracold collisions in the presence of synthetic spin-orbit coupling Author(s): Hao Duan, Li You, and Bo GaoWe present an analytical description for ultracold collisions between two spin-1/2 fermions with isotropic spin-orbit coupling (SOC) of the Rashba type. We show …Prospects of forming ultracold molecules in ^{2}Σ states by magnetoassociation of alkali-metal atoms with Yb Author(s): Daniel A. Brue and Jeremy M. HutsonWe explore the feasibility of producing ultracold diatomic molecules with nonzero electric and magnetic dipole moments by magnetically associating two ato …Double-differential cross sections for ionization of H_{2}O by fast bare O ions: Comparison with continuum-distorted-wave eikonal-initial-state calculations in prior and post forms Author(s): S. Nandi, S. Biswas, A. Khan, J. M. Monti, C. A. Tachino, R. D. Rivarola, D. Misra, and L. C. TribediWe have measured the double-differential cross sections (DDCS) for electron emission in …Cavity-mediated cooling of a trapped Λ-type three-level atom using a standing-wave laser field Author(s): Zhen Yi, Gao-xiang Li, and Ya-ping YangWe propose a ground-state cavity-mediated cooling scheme for a trapped atom, which is in the Λ configuration and confined inside a high-finesse optica …Hall response of interacting bosonic atoms in strong gauge fields: From condensed to fractional-quantum-Hall states Author(s): H. Pino, E. Alba, J. Taron, J. J. Garcia-Ripoll, and N. BarberánInteracting bosonic atoms under strong gauge fields undergo a series of phase transitions that take the cloud from a simple B …Interaction-induced merging of Dirac points in non-Abelian optical lattices Author(s): Li Wang and Libin FuWe study the properties of an ultracold Fermi gas loaded in a square optical lattice and subjected to an external and classical non-Abelian gauge field. We calculate the …Optimizing the efficiency of evaporative cooling in optical dipole traps Author(s): Abraham J. Olson, Robert J. Niffenegger, and Yong P. ChenWe present a combined computational and experimental study to optimize the efficiency of evaporative cooling for atoms in optical di …Measurement of s-wave scattering lengths in a two-component Bose-Einstein condensate Author(s): M. Egorov, B. Opanchuk, P. Drummond, B. V. Hall, P. Hannaford, and A. I. SidorovWe use collective oscillations of a two-component Bose-Einstein condensate (2CBEC) of 87Rb atoms prepared in …Effective spontaneous PT-symmetry breaking in hybridized metamaterials Author(s): Ming Kang, Fu Liu, and Jensen LiWe show that metamaterials can be used as a testing ground to investigate spontaneous symmetry breaking associated with non-Hermitian quantum systems. By exp …Dressed photons in a nonlinear Fabry-Pérot cavity Author(s): Ze ChengThe photo-polaron in a two-dimensional optical microcavity is investigated within the framework of quantum statistical mechanics. Our experimental setup is based on a planar Fabry-P …Retraction: Optimal quantum communication using multiparticle partially entangled states [Phys. Rev. A 87, 022307 (2013)] Author(s): Atul Kumar, Satyabrata Adhikari, Subhashish Banerjee, and Sovik Roy[Phys. Rev. A 87, 059904] Published Mon May 20, 2013Homodyne detection as a near-optimum receiver for phase-shift-keyed binary communication in the presence of phase diffusion Author(s): Stefano Olivares, Simone Cialdi, Fabrizio Castelli, and Matteo G. A. ParisWe address binary optical communication channels based on phase-shift-keyed coherent signals in the presence of pha …Spontaneous nucleation and dynamics of kink defects in zigzag arrays of trapped ions Author(s): S. Ejtemaee and P. C. HaljanThe spontaneous nucleation and dynamics of topological kink defects have been studied in trapped arrays of 41–43 Yb ions. The number of kinks formed as a functio …Partial decoherence and thermalization through time-domain ergodicity Author(s): Robert Englman and Asher YahalomAn approach, differing from two commonly used methods (the stochastic Schrödinger equation and the master equation) but entrenched in the traditional density …Universal separability and entanglement in identical-particle systems Author(s): Toshihiko Sasaki, Tsubasa Ichikawa, and Izumi TsutsuiEntanglement is known to be a relative notion, defined with respect to the choice of physical observables to be measured (i.e., the meas …Adiabatic quantum computation with Rydberg-dressed atoms Author(s): Tyler Keating, Krittika Goyal, Yuan-Yu Jau, Grant W. Biedermann, Andrew J. Landahl, and Ivan H. DeutschWe study an architecture for implementing adiabatic quantum computation with trapped n …Quantum repeaters and quantum key distribution: Analysis of secret-key rates Author(s): Silvestre Abruzzo, Sylvia Bratzik, Nadja K. Bernardes, Hermann Kampermann, Peter van Loock, and Dagmar BrußWe analyze various prominent quantum repeater protocols in the context of long-dis …Bound-state field-theory approach to proton-structure effects in muonic hydrogen Author(s): Peter J. Mohr, J. Griffith, and J. SapirsteinA bound-state field-theory approach to muonic hydrogen is set up using a variant of the Furry representation in which the lowest-order Hamiltoni …Sudden quench in a model Hamiltonian with interactions: The time-dependent components of Wigner's correlation Author(s): I. NagyBased on the correlated ground-state wave function of an exactly solvable interacting one-dimensional two-electron model Hamiltonian we address the switch-off of the external confini …Collision-induced dissociation of ∼2-MeV O_{3}^{+} and N_{3}^{+} ions Author(s): E. Vigren, V. Zhaunerchyk, W. D. Geppert, M. Larsson, E. Bahati, C. R. Vane, M. E. Bannister, M. R. Fogle, M. Hamberg, M. Danielsson, M. Kaminska, and R. D. ThomasWe present a study into th …Random vorticity in quantum fluids through interference fluctuations Author(s): M. WoutersWe study the vortex dynamics of a quantum-degenerate Bose gas through the intensity fluctuations of the interference from particles extracted at two different positions. It is sho …Nonlocal interferometry using macroscopic coherent states and weak nonlinearities Author(s): B. T. Kirby and J. D. FransonA method for performing nonlocal interferometry using phase-entangled macroscopic coherent states is described. The required entanglement can be generated using …Classical simulation of squeezed light in optical waveguide arrays Author(s): Andrey A. Sukhorukov, Alexander S. Solntsev, and J. E. SipeWe show that classical light diffraction in arrays of specially modulated coupled optical waveguides can simulate the quantum proc …