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Topological nodal chains in optical lattices

期刊: PHYSICAL REVIEW A, 2021; 103 (3)

Topological nodal rings as the simplest topological nodal lines recently have been extensively studied in optical lattices. However, the realization o......

Quantum adiabatic doping for atomic Fermi-Hubbard quantum

期刊: PHYSICAL REVIEW A, 2021; 103 (4)

It is important to dope the antiferromagnetic state while preserving low entropy, in the quantum simulation of the Fermi-Hubbard model. In a recent wo......

Circularly polarized states and propagating bound states in the continuum in a periodic array of cylinders

期刊: PHYSICAL REVIEW A, 2021; 103 (4)

Bound states in the continuum (BICs) in a periodic structure sandwiched between two homogeneous media have interesting properties and useful applicati......

Observation of electric-dipole transitions in the laser-cooling candidate Th- and its application for cooling antiprotons

期刊: PHYSICAL REVIEW A, 2021; 103 (4)

Despite the fact that the laser-cooling method is a well-established technique to obtain ultracold neutral atoms and atomic cations, it has rarely if ......

Noise-robust computational ghost imaging with pink noise speckle patterns

期刊: PHYSICAL REVIEW A, 2021; 104 (1)

We propose a computational ghost imaging (CGI) scheme using customized pink noise speckle pattern illumination. By modulating the power spectrum distr......

Sensitive detection of entanglement in exciton-polariton condensates via spin squeezing

期刊: PHYSICAL REVIEW A, 2021; 104 (1)

We propose a method of generating and detecting entanglement via spin squeezing in an exciton-polariton condensate. Spin squeezing is a sensitive dete......

Dynamical characterization of quadrupole topological phases in superconducting circuits

期刊: PHYSICAL REVIEW A, 2021; 104 (2)

The recent experimental realization of a programmable two-dimensional square superconducting qubit array opens a new avenue for quantum simulation wit......

Criticality-enhanced quantum sensor at finite temperature

期刊: PHYSICAL REVIEW A, 2021; 104 (2)

Conventional criticality-based quantum metrological schemes work only at zero or very low temperature because the quantum uncertainty around the quant......

Remote magnon entanglement between two massive ferrimagnetic spheres via cavity optomagnonics

期刊: PHYSICAL REVIEW A, 2021; 104 (2)

Recent studies show that hybrid quantum systems based on magnonics provide a new and promising platform for generating macroscopic quantum states invo......

Semiclassical study of nonsequential triple ionization of Ar in strong laser fields

期刊: PHYSICAL REVIEW A, 2021; 104 (2)

We study nonsequential triple ionization of Ar in strong laser fields using a classical trajectory Monte Carlo simulation. By tracing electrons' traje......

Exceptional-surface-enhanced rotation sensing with robustness in a whispering-gallery-mode microresonator

期刊: PHYSICAL REVIEW A, 2021; 104 (3)

Traditional optical gyroscopes rely on the Sagnac effect that the resonant frequency shift is linear with the rotation rate. Recently, optical gyrosco......

Photofragmentation of large dimers into singly charged ions via the knockout mechanism

期刊: PHYSICAL REVIEW A, 2021; 104 (3)

We study the fragmentation of very large dimers into two singly charged ions caused by absorption of a photon. In this process a photoelectron emitted......

Quantifying non-Markovianity via conditional mutual information

期刊: PHYSICAL REVIEW A, 2021; 104 (3)

In this paper, we study measures of quantum non-Markovianity based on the conditional mutual information. We obtain such measures by considering multi......

Weak measurement with the peak-contrast-ratio pointer

期刊: PHYSICAL REVIEW A, 2021; 103 (3)

Weak measurement as a nonperturbative theory has been shown to be powerful in the fundamentals of quantum mechanics and high-precision metrology, in w......

Giant Kerr nonlinearities and magneto-optical rotations in a Rydberg-atom gas via double electromagnetically induced transparency

期刊: PHYSICAL REVIEW A, 2021; 103 (4)

We investigate the Kerr and magneto-optical effects for a probe laser field with two orthogonally polarized components, propagating in a cold Rydberg ......

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