Showing 2023 · quant-phShow all

26 papers · 2 filters

quant-ph2023★ 39 cited

Optimal energy storage in the Tavis-Cummings quantum battery

Hui-Yu Yang, Hai-Long Shi, Qing-Kun Wan +3

The Tavis-Cummings (TC) model, which serves as a natural physical realization of a quantum battery, comprises atoms as battery cells that collectively interact with a shared…

quant-ph2023

The Thermodynamic Costs of Pure Dephasing in Quantum Heat Engines: Quasistatic Efficiency at Finite Power

Raphael Weber, Susana F. Huelga, Martin B. Plenio

Quantum heat engines are commonly believed to achieve their optimal efficiency only when operated quasi-statically. When running at finite power, however, they suffer effective fri…

quant-ph2023★ 9 cited

Exotic Symmetry Breaking Properties of Self-Dual Fracton Spin Models

Giovanni Canossa, Lode Pollet, Miguel A. Martin-Delgado +2

Fracton codes host unconventional topological states of matter and are promising for fault-tolerant quantum computation due to their large coding space and strong resilience agains…

quant-ph2023★ 5 cited

Imaginary-Temperature Zeros for Quantum Phase Transitions

Jinghu Liu, Shuai Yin, Li Chen

While the zeros of complex partition functions, such as Lee-Yang zeros and Fisher zeros, have been pivotal in characterizing temperature-driven phase transitions, extending this co…

quant-ph2023★ 3 cited

Floquet topological phase transitions induced by uncorrelated or correlated disorder

Jun-Hui Zheng, Arijit Dutta, Monika Aidelsburger +1

The impact of weak disorder and its spatial correlation on the topology of a Floquet system is not well understood so far. In this study, we investigate a model closely related to…

quant-ph2023★ 13 cited

Circuit QED with a Giant Atom Coupling to Left-handed Superlattice Metamaterials

Zhao-Min Gao, Jia-Qi Li, Zi-Wen Li +2

Giant atoms, where the dipole approximation ceases to be valid, allow us to observe unconventional quantum optical phenomena arising from interference and time-delay effects. Most…

quant-ph2023★ 6 cited

Exact solutions of a spin-orbit coupling model in two-dimensional central-potentials and quantum-classical correspondence

Jun-Li Xin, Jiu-Qing Liang

In this paper we present both the classical and quantum periodic-orbits of a neutral spinning particle constrained in two-dimensional central-potentials with a cylindrically symmet…

quant-ph2023★ 6 cited

Discrete time crystal in an open optomechanical system

Dongni Chen, Zhengyang Peng, Jiahui Li +2

The spontaneous breaking of time translation symmetry in periodically driven Floquet systems can lead to a discrete time crystal. Here we study the occurrence of such dynamical pha…

quant-ph2023★ 5 cited

A survey of universal quantum von Neumann architecture

Y. -T. Liu, K. Wang, Y. -D. Liu +1

The existence of universal quantum computers has been theoretically well established. However, building up a real quantum computer system not only relies on the theory of universal…

quant-ph2023★ 2 cited

Experimental simulation of quantum superchannels

Hang Li, Kai Wang, Shijie Wei +5

Simulating quantum physical processes has been one of the major motivations for quantum information science. Quantum channels, which are completely positive and trace preserving pr…

quant-ph2023★ 93 cited

Remote Charging and Degradation Suppression for the Quantum Battery

Wan-Lu Song, Hai-Bin Liu, Bin Zhou +2

The quantum battery (QB) makes use of quantum effects to store and supply energy, which may outperform its classical counterpart. However, there are two challenges in this field. O…

quant-ph2023

A Regularized Model

Yu-Qi Chen, Zhao-Feng Ge

We investigate a dynamic model described by the classical Hamiltonian , where , in classical, semi-classical, and quantum mechanics. In the high-e…

quant-ph2023★ 15 cited

Kerr nonlinearity induced strong spin-magnon coupling

Feng-Zhou Ji, Jun-Hong An

One pillar of quantum magnonics is the exploration of the utilization of the mediation role of magnons in different platforms to develop quantum technologies. The efficient couplin…

quant-ph2023★ 10 cited

Optimal realization of Yang-Baxter gate on quantum computers

Kun Zhang, Kwangmin Yu, Kun Hao +1

Quantum computers provide a promising method to study the dynamics of many-body systems beyond classical simulation. On the other hand, the analytical methods developed and results…

quant-ph2023★ 3 cited

Effective Hamiltonian approach to the quantum phase transitions in the extended Jaynes-Cummings model

H. T. Cui, Y. A. Yan, M. Qin +1

The study of phase transitions in dissipative quantum systems based on the Liouvillian is often hindered by the difficulty of constructing a time-local master equation when the sys…

quant-ph2023★ 25 cited

Quantum metrology in the noisy intermediate-scale quantum era

Lin Jiao, Wei Wu, Si-Yuan Bai +1

Quantum metrology pursues the physical realization of higher-precision measurements to physical quantities than the classically achievable limit by exploiting quantum features, suc…

quant-ph2023★ 3 cited

Tristochastic operations and convolutions of quantum states

Rafał Bistroń, Wojciech Śmiałek, Karol Życzkowski

The notion of convolution of two probability vectors, corresponding to a coincidence experiment can be extended for a family of binary operations determined by (tri)stochastic tens…

quant-ph2023★ 2 cited

A family of quantum von Neumann architecture

D. -S. Wang

In this work, we develop universal quantum computing models that form a family of quantum von Neumann architecture, with modular units of memory, control, CPU, internet, besides in…

quant-ph2023★ 5 cited

Light-Matter interactions in Hofstadter lattice with the next-nearest neighbor couplings

Jia-Qi Li, Zhao-Min Gao, Wen-Xiao Liu +1

The light-mater interactions for an emitter coupling to the bulk region of a Hofstadter lattice has recently investigated by De Bernardis \textit{et al.} [D. De Bernardis, Z.-P. Ci…

quant-ph2023★ 29 cited

Non-Hermitian Waveguide Cavity QED with Tunable Atomic Mirrors

Wei Nie, Tao Shi, Yu-xi Liu +1

Optical mirrors determine cavity properties by means of light reflection. Imperfect reflection gives rise to open cavities with photon loss. We study an open cavity made of atom-di…

quant-ph2023★ 29 cited

Realizing quantum optics in structured environments with giant atoms

Xin Wang, Huai-Bing Zhu, Tao Liu +1

To go beyond quantum optics in free-space setups, atom-light interfaces with structured photonic environments are often employed to realize unconventional quantum electrodynamics (…

quant-ph2023★ 9 cited

Universal resources for quantum computing

D. -S. Wang

Unravelling the source of quantum computing power has been a major goal in the field of quantum information science. In recent years, the quantum resource theory (QRT) has been est…

quant-ph2023

Effective Hamiltonian approach to the exact dynamics of open system by complex discretization approximation for environment

H. T. Cui, Y. A. Yan, M. Qin +1

The discretization approximation method commonly used to simulate the dynamics of quantum system coupled to the environment in continuum often suffers from the periodically partial…

quant-ph2023★ 41 cited

Floquet Engineering to Overcome No-Go Theorem of Noisy Quantum Metrology

Si-Yuan Bai, Jun-Hong An

Permitting a more precise measurement to physical quantities than the classical limit by using quantum resources, quantum metrology holds a promise in developing many revolutionary…