Zobrazeno 1 - 10
of 732
pro vyhledávání: '"Zhang Guo-Feng"'
We study the mechanism for realizing non-Hermitian skin effect (NHSE) via dissipative couplings, in which the left-right couplings have equal strengths but the phases do not satisfy the complex conjugation. Previous realizations of NHSE typically req
Externí odkaz:
http://arxiv.org/abs/2311.03803
Autor:
Wang, Ding-Zu, Zhu, Hao, Cui, Jian, Argüello-Luengo, Javier, Lewenstein, Maciej, Zhang, Guo-Feng, Sierant, Piotr, Ran, Shi-Ju
The eigenstate thermalization hypothesis (ETH) is a successful theory that establishes the criteria for ergodicity and thermalization in isolated quantum many-body systems. In this work, we investigate the thermalization properties of spin-$ 1/2 $ XX
Externí odkaz:
http://arxiv.org/abs/2310.19333
Publikováno v:
Phys. Scr. 98 (2023) 065106
Recently, Zheng constructs a quantum-control-assisted multipartite variance-based uncertainty relation, which successfully extends the conditional uncertainty relation to the multipartite case [Annalen der physik, 533, 2100014 (2021)]. We here invest
Externí odkaz:
http://arxiv.org/abs/2308.13334
Publikováno v:
Phys. Scr. 98 (2023) 065113
Recently,D.Mondal et.al[Phys. Rev. A. 95, 052117(2017)]creatively introduce a new interesting concept of reverse uncertainty relation which indicates that one cannot only prepare quantum states with joint small uncertainty, but also with joint great
Externí odkaz:
http://arxiv.org/abs/2308.13332
Publikováno v:
Physical Review A 108, 023720 (2023)
In this work,we employ a unitary transformation with a suitable parameter to convert the quantum Rabi-Stark model into a Jaynes-Cummings-like model. Subsequently, we derive the analytical energy spectra in the ultrastrong coupling regime. The energy
Externí odkaz:
http://arxiv.org/abs/2308.08115
We investigate polariton-phonon hybrid excitations, which describe the collective excitations of emitter-photon polaritons and vibrational phonons, in a periodic array of vibrating two-level emitters interacting with waveguide photons. We demonstrate
Externí odkaz:
http://arxiv.org/abs/2207.08552
Exploring the bulk-boundary correspondences and the boundary-induced phenomena in the strongly-correlated quantum systems belongs to the most fundamental topics of condensed matter physics. In this work, we study the bulk-boundary competition in a si
Externí odkaz:
http://arxiv.org/abs/2204.06817
Publikováno v:
Physical Review B (2022)
Numerical annealing and renormalization group have conceived various successful approaches to study the thermodynamics of strongly-correlated systems where perturbation or expansion theories fail to work. As the process of lowering the temperatures i
Externí odkaz:
http://arxiv.org/abs/2202.00244
Publikováno v:
Chin. Phys. B, 2021, 30 (11): 110302
Capacity of dense coding via correlated noisy channel is greater than that in uncorrelated noisy channel. It is shown that weak measurement and reversal measurement can make further effort to improve quantum dense coding capacity in correlated amplit
Externí odkaz:
http://arxiv.org/abs/2112.10346
Autor:
Mo, Chuan, Zhang, Guo-Feng
Publikováno v:
Results in Physics 21 (2021) 103759
Thermal entanglement and teleportation properties in non-inertial frames are investigated when a two-qubit Heisenberg XXX model with Dzyaloshinski-Moriya (DM) interaction is used as the quantum channel. We find that thermal entanglement and the telep
Externí odkaz:
http://arxiv.org/abs/2112.10344