Entanglement and coherence in a hybrid Laguerre–Gaussian rotating cavity optomechanical system with two-level atoms

SK Singh, JX Peng, M Asjad… - Journal of Physics B …, 2021 - iopscience.iop.org
We theoretically investigate quantum entanglement and coherence in a hybrid Laguerre–
Gaussian rotating cavity optomechanical system with two-level atoms, where cavity and …

Controlling quantum coherence and entanglement in cavity magnomechanical systems

W Qiu, X Cheng, A Chen, Y Lan, W Nie - Physical Review A, 2022 - APS
We investigate theoretically macroscopic quantum coherence and tripartite entanglement in
a three-mode magnomechanical system with a yttrium iron garnet sphere, which is …

Enhanced weak force sensing based on atom-based coherent quantum noise cancellation in a hybrid cavity optomechanical system

SK Singh, M Mazaheri, JX Peng, A Sohail… - Frontiers in …, 2023 - frontiersin.org
The weak force sensing based on a coherent quantum noise cancellation (CQNC) scheme
is presented in a hybrid cavity optomechanical system containing a trapped ensemble of …

Nonreciprocal enhancement of macroscopic entanglement with noise tolerance

ZH Huang, YF Jiao, LL Yan, DY Wang, SL Su, H Jing - Physical Review A, 2024 - APS
The entanglement of different macroscopic objects can provide crucial resources for various
quantum applications and quantum-enabled devices. The generation, manipulation, and …

Quantum coherence of the Heisenberg spin models with Dzyaloshinsky-Moriya interactions

C Radhakrishnan, M Parthasarathy, S Jambulingam… - Scientific Reports, 2017 - nature.com
We study quantum coherence in a spin chain with both symmetric exchange and
antisymmetric Dzyaloshinsky-Moriya couplings. Quantum coherence is quantified using the …

Quantum coherence of planar spin models with Dzyaloshinsky-Moriya interaction

C Radhakrishnan, I Ermakov, T Byrnes - Physical Review A, 2017 - APS
The quantum coherence of one-dimensional planar spin models with Dzyaloshinsky-Moriya
interaction is investigated. The anisotropic XY model, the isotropic XX model, and the …

Vector photon-magnon-phonon coherence in a polarized microwave driven cavity magnomechanical system

JX Peng, A Kundu, ZX Liu, A Rahman, N Akhtar… - Physical Review B, 2024 - APS
Polarization is a significant vector property of the light field that has been widely applied in
various fields of modern optical sciences. In this paper, we introduce the concept of …

A rotational-cavity optomechanical system with two revolving cavity mirrors: optical response and fast-slow light mechanism

A Sohail, R Arif, N Akhtar, Ziauddin, JX Peng… - The European Physical …, 2023 - Springer
We investigate the optical behavior of a single Laguerre–Gaussian cavity optomechanical
system consisting of two mechanically rotating mirrors. We explore the effects of various …

Nonreciprocal quantum coherence in spinning magnomechanical systems

H Zhang, X Shang, Q Liao, A Chen, W Nie - Physical Review A, 2024 - APS
We theoretically investigate the quantum coherence and its nonreciprocity in a cavity
magnomechanical system composed of a spinning microwave resonant cavity and an …

Basis-independent quantum coherence and its distribution

C Radhakrishnan, Z Ding, F Shi, J Du, T Byrnes - Annals of Physics, 2019 - Elsevier
We analyze a basis-independent definition of quantum coherence. The maximally mixed
state is used as the reference state, which allows for a way of defining coherence that is …