Ultrafast charging in a two-photon Dicke quantum battery

A Crescente, M Carrega, M Sassetti, D Ferraro - Physical Review B, 2020 - APS
We consider a collection of two level systems, such as qubits, embedded into a microwave
cavity as a promising candidate for the realization of high power quantum batteries. In this …

Micromasers as quantum batteries

V Shaghaghi, V Singh, G Benenti… - Quantum Science and …, 2022 - iopscience.iop.org
We show that a micromaser is an excellent model of quantum battery. A highly excited, pure,
and effectively steady state of the cavity mode, charged by coherent qubits, can be achieved …

Artificial intelligence discovery of a charging protocol in a micromaser quantum battery

C Rodríguez, D Rosa, J Olle - Physical Review A, 2023 - APS
We propose a gradient-based general computational framework for optimizing model-
dependent parameters in quantum batteries (QB). We apply this method to two different …

Lossy micromaser battery: Almost pure states in the jaynes–cummings regime

V Shaghaghi, V Singh, M Carrega, D Rosa, G Benenti - Entropy, 2023 - mdpi.com
We consider a micromaser model of a quantum battery, where the battery is a single mode
of the electromagnetic field in a cavity, charged via repeated interactions with a stream of …

Deterministic generation of multi-photon bundles in a quantum Rabi model

C Liu, JF Huang, L Tian - Science China Physics, Mechanics & Astronomy, 2023 - Springer
Multi-photon bundle states are crucial for a broad range of applications such as quantum
metrology, quantum lithography, quantum communication, and quantum biology. Here we …

Quantum Fisher information and polaron picture for the identification of transition coupling in the quantum Rabi model

ZJ Ying, WL Wang, BJ Li - Physical Review A, 2024 - APS
The quantum Rabi model (QRM) is a fundamental model for light-matter interactions. A
fascinating feature of the QRM is that it manifests a quantum phase transition which is …

Engineering of strong mechanical squeezing via the joint effect between duffing nonlinearity and parametric pump driving

CH Bai, DY Wang, S Zhang, S Liu, HF Wang - Photonics Research, 2019 - opg.optica.org
Previous works for achieving mechanical squeezing focused mainly on the sole squeezing
manipulation method. Here we study how to construct strong steady-state mechanical …

Robust Topological Feature against Non‐Hermiticity in Jaynes–Cummings Model

ZJ Ying - Advanced Quantum Technologies, 2024 - Wiley Online Library
Abstract The Jaynes–Cummings Model (JCM) is a fundamental model and building block for
light‐matter interactions, quantum information and quantum computation. The present work …

Scaling Relations and Topological Quadruple Points in Light‐Matter Interactions with Anisotropy and Nonlinear Stark Coupling

ZJ Ying - Advanced Quantum Technologies, 2023 - Wiley Online Library
Universality is a common quality in different physical parameters that is rooted in the deep
nature of physical systems. Scaling relation is a typical universality for critical phenomena …

Nodes and Spin Windings for Topological Transitions in Light–Matter Interactions

ZJ Ying - Advanced Quantum Technologies, 2023 - Wiley Online Library
The anisotropic quantum Rabi model (QRM) is the fundamental model of light–matter
interactions with indispensable counter‐rotating terms in ultra‐strong couplings. By …