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It was shown in Ref.[Phys.Rev.A 77,045802(2008)] that the dynamics of a control atom and an atomic sample interacting dispersively with a cavity can be discribed by the Jaynes-Cummings model and the collective mode of the atomic sample can…

Quantum Physics · Physics 2008-12-31 Ya-Fei Yu , Feng Mei , Zhi-Ming Zhang , Shi-Liang Zhu

We study the entanglement dynamics of two atoms coupled to their own Jaynes-Cummings cavities in single-excitation space. Here we use the concurrence to measure the atomic entanglement. And the partial Bell states as initial states are…

Quantum Physics · Physics 2021-02-03 Ya Yang , Yan Liu , Jing Lu , Lan Zhou

Quantum simulation using synthetic quantum systems offers unique opportunities to explore open questions in many-body physics and a path for the generation of useful entangled states. Nevertheless, so far many quantum simulators have been…

Quantum Physics · Physics 2024-07-04 Chengyi Luo , Haoqing Zhang , Anjun Chu , Chitose Maruko , Ana Maria Rey , James K. Thompson

Ultrastrong-coupling between two-level systems and radiation is important for both fundamental and applied quantum electrodynamics (QED). Such regimes are identified by the breakdown of the rotating-wave approximation, which applied to the…

Quantum Physics · Physics 2019-01-31 Adam Stokes , Ahsan Nazir

In the previous paper, we adopted the method using quantum mutual entropy to measure the degree of entanglement in the time development of the Jaynes-Cummings model. In this paper, we formulate the entanglement in the time development of…

Quantum Physics · Physics 2009-11-07 Shigeru Furuichi , Mahmoud Abdel-Aty

Single electrons can be conceived as the simplest quantum nodes in a quantum network. Between electrons, single photons can act as quantum channels to exchange quantum information. Despite this appealing picture, in conventional materials,…

Quantum Physics · Physics 2019-06-26 Matthew Otten , Xianjing Zhou , Xufeng Zhang , Dafei Jin

We study the dynamics of the Jaynes-Cummings Model for an array of $N_q$ two level systems (or qubits) interacting with a quantized single mode electromagnetic cavity (or quantum bus). For an initial cavity coherent state $| \alpha >$ and…

Quantum Physics · Physics 2008-12-22 C. E. A. Jarvis , D. A. Rodrigues , B. L. Györffy , T. P. Spiller , A. J. Short , J. F. Annett

The quantum thermalization of the Jaynes-Cummings (JC) model in both equilibrium and non-equilibrium open-system cases is sdudied, in which the two subsystems, a two-level system and a single-mode bosonic field, are in contact with either…

Quantum Physics · Physics 2020-08-04 Li-Bao Fan , Yue-Hui Zhou , Fen Zou , Huan Guo , Jin-Feng Huang , Jie-Qiao Liao

In this tutorial review, we briefly discuss the role that the Jaynes-Cummings model occupies in present-day research in cavity quantum electrodynamics with a particular focus on the so-called ultrastrong coupling regime. We start by…

Quantum Physics · Physics 2024-07-08 Daniele De Bernardis , Alberto Mercurio , Simone De Liberato

We present exact numerical solutions of the damped-driven Jaynes--Cummings model adapted to describe absorptive optical bistability in the limit of a few atoms strongly coupled to a high-finesse resonator. We show that the simplifying…

Quantum Physics · Physics 2016-04-13 András Dombi , András Vukics , Peter Domokos

We introduce a generalization of the Jaynes-Cummings model and study some of its properties. We obtain the energy spectrum and eigenfunctions of this model by using the tilting transformation and the squeezed number states of the…

High Energy Physics - Theory · Physics 2016-11-04 D. Ojeda-Guillén , R. D. Mota , V. D. Granados

We study the dynamics of entanglement in a 1D coupled-cavity array, each cavity containing a two-level atom, via the Jaynes-Cummings-Hubbard (JCH) Hamiltonian in the single-excitation sector. The model features a rich variety of dynamical…

Quantum Physics · Physics 2021-01-04 J. P. Mendonça , F. A. B. F. de Moura , M. L. Lyra , G. M. A. Almeida

We propose the analog quantum simulation of generalized Dicke models in trapped ions. By combining bicromatic laser interactions on multiple ions we can generate all regimes of light-matter coupling in these models, where here the light…

Quantum Physics · Physics 2018-04-12 Ibai Aedo , Lucas Lamata

We demonstrate control of a trapped-ion quantum harmonic oscillator in a squeezed Fock state basis, using engineered Hamiltonians analogous to the Jaynes-Cummings and anti-Jaynes-Cummings forms. We demonstrate that for squeezed Fock states…

Quantum Physics · Physics 2017-08-04 D. Kienzler , H. -Y. Lo , V. Negnevitsky , C. Flühmann , M. Marinelli , J. P. Home

We study the extended Jaynes-Cummings-Hubbard model on triangular cavity lattices and zigzag ladders. By using density-matrix renormalization group methods, we observe various types of solids with different density patterns and find…

Quantum Gases · Physics 2019-09-24 Lijuan Guo , Sebastian Greschner , Siyu Zhu , Wanzhou Zhang

In recent years tremendous progress in the field of light-matter interactions has unveiled that strong coupling to the modes of an optical cavity can alter chemistry even at room temperature. Despite these impressive advances, many…

Chemical Physics · Physics 2020-05-20 Dominik Sidler , Michael Ruggenthaler , Heiko Appel , Angel Rubio

A scheme is proposed to prepare squeezed states and Schr\"{o}dinger cat-like states of the collective spin degrees of freedom associated with a pair of ground states in an atomic ensemble. The scheme uses an effective Jaynes-Cummings…

Quantum Physics · Physics 2015-06-05 Tomáš Opatrný , Klaus Mølmer

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 system-environment coupling is strong. To address this issue,…

Quantum Physics · Physics 2024-04-09 H. T. Cui , Y. A. Yan , M. Qin , X. X. Yi

A system evolving under the driven Jaynes--Cummings model will undergo a phase transition at a critical driving field amplitude. This transition is foreshadowed by a collapse of the quasienergy level spectra of the system and remains…

Quantum Physics · Physics 2018-08-22 R. Gutiérrez-Jáuregui , H. J. Carmichael

An ensemble of electrons trapped above superfluid helium offers a paradigm system for investigating and controlling collective charge dynamics in low-dimensional electronic matter. Of particular interest is the ability to spatially control…

Mesoscale and Nanoscale Physics · Physics 2025-07-09 C. A. Mikolas , N. R. Beysengulov , A. J. Schleusner , D. G. Rees , C. Undershute , J. Pollanen