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Related papers: The Dynamics of a Modified Jaynes-Cummings Model

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We study the exact solutions of the cascade three-level atom interacting with a single mode classical and quantized field with different initial conditions of the atom. For the semiclassical model, it is found that if the atom is initially…

Quantum Physics · Physics 2007-11-27 Mihir Ranjan Nath , Surajit Sen , Gautam Gangopadhyay

Considering the two-photon exchange interaction between n coupled cavities each of them containing a two level atom, the atomic and photonic state transfer is investigated. In fact, n atom-cavity systems are considered to be distributed on…

Quantum Physics · Physics 2015-06-18 R. Sufiani

A double Tavis-Cummings model (DTCM) is developed to simulate the entanglement dynamics of realistic quantum information processing where two entangled atom-pairs $AB$ and $CD$ are distributed in such a way that atoms $AC$ are embedded in a…

Quantum Physics · Physics 2009-11-13 Zhong-Xiao Man , Yun-Jie Xia , Nguyen Ba An

We present a theoretical investigation of dynamical quantum phase transitions (QPTs) in a periodically driven $\Lambda$-type three-level system (3LS) embedded in a double-mode cavity, described by a three-level Jaynes-Cumming (3L-JC)…

Quantum Physics · Physics 2025-08-05 Sanjoy Mishra , Shraddha Sharma , Amit Rai , Pitamber Mahanandia

Many superconducting qubit systems use the dispersive interaction between the qubit and a coupled harmonic resonator to perform quantum state measurement. Previous works have found that such measurements can induce state transitions in the…

We investigate how quantum state can be converted between continuous variable and qubits systems. Non-linear Jaynes-Cumings interaction Hamiltonian is introduced to accomplish the conversion. Detail analysis on the conversion of thermal…

Quantum Physics · Physics 2009-11-13 Xiao-yu Chen , Liang Han , Li-zhen Jiang

We present a fast and robust framework to prepare non-classical states of a bosonic mode exploiting a coherent exchange of excitations with a two-level system ruled by a Jaynes-Cummings interaction mechanism. Our protocol, which is built on…

Quantum Physics · Physics 2020-05-12 Obinna Abah , Ricardo Puebla , Mauro Paternostro

An exact solution of the problem of two-atom one- and two-mode Jaynes-Cummings model with intensity-dependent coupling is presented. Asymptotic solutions for system state vectors are obtained in the approximation of large initial coherent…

Quantum Physics · Physics 2014-04-04 E. K. Bashkirov

In this paper, we investigate the effects of a classical gravitational field on the dynamical behaviour of nonlinear atom-field interaction within the framework of the f-deformed Jaynes-Cummings model. For this purpose, we first introduce a…

Quantum Physics · Physics 2010-08-04 Sh. Barzanjeh1 , M. H. Naderi , M. Soltanolkotabi

Coherent states, being the closest analog to classical states of wave systems, are well known to possess special properties that set them apart from most other quantum optical states. For example, they are robust against photon loss and do…

Quantum Physics · Physics 2024-09-20 Saumya Biswas , Amrit De , Avik Dutt

We present a propagator formalism to investigate the scattering of photons by a cavity QED system that consists of a single two-level atom dressed by a leaky optical cavity field. We establish a diagrammatic method to construct the…

Quantum Physics · Physics 2007-05-23 T. W. Chen , C. K. Law , P. T. Leung

We consider percolation and jamming transitions for particulate systems exposed to compression. For the systems built of particles interacting by purely repulsive forces in addition to friction and viscous damping, it is found that these…

Soft Condensed Matter · Physics 2015-10-28 L. Kovalcinova , A. Goullet , L. Kondic

We study the preparation of coherent quantum states in a two-photon micromaser for applications in quantum metrology. While this setting can be in principle realized in a host of physical systems, we consider atoms interacting with the…

Quantum Physics · Physics 2020-05-01 Andreas Kouzelis , Katarzyna Macieszczak , Jiří Minář , Igor Lesanovsky

We investigate the cavity excitation spectrum and the photon number distribution in a cavity QED system driven by a broadband squeezed vacuum. In an empty cavity, we show that only states with even number of photons can be measured under…

Quantum Physics · Physics 2018-11-29 Daqiang Bao , Chengjie Zhu , Yaping Yang , G. S. Agarwal

The possibility of exploiting heterogeneous quantum systems to high precision, for storing, processing, and transmitting information makes them ideal candidates for multi-tasking purposes in quantum communication. Appropriate quantum…

Quantum Physics · Physics 2023-08-04 Pradip Laha

In this work we study possibility of chaos formation in the dynamics governed by paradigmatic model of Cavity Quantum Electrodynamics, the so called James-Cammings model. In particular we consider generalized JC model. It is shown that even…

Chaotic Dynamics · Physics 2009-11-13 L. Chotorlishvili , Z. Toklikishvili

We report direct observations of photon-mediated spin-exchange interactions in an atomic ensemble. Interactions extending over a distance of 500 microns are generated within a cloud of cold rubidium atoms coupled to a single mode of light…

Quantum Physics · Physics 2019-01-14 Emily J. Davis , Gregory Bentsen , Lukas Homeier , Tracy Li , Monika H. Schleier-Smith

We study the photon transfer along a linear array of three coupled cavities where the central one contains an interacting two-level system in the strong and ultrastrong coupling regimes. We find that an inhomogeneously coupled array forbids…

Quantum Physics · Physics 2014-02-05 S. Felicetti , G. Romero , D. Rossini , R. Fazio , E. Solano

The reduced dynamics of an atomic qubit coupled both to its own quantized center of mass motion through the spatial mode functions of the electromagnetic field, as well as the vacuum modes, is calculated in the influence functional…

Quantum Physics · Physics 2009-11-10 S. Shresta , B. L. Hu

We investigate a generalized Jaynes-Cummings model with the external field driving the cavity mode. The numerical results for the dynamics of the atom and the cavity field mode are given. Approximated solutions to the Schrodinger equation…

Quantum Physics · Physics 2012-12-14 B. Tuguldur , Ts. Gantsog