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In this paper we address the analytical solution of the non-resonant interaction between two identical V-type three-level atoms passing consecutively through a single-mode cavity field in the presence of intensity-dependent coupling. By…

Quantum Physics · Physics 2022-09-02 Elham Faraji , Mohammad Kazem Tavassoly

Analytical solution for the stationary density matrix is derived, by using the Morris-Shore transformation, for an open Jaynes-Cummings system of a two-level atom with Zeeman sublevel degeneracy coupled to an arbitrary-polarized cavity…

Quantum Physics · Physics 2009-10-08 Sungsam Kang , Youngwoon Choi , Sooin Lim , Wookrae Kim , Jai-Hyung Lee , Kyungwon An

We study entanglement dynamics between four qubits interacting through two isolated Jaynes-Cummings hamiltonians, via the entanglement measure based on the wedge product. We compare the results with similar results obtained using bipartite…

Quantum Physics · Physics 2009-11-13 Isabel Sainz , Gunnar Björk

Individual quantum systems may be interacting with surrounding environments having a small number of degrees of freedom. It is therefore relevant to understand the extent to which such small (but uncontrollable) environments could affect…

Quantum Physics · Physics 2021-08-17 G. L. Deçordi , A. Vidiella-Barranco

We study the entanglement dynamics in the system of coupled quantum fields. We prove that if the coupling is linear, that is if the total Hamiltonian is a quadratic form of field operators, entanglement can only be transferred between the…

Mesoscale and Nanoscale Physics · Physics 2015-06-02 Mikhail Erementchouk , Michael N. Leuenberger

We investigate the time evolution of statistical properties of a single mode radiation field after its interaction with a two-level atom. The entire system is described by a dispersive Jaynes-Cummings Hamiltonian assuming the atomic state…

Quantum Physics · Physics 2020-12-07 C. J. S. Ferreira , C. Valverde , B. Baseia

We present a fully analytical solution of the dynamics of two strongly-driven atoms resonantly coupled to a dissipative cavity field mode. We show that an initial atom-atom entanglement cannot be increased. In fact, the atomic Hilbert space…

Quantum Physics · Physics 2009-11-13 Matteo Bina , Federico Casagrande , Alfredo Lulli , Enrique Solano

We develop a thermodynamical theory to describe the behavior of the entanglement between a single two-level atom with a single mode of the electromagnetic field. The resonant Jaynes-Cummings model is used to study both the entanglement…

Quantum Physics · Physics 2015-07-03 Alejandro Romanelli , Raul Donangelo , Andrés Vallejo

We investigate the quantum discord dynamics and inversion operator of a two-level atom initially in thermal equilibrium mixed state interacting with a cavity field prepared in a n-photon Fock state. We considered the Jaynes-Cummings model…

Quantum Physics · Physics 2012-09-18 Hari Prakash , Manoj K. Mishra

We investigate the interplay dynamics of a cavity qed system, where the two-level atoms are trapped in a double-well potential, and the cavity mode, with a frequency largely detuned to the atomic level splitting, is driven by a probe laser.…

Quantum Physics · Physics 2009-11-13 Jiang-Ming Zhang , Wu-Ming Liu , Duan-Lu Zhou

The system of an atom couples to two distinct optical cavities with phase decoherence is studied by making use of a dynamical algebraic method. We adopt the concurrence to characterize the entanglement between atom and cavities or between…

Quantum Physics · Physics 2015-06-26 Jing-Bo Xu , Shang-Bin Li

We investigate entanglement dynamics of two isolated atoms, each in its own Jaynes-Cummings cavity. We show analytically that initial entanglement has an interesting subsequent time evolution, including the so-called sudden death effect.

Quantum Physics · Physics 2007-05-23 Muhammed Yonac , Ting Yu , J. H. Eberly

The effect of retardation in the atom-field interaction on the dynamics of entanglement in a double Jaynes-Cummings system is investigated. We consider large cavities in which a finite time necessary for light to travel between the atoms…

Quantum Physics · Physics 2015-06-17 Smail Bougouffa , Zbigniew Ficek

In this paper, we study the exact entanglement dynamics of two two-level atoms in a dissipative cavity. We use the Gardiner-Collett Hamiltonian to model the dissipative cavity, in which, we assume that the two atoms resonantly interact with…

Quantum Physics · Physics 2016-07-04 Alireza Nourmandipour , M. K. Tavassoly

The interaction of two quantized fields and three-level quantum system in a lambda-type configuration is investigated in the presence of cross-Kerr nonlinearity. We consider three models of coupling for the atom-photon interaction. First,…

Quantum Physics · Physics 2016-05-10 Ali Mortezapour , Mohammad Mahmoudi , M R H Khajehpour

The entanglement, purity and energy of two isolated two-level atoms which are initially prepared in Bell state and each interacts with a thermal cavity field are investigated by considering the atomic motion and the field-mode structure. We…

Quantum Physics · Physics 2010-05-21 L. Tan , Y. Q. Zhang , Z. H. Zhu , L. W. Liu

We consider the concept of velocity fields, taken from Bohmian mechanics, to investigate the dynamical effects of entanglement in bipartite realizations of Young's two-slit experiment. In particular, by comparing the behavior exhibited by…

Quantum Physics · Physics 2023-07-18 A. S. Sanz

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

The dynamical evolution of a quantum system composed of two coupled cavities, each containing a two-level atom and a single-mode thermal field, is investigated under different conditions. The entanglement between the two atoms is controlled…

Quantum Physics · Physics 2014-01-28 Li-Tuo Shen , Zhen-Biao Yang , Huai-Zhi Wu , Xin-Yu Chen , Shi-Biao Zheng

We investigate the quantum correlation between light and matter in bipartite quantum systems, drawing on the Jaynes-Cummings model and the Tavis-Cummings model, which are well-established in cavity quantum electrodynamics. Through the…

Quantum Physics · Physics 2024-12-30 Hui-hui Miao , Wanshun Li
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