English
Related papers

Related papers: Radiative process of two entanglement atoms in de …

200 papers

We study, in the framework of open quantum systems, the entanglement generation between two mutually independent static two-level atoms in de Sitter spacetime. We treat the two-atom system as an open system in interaction with a bath of…

General Relativity and Quantum Cosmology · Physics 2013-11-14 Jiawei Hu , Hongwei Yu

In the framework of open quantum systems, we study the internal dynamics of both freely falling and static two-level atoms interacting with quantized conformally coupled massless scalar field in de Sitter spacetime. We find that the atomic…

General Relativity and Quantum Cosmology · Physics 2015-06-22 Zehua Tian , Jiliang Jing

We study radiative processes of uniformly accelerated entangled atoms, interacting with an electromagnetic field prepared in the Minkowski vacuum state. We discuss the structure of the rate of variation of the atomic energy for two atoms…

High Energy Physics - Theory · Physics 2016-06-01 G. Menezes , N. F. Svaiter

We consider radiative processes of a quantum system composed by two identical two-level atoms in a black-hole background. We assume that these identical two-level atoms are placed at fixed radial distances outside a Schwarzschild black hole…

General Relativity and Quantum Cosmology · Physics 2016-11-15 G. Menezes

We investigate radiative processes of inertial two-level atoms in an entangled state interacting with a quantum electromagnetic field. Our intention is to clarify and to analyze the contributions of vacuum fluctuations and radiation…

High Energy Physics - Theory · Physics 2016-01-06 G. Menezes , N. F. Svaiter

Casimir-Polder interaction arises from the vacuum fluctuations of quantum field that depend on spacetime curvature and thus is spacetime-dependent. Here we show how to use the resonance Casimir-Polder interaction (RCPI) between two…

Quantum Physics · Physics 2016-10-14 Zehua Tian , Jieci Wang , Jiliang Jing , Andrzej Dragan

We investigate, in the framework of open quantum systems, the entanglement dynamics of two circularly accelerated two-level atoms with the same centripetal acceleration interacting with a bath of fluctuating electromagnetic fields in the…

Quantum Physics · Physics 2019-05-22 Jiaozhen She , Jiawei Hu , Hongwei Yu

We study the resonance interaction between two entangled identical atoms coupled to a quantized scalar field vacuum, and accelerating between two mirrors. We show how radiative processes of the two-atom entangled state can be manipulated by…

Quantum Physics · Physics 2021-06-16 Riddhi Chatterjee , Sunandan Gangopadhyay , A. S. Majumdar

We apply the DDC formalism [proposed by Dalibard, Dupont-Roc and Cohen-Tannoudji] to study the average rate of change of energy of two identical two-level atoms interacting with the vacuum massless scalar field in synchronized motion along…

Quantum Physics · Physics 2020-01-22 Wenting Zhou , Hongwei Yu

We investigate the entanglement dynamics of two uniformly accelerated atoms with the same acceleration perpendicular to their separation. The two-atom system is treated as an open system coupled with fluctuating electromagnetic fields in…

Quantum Physics · Physics 2016-10-04 Yiquan Yang , Jiawei Hu , Hongwei Yu

We analyze radiative processes of a quantum system composed by two identical two-level atoms interacting with a massless scalar field prepared in the vacuum state in the presence of perfect reflecting flat mirrors. We consider that the…

Quantum Physics · Physics 2016-08-16 E. Arias , J. G. Dueñas , G. Menezes , N. F. Svaiter

We treat two identical and mutually independent two-level atoms that are coupled to a quantum field as an open quantum system. The master equation that governs their evolution is derived by tracing over the degree of freedom of the field.…

High Energy Physics - Theory · Physics 2024-08-30 Xiaobao Liu , Zehua Tian , Jiliang Jing

We study the dynamical entanglement of two identical atoms interacting with a quantum field. As a simplified model for this physical system we consider two harmonic oscillators linearly coupled to a massless scalar field in the dressed…

Quantum Physics · Physics 2015-11-12 G. Flores-Hidalgo , M. Rojas , Onofre Rojas

We consider the influence of acceleration on the radiative energy shifts of atoms in Minkowski space. We study a two-level atom coupled to a scalar quantum field. Using a Heisenberg picture approach, we are able to separate the…

General Relativity and Quantum Cosmology · Physics 2009-10-28 Juergen Audretsch , Rainer Mueller

We consider the radiative properties of a system of two identical correlated atoms interacting with the electromagnetic field in its vacuum state in the presence of a generic dielectric environment. We suppose that the two emitters are…

Quantum Physics · Physics 2017-07-06 R. Palacino , R. Passante , L. Rizzuto , P. Barcellona , S. Y. Buhmann

We study the spatial decoherence dynamics for the relative position of two atoms in a singlemode ring cavity. We find that the spatial decoherence of the two atoms depends strongly on their relative position. Taking into account the spatial…

Quantum Physics · Physics 2015-05-20 Li Zheng , Chui-Ping Yang , Franco Nori

Entanglement properties of two uncoupled atoms embedded in a coherent field distribution through one quantum transition process is studied. A case of non-linear Hamiltonian of the problem is considered through which the effect of a…

Quantum Physics · Physics 2010-03-16 M. S. Ateto

We analyze the time evolution of quantum entanglement in a model consisting of two two-level atoms interacting with a two-mode electromagnetic field for a variety of initial states and interatomic separations. We study two specific atomic…

Quantum Physics · Physics 2015-03-19 K. Sinha , N. I. Cummings , B. L. Hu

We consider, in de Sitter spacetime, both freely falling and static two-level atoms in interaction with a conformally coupled massless scalar field in the de Sitter-invariant vacuum, and separately calculate the contributions of vacuum…

High Energy Physics - Theory · Physics 2008-11-26 Zhiying Zhu , Hongwei Yu

In this paper, we use the Weisskopf-Wigner theory to study the entanglement in the state of the free-space radiation field produced from vacuum due to atomic decay. We show how bipartite entanglement is shared between different partitions…

Quantum Physics · Physics 2015-05-13 J. F. Leandro , F. L. Semião
‹ Prev 1 2 3 10 Next ›