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We investigate the resonance interaction energy between two uniformly accelerated identical atoms, interacting with the scalar field or the electromagnetic field in the vacuum state, in the reference frame coaccelerating with the atoms. We…

Quantum Physics · Physics 2016-11-29 Wenting Zhou , Roberto Passante , Lucia Rizzuto

We study the resonant dipole-dipole interaction energy between two uniformly accelerated identical atoms, one excited and the other in the ground state, prepared in a correlated {\em Bell-type} state, and interacting with the scalar field…

Quantum Physics · Physics 2018-06-28 Wenting Zhou , Roberto Passante , Lucia Rizzuto

We discuss different physical effects related to the uniform acceleration of atoms in vacuum, in the framework of quantum electrodynamics. We first investigate the van der Waals/Casimir-Polder dispersion and resonance interactions between…

Quantum Physics · Physics 2017-08-24 M. Lattuca , J. Marino , A. Noto , R. Passante , L. Rizzuto , S. Spagnolo , W. Zhou

The interaction between light and an atom proceeds via three paradigmatic mechanisms: spontaneous emission, stimulated emission, and absorption. All three are resonant processes in the sense that they require that the radiation field be…

Quantum Physics · Physics 2022-05-05 Barbara Šoda , Vivishek Sudhir , Achim Kempf

We consider a multilevel hydrogen atom in interaction with the quantum electromagnetic field and separately calculate the contributions of the vacuum fluctuation and radiation reaction to the rate of change of the mean atomic energy of the…

General Relativity and Quantum Cosmology · Physics 2007-05-23 Zhiying Zhu , Hongwei Yu , Shizhuan Lu

We consider an atom in interaction with a massless scalar quantum field. We discuss the structure of the rate of variation of the atomic energy for an arbitrary stationary motion of the atom through the quantum vacuum. Our main intention is…

General Relativity and Quantum Cosmology · Physics 2009-10-22 Juergen Audretsch , Rainer Mueller

We study a two-level atom in interaction with a real massless scalar quantum field in a spacetime with a reflecting boundary. The presence of the boundary modifies the quantum fluctuations of the scalar field, which in turn modifies the…

General Relativity and Quantum Cosmology · Physics 2014-11-17 Hongwei Yu , Shizhuan Lu

The Unruh effect establishes a fundamental equivalence between acceleration and thermality by demonstrating that a uniformly accelerated ground-state detector undergoes excitation as if immersed in a thermal bath. In this paper, we…

General Relativity and Quantum Cosmology · Physics 2025-08-14 Shijing Cheng , Wenting Zhou , Hongwei Yu

We consider the interatomic van der Waals interaction energy between two neutral ground-state atoms moving in the vacuum space with the same uniform acceleration. We assume the acceleration orthogonal to their separation, so that their…

Quantum Physics · Physics 2013-07-25 Antonio Noto , Roberto Passante

We study, in the framework of open systems, the entanglement generation of two independent uniformly accelerated atoms in interaction with the vacuum fluctuations of massless scalar fields subjected to a reflecting plane boundary. We…

General Relativity and Quantum Cosmology · Physics 2008-11-26 Jialin Zhang , 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 investigate the resonance dipole-dipole interaction energy between two identical atoms, one in the ground state and the other in the excited state, interacting with the electromagnetic field in the presence of a perfectly reflecting…

Quantum Physics · Physics 2018-04-23 Wenting Zhou , Lucia Rizzuto , Roberto Passante

We consider a uniformly accelerated atom interacting with a vacuum electromagnetic field in the presence of an infinite conducting plane boundary and calculate separately the contributions of vacuum fluctuations and radiation reaction to…

Quantum Physics · Physics 2010-12-09 Zhiying Zhu , Hongwei Yu

We consider the resonance interaction energy between two identical entangled atoms, where one is in the excited state and the other in the ground state. They interact with the quantum electromagnetic field in the vacuum state and are placed…

Quantum Physics · Physics 2018-04-05 Valentina Notararigo , Roberto Passante , Lucia Rizzuto

A uniformly accelerated charged particle feels the vacuum as thermally excited and fluctuates around the classical trajectory. Then we may expect additional radiation besides the Larmor radiation. It is called Unruh radiation. In this…

High Energy Physics - Phenomenology · Physics 2011-02-24 Satoshi Iso , Yasuhiro Yamamoto , Sen Zhang

We consider the time-dependent resonance interaction energy between two identical atoms, one in the ground state and the other in an excited state, and interacting with the vacuum electromagnetic field, during a nonequilibrium situation…

We investigate the rate of change of the mean atomic energy for centripetally accelerated atoms interacting with electromagnetic vacuum fluctuations near a reflecting boundary, using the Dalibard-Dupont-Roc-Cohen-Tannoudji formalism. The…

General Relativity and Quantum Cosmology · Physics 2025-09-23 Yan Peng , Jiawei Hu , Hongwei Yu

We study the spontaneous de-excitation and excitation of accelerated atoms on arbitrary stationary trajectories (``generalized Unruh effect''). We consider the effects of vacuum fluctuations and radiation reaction separately. We show that…

Quantum Physics · Physics 2009-10-28 Juergen Audretsch , Rainer Mueller , Markus Holzmann

We show that Casimir-Polder forces between two relativistic uniformly accelerated atoms exhibit a transition from the short distance thermal-like behavior predicted by the Unruh effect, to a long distance non-thermal behavior, associated…

Quantum Physics · Physics 2014-07-16 J. Marino , A. Noto , R. Passante

We study the spontaneous excitation of a uniformly accelerated two-level atom non-linearly coupled with vacuum Dirac field fluctuations using the formalism proposed by Dalibard, Dupont-Roc and Cohen-Tannoudji (DDC) and generalized to the…

Quantum Physics · Physics 2012-10-09 Wenting Zhou , Hongwei Yu
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