Non-thermal effects of acceleration in the resonance interaction between two uniformly accelerated atoms
arXiv:1601.04502 · doi:10.1103/PhysRevA.94.012121
Abstract
We study the resonance interaction between two uniformly accelerated identical atoms, one excited and the other in the ground state, prepared in a correlated (symmetric or antisymmetric) state and interacting with the scalar field or the electromagnetic field in the vacuum state. In this case (resonance interaction), the interatomic interaction is a second-order effect in the atom-field coupling. We separate the contributions of vacuum fluctuations and radiation reaction to the resonance energy shift of the system, and show that only radiation reaction contributes, while Unruh thermal fluctuations do not affect the resonance interaction. We also find that beyond a characteristic length scale related to the atomic acceleration, non-thermal effects in the radiation reaction contribution change the distance-dependence of the resonance interaction. Finally, we find that previously unidentified features appear, compared with the scalar field case, when the interaction with the electromagnetic field is considered, as a consequence of the peculiar nature of the vacuum quantum noise of the electromagnetic field in a relativistically accelerated background.
10 pages
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Cited by in corpus (31)
- Resonance interaction energy between two accelerated identical atoms in a coaccelerated frame and the Unruh effect
- Radiative process of two entangled uniformly accelerated atoms in a thermal bath: a possible case of anti-Unruh event
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- Radiative process of two entanglement atoms in de Sitter spacetime
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- Detecting the Curvature of de Sitter Universe with Two Entangled Atoms
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