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Condensed Matter > Quantum Gases

arXiv:1804.11323 (cond-mat)
[Submitted on 30 Apr 2018 (v1), last revised 14 Dec 2018 (this version, v4)]

Title:Unruh effect for interacting particles with ultracold atoms

Authors:Arkadiusz Kosior, Maciej Lewenstein, Alessio Celi
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Abstract:The Unruh effect is a quantum relativistic effect where the accelerated observer perceives the vacuum as a thermal state. Here we propose the experimental realization of the Unruh effect for interacting ultracold fermions in optical lattices by a sudden quench resulting in vacuum acceleration with varying interactions strengths in the real temperature background. We observe the inversion of statistics for the low lying excitations in the Wightman function as a result of competition between the spacetime and BCS Bogoliubov transformations. This paper opens up new perspectives for simulators of quantum gravity.
Comments: close to the published version
Subjects: Quantum Gases (cond-mat.quant-gas); General Relativity and Quantum Cosmology (gr-qc); High Energy Physics - Theory (hep-th); Quantum Physics (quant-ph)
Cite as: arXiv:1804.11323 [cond-mat.quant-gas]
  (or arXiv:1804.11323v4 [cond-mat.quant-gas] for this version)
  https://doi.org/10.48550/arXiv.1804.11323
Journal reference: SciPost Phys. 5, 061 (2018)
Related DOI: https://doi.org/10.21468/SciPostPhys.5.6.061

Submission history

From: Arkadiusz Kosior [view email]
[v1] Mon, 30 Apr 2018 16:58:24 UTC (242 KB)
[v2] Mon, 7 May 2018 16:43:16 UTC (242 KB)
[v3] Tue, 13 Nov 2018 12:44:41 UTC (289 KB)
[v4] Fri, 14 Dec 2018 09:22:46 UTC (292 KB)
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