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General Relativity and Quantum Cosmology

arXiv:1606.03383 (gr-qc)
[Submitted on 9 Jun 2016]

Title:Archimedes Force on Casimir Apparatus

Authors:Vladimir Shevchenko, Efim Shevrin
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Abstract:We address a problem of Casimir apparatus in dense medium and weak gravitational field. The falling of the apparatus has to be governed by the equivalence principle, with proper account for contributions to the weight of the apparatus from its material part and from distorted quantum fields. We discuss general expression for the corresponding force in metric with cylindrical symmetry. By way of example we compute explicit expression for Archimedes force, acting on the Casimir apparatus of finite size, immersed into thermal bath of free scalar field. It is shown that besides universal term, proportional to the volume of the apparatus, there are non-universal quantum corrections, depending on the boundary conditions.
Comments: 13 pages, 1 figure
Subjects: General Relativity and Quantum Cosmology (gr-qc); High Energy Physics - Phenomenology (hep-ph); High Energy Physics - Theory (hep-th)
Cite as: arXiv:1606.03383 [gr-qc]
  (or arXiv:1606.03383v1 [gr-qc] for this version)
  https://doi.org/10.48550/arXiv.1606.03383
Related DOI: https://doi.org/10.1142/S0217732316501662

Submission history

From: Vladimir Shevchenko [view email]
[v1] Thu, 9 Jun 2016 16:30:23 UTC (119 KB)
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