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Renormalization Group Approach to Casimir Effect and the Attractive and Repulsive Forces in Substance

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arxiv 1203.2708 v3 pith:S2NMSFVG submitted 2012-03-13 cond-mat.mes-hall hep-th

classification cond-mat.mes-hallhep-th
keywords substanceapproachattractivecasimirenergypath-integralpermeabilityrepulsive
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abstract

Electromagnetism in substance is characterized by permittivity (dielectric constant) and permeability (magnetic permeability). They describe the substance property {\it effectively}. We present a {\it geometric} approach to it. Some models are presented, where the two quantities are geometrically defined. Fluctuation due to the micro dynamics (such as dipole-dipole interaction) is taken into account by the (generalized) path-integral. Free energy formula (Lifshitz 1954), for the material composed of three regions with different permittivities, is explained. Casimir energy is obtained by a new regularization using the path-integral. Attractive force or repulsive one is determined by the sign of the {\it renormalization-group} $\beta$-function.

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Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Casimir Effect in Stochastic Semi-Classical Gravity

    quant-ph 2025-01 reject novelty 2.0 of 10

    The paper rederives the known Fermi-coordinate gravitational correction to the Casimir force, F/A = -g E_C, but does not derive the claimed stochastic semi-classical gravity correction.

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