Phononic Casimir Effect in Planar Materials

Fuente: arXiv
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Main Authors: Rodriguez-Lopez, Pablo, Le, Dai-Nam, Woods, Lilia M.
Format: Preprint
Published: 2025
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author Rodriguez-Lopez, Pablo
Le, Dai-Nam
Woods, Lilia M.
author_facet Rodriguez-Lopez, Pablo
Le, Dai-Nam
Woods, Lilia M.
contents The Phononic Casimir effect between planar objects is investigated by deriving a formalism from the quantum partition function of the system following multiscattering approach. This fluctuation-induced coupling is mediated by phonons modeled as an effective elastic medium. We find that excitations with three types of polarizations arise from the resolved boundary conditions, however the coupling is dominated by only one of these degrees of freedom due to exponential suppression effects in the other two. The obtained scaling laws and dependence on materials properties and temperature suggest effective pathways of interaction control. Scenarios of materials combinations are envisioned where the Phononic Casimir effect is of similar order as the standard Casimir interaction mediated by electromagnetic fluctuations.
format Preprint
id arxiv_https___arxiv_org_abs_2512_02815
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Phononic Casimir Effect in Planar Materials
Rodriguez-Lopez, Pablo
Le, Dai-Nam
Woods, Lilia M.
Quantum Physics
Mesoscale and Nanoscale Physics
The Phononic Casimir effect between planar objects is investigated by deriving a formalism from the quantum partition function of the system following multiscattering approach. This fluctuation-induced coupling is mediated by phonons modeled as an effective elastic medium. We find that excitations with three types of polarizations arise from the resolved boundary conditions, however the coupling is dominated by only one of these degrees of freedom due to exponential suppression effects in the other two. The obtained scaling laws and dependence on materials properties and temperature suggest effective pathways of interaction control. Scenarios of materials combinations are envisioned where the Phononic Casimir effect is of similar order as the standard Casimir interaction mediated by electromagnetic fluctuations.
title Phononic Casimir Effect in Planar Materials
topic Quantum Physics
Mesoscale and Nanoscale Physics
url https://arxiv.org/abs/2512.02815