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Dual chiral density wave induced oscillating Casimir effect

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arxiv 2402.17638 v2 pith:CZSICUHZ submitted 2024-02-27 hep-ph cond-mat.mes-hallhep-latnucl-thquant-ph

Dual chiral density wave induced oscillating Casimir effect

classification hep-ph cond-mat.mes-hallhep-latnucl-thquant-ph
keywords casimirquarkeffectfieldsinducedmatterchiraldense
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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The Casimir effect is known to be induced from photon fields confined by a small volume, and also its fermionic counterpart has been predicted in a wide range of quantum systems. Here, we investigate what types of Casimir effects can occur from quark fields in dense and thin quark matter. In particular, in the dual chiral density wave, which is a possible ground state of dense quark matter, we find that the Casimir energy oscillates as a function of the thickness of matter. This oscillating Casimir effect is regarded as an analog of that in Weyl semimetals and is attributed to the Weyl points in the momentum space of quark fields. In addition, we show that an oscillation is also induced from the quark Fermi sea, and the total Casimir energy is composed of multiple oscillations.

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Cited by 1 Pith paper

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  1. Anomalous-magnetic-moment-enhanced Casimir effect

    hep-ph 2025-07 unverdicted novelty 5.0

    Anomalous magnetic moment of Dirac fermions enhances fermionic Casimir energy under magnetic fields via gapless lowest Landau level behavior.