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Condensed Matter > Mesoscale and Nanoscale Physics
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[Submitted on 19 Sep 2023]
Title: The Sagnac effect in a rotating ring with Dirac fermions
Authors: A.Yu. Fesh , S.G. Sharapov
View a PDF of the paper titled The Sagnac effect in a rotating ring with Dirac fermions, by A.Yu. Fesh and 1 other authors
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    Abstract: The observation of the Sagnac effect for massive material particles offers a significant enhancement in sensitivity when compared to optical interferometers with equal area and angular rotation velocity. As a result, there have been suggestions to employ solid-state interferometers that rely on semiconductors and graphene. However, in the case of monolayer graphene, its quasiparticles exhibit a linear dispersion, thus making the Sagnac effect in graphene comparable to that of for light. We investigate the Sagnac effect in the Dirac materials governed by the relativistic dispersion law and find the value of the fringe shift. The analysis reveals that optimal sensitivity is achieved in materials featuring a reduced value of Fermi velocity. Notably, the sign of the fringe shift depends on the nature of the charge carriers -- whether they are electrons or holes. 

Comments: 	5 pages
Subjects: 	Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
Cite as: 	arXiv:2309.10497 [cond-mat.mes-hall]
  	(or arXiv:2309.10497v1 [cond-mat.mes-hall] for this version)
  	https://doi.org/10.48550/arXiv.2309.10497
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arXiv-issued DOI via DataCite
Submission history
From: Sergei Sharapov Dr [ view email ]
[v1] Tue, 19 Sep 2023 10:18:54 UTC (12 KB)
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