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The Sagnac effect: correct and incorrect explanations


Federal Research Center Institute of Applied Physics of the Russian Academy of Sciences, ul. Ulyanova 46, Nizhny Novgorod, 603000, Russian Federation

Different explanations for the Sagnac effect are discussed. It is shown that this effect is a consequence of the relativistic law of velocity composition and that it can also be explained adequately within the framework of general relativity. When certain restrictions on the rotational velocity are imposed, the Sagnac effect can be attributed to the difference in the time dilation (or phase change) of material particle wave functions in the scalar (or correspondingly vector) gravitational potential of the inertial forces in a rotating reference system for counterpropagating waves. It is also shown that all the nonrelativistic interpretations of the Sagnac effect, which are unfortunately sometimes found in scientific papers, monographs and textbooks, are wrong in principle, even though the results they yield are accurate up to relativistic corrections in some special cases.

Fulltext is available at IOP
PACS: 01.65.+g, 03.30.+p, 07.60.Ly, 42.87.Bg (all)
DOI: 10.1070/pu2000v043n12ABEH000830
URL: https://ufn.ru/en/articles/2000/12/c/
Citation: Malykin G B "The Sagnac effect: correct and incorrect explanations" Phys. Usp. 43 1229 (2000)
BibTexBibNote ® (generic)BibNote ® (RIS)Medline RefWorks
RT Journal
T1 The Sagnac effect: correct and incorrect explanations
A1 Malykin,G.B.
PB Physics-Uspekhi
PY 2000
FD 10 Dec, 2000
JF Physics-Uspekhi
JO Phys. Usp.
VO 43
IS 12
SP 1229
DO 10.1070/pu2000v043n12ABEH000830
LK https://ufn.ru/en/articles/2000/12/c/

:    « .   » 170 1325–1349 (2000); DOI: 10.3367/UFNr.0170.200012c.1325

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