Zitterbewegung in Bogoliubov's System

We show that Bogoliubov's quasiparticle in superfluid super(3) He-B undergoes the Zitterbewegung, as a free relativistic Dirac's electron does. The expectation value of position, as well as spin, of the quasiparticle is obtained and compared with that of the Dirac's electron. In parti...

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Published inCommunications in theoretical physics Vol. 63; no. 2; pp. 145 - 148
Main Authors Li, Yan, Su, Hong-Yi, Zhang, Fu-Lin, Chen, Jing-Ling, Wu, Chun-Feng, Leong-Chuan, Kwek
Format Journal Article
LanguageEnglish
Published 01.02.2015
Subjects
Fluids
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Superfluidity
Theoretical physics
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Summary:We show that Bogoliubov's quasiparticle in superfluid super(3) He-B undergoes the Zitterbewegung, as a free relativistic Dirac's electron does. The expectation value of position, as well as spin, of the quasiparticle is obtained and compared with that of the Dirac's electron. In particular, the Zitterbewegung of Bogoliubov's quasiparticle has a frequency approximately 10 super(5) lower than that of an electron, rendering a more promising experimental observation.
Bibliography:ObjectType-Article-1
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ISSN:0253-6102
1572-9494
DOI:10.1088/0253-6102/63/2/05