Zitterbewegung in Bogoliubov＇s System

We show that Bogoliubov＇s quasiparticle in superfluid 3He-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 Zitterbewegu...

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Published in理论物理通讯：英文版 Vol. 63; no. 2; pp. 145 - 148
Main Author LI Yan SU Hong-Yi ZHANG Fu-Lin CHEN Jing-Ling WU Chun-Feng Leong-ChuanKwek
Format Journal Article
LanguageEnglish
Published 2015
Subjects
准粒子
实验观察
期望值
狄拉克
电子
相对论
系统
超流体氦
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Summary:We show that Bogoliubov＇s quasiparticle in superfluid 3He-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 105 lower than that of an electron, rendering a more promising experimented observation.
Bibliography:Zitterbewegung, Bogoliubov＇s system
We show that Bogoliubov＇s quasiparticle in superfluid 3He-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 105 lower than that of an electron, rendering a more promising experimented observation.
11-2592/O3
ISSN:0253-6102