Non-Abelian quasigapless modes localized on mass vortices in superfluid He3-B

Muneto Nitta, Mikhail Shifman, Walter Vinci

研究成果: Article

13 被引用数 (Scopus)

抄録

Kelvin waves, or Kelvons, have been known for a long time as gapless excitations propagating along superfluid vortices. These modes can be interpreted as the Nambu-Goldstone excitations arising from the spontaneous breaking of the translational symmetry. Recently a different type of gapless excitation localized on strings - the so-called non-Abelian mode - attracted much attention in high-energy physics. We discuss their relevance in condensed matter physics. Non-Abelian rotational quasigapless excitations could appear on the mass vortices in the B phase of the superfluid He3, due to the fact that the order parameter in He3-B is tensorial. While the U(1) rotational excitations are well established in vortices with asymmetric cores, the non-Abelian rotational excitations belonging to the same family were not considered.

本文言語English
論文番号081702
ジャーナルPhysical Review D - Particles, Fields, Gravitation and Cosmology
87
8
DOI
出版ステータスPublished - 2013 4 25

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Physics and Astronomy (miscellaneous)

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