Semiclassical expression of the spin propagator

Kee Su Park*, Michael Stone, Anupam Garg

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

We use a continuous-time path integral to obtain the semiclassical propagator for minimal-spread spin coherent states. We pay attention to the extra phase. This extra correction of phase is related to an anomaly in the fluctuation determinant. We show that if this extra factor is included, the semiclassical propagator has the correct short time behaviour to O(T2), and demonstrate its consistency under dissection of the path.

Original languageEnglish (US)
Pages (from-to)3220-3222
Number of pages3
JournalInternational Journal of Modern Physics B
Volume15
Issue number24-25
DOIs
StatePublished - Oct 10 2001

ASJC Scopus subject areas

  • Statistical and Nonlinear Physics
  • Condensed Matter Physics

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