Operator-algebraic approach to the yrast spectrum of weakly interacting trapped bosons

Masahito Ueda, Tatsuya Nakajima

研究成果: Article査読

10 被引用数 (Scopus)

抄録

An operator-algebraic approach to analyze the yrast spectrum of weakly interacting bosons is proposed. The basic idea is to exploit the macroscopic occupation of a particular mode to rewrite the second-quantized interaction Hamiltonian under the restriction of the total particle-number conservation and the angular-momentum conservation. Analytically, it is shown that the lowest-lying excitation spectrum from the yrast line is given by 27gn3(n3-1)/34.

本文言語English
論文番号063609
ページ(範囲)63609/1-63609/7
ジャーナルPhysical Review A. Atomic, Molecular, and Optical Physics
64
6
出版ステータスPublished - 2001 1 1

ASJC Scopus subject areas

  • 原子分子物理学および光学

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