Unitary transformations in weakly nonideal Bose gases

Q. Shi, V. L. Safonov, M. Mino, H. Yamazaki

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)

Abstract

We developed a method for constructing nonlinear unitary transformations in many-body systems. It is demonstrated how to eliminate the three-boson interaction terms which describe forbidden processes in one- and two-component Bose gases. The corresponding effective four-boson interaction amplitudes are calculated.

Original languageEnglish
Pages (from-to)258-264
Number of pages7
JournalPhysics Letters, Section A: General, Atomic and Solid State Physics
Volume238
Issue number4-5
DOIs
Publication statusPublished - Feb 9 1998

Keywords

  • Boson
  • Interaction
  • Unitary transformation
  • Wave

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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