Spin-Charge Separation at Finite Temperature in the Supersymmetric t-J Model with Long-Range Interactions

Yoshio Kuramoto, Yusuke Kato

Research output: Contribution to journalArticlepeer-review

32 Citations (Scopus)

Abstract

Thermodynamics is derived rigorously for the 1D supersymmetric t-J model and its SU (K, 1) generalization with inverse-square exchange. The system at low temperature is described in terms of spinons, antispinons, holons and antiholons obeying fractional statistics. They are all free and render the spin susceptibility independent of electron density, and the charge susceptibility independent of magnetization. Thermal spin excitations responsible for the entropy of the SU(K, 1) model are ascribed to free para-fermions of order K−1.

Original languageEnglish
Pages (from-to)4518-4522
Number of pages5
Journaljournal of the physical society of japan
Volume64
Issue number12
DOIs
Publication statusPublished - 1995 Dec
Externally publishedYes

Keywords

  • 1/r interaction
  • Sutherland model
  • Tomonaga-Luttinger liquid
  • exclusion statistics
  • fractional statistics
  • parafermion
  • spin-charge separation
  • supersymmetry
  • t-J model

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Fingerprint

Dive into the research topics of 'Spin-Charge Separation at Finite Temperature in the Supersymmetric t-J Model with Long-Range Interactions'. Together they form a unique fingerprint.

Cite this