JOURNAL ARTICLE

Ground state of one-dimensional Fermion–Phonon systems.

  • Published In: Infinite Dimensional Analysis, Quantum Probability & Related Topics, 2025, v. 28, n. 1. P. 1 1 of 3

  • Database: Academic Search Ultimate 2 of 3

  • Authored By: Miyao, Tadahiro; Okida, Seigo; Tominaga, Hayato 3 of 3

Abstract

A new framework for the reflection positivity, based on order-preserving operator inequalities, is proposed. This framework is utilized to investigate one-dimensional fermion–phonon systems, with a particular focus on the detailed examination of ground state properties. Our analysis reveals that the reflection positivity provides a consistent description of the charge-density-wave (CDW) order in such systems. Additionally, we establish the existence of CDW long-range order in the ground state when the Coulomb interaction is long range. [ABSTRACT FROM AUTHOR]

Additional Information

  • Source:Infinite Dimensional Analysis, Quantum Probability & Related Topics. 2025/03, Vol. 28, Issue 1, p1
  • Document Type:Article
  • Subject Area:Physics
  • Publication Date:2025
  • ISSN:0219-0257
  • DOI:10.1142/S0219025724500164
  • Accession Number:184893946
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