One-Particle Spectral Weight of the Two-Dimensional Hubbard Model in the t-Matrix Approximation

Osamu Narikiyo, Kazumasa Miyake

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

The one-particle spectral weight of the two-dimensional Hubbard model is studied in the t-matrix approximation. A single quasi-particle peak is obtained in the spectrum so that the quasi-particle picture holds in the t-matrix approximation, while in the second-order perturbation (H. Fukuyama and M. Ogata: J. Phys. Soc. Jpn. 63 (1994) 3923) it is concluded that splitting of the spectral weight occurs.

Original languageEnglish
Pages (from-to)2290-2293
Number of pages4
Journaljournal of the physical society of japan
Volume64
Issue number7
DOIs
Publication statusPublished - Jul 1995
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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