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Many-body problems in high temperature superconductivity

Technical Report:

Abstract

In this brief review the basic experimental facts about high T{sub c} superconductors are outlined. The superconducting properties of these superconductors are not very different from those of the ordinary superconductors. However, their normal state properties cannot be described by the standard Fermi liquid (FL) theory. Our current understanding of the strongly correlated models is summarized. In one dimension these systems behave like a ``Luttinger liquid``, very much distinct from the FL. In spite of the enormous efforts made in two-dimensional studies, the question of FL vs non-FL behaviour is still open. The numerical results as well as various approximation schemes are discussed. Both the single hole problem in a quantum antiferromagnet and finite doping regime are considered. (author). 104 refs, 9 figs.
Authors:
Publication Date:
Oct 01, 1991
Product Type:
Technical Report
Report Number:
IC-91/339
Reference Number:
SCA: 665411; PA: AIX-23:018441; SN: 92000662049
Resource Relation:
Other Information: PBD: Oct 1991
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; HIGH-TC SUPERCONDUCTORS; MANY-BODY PROBLEM; ANTIFERROMAGNETISM; COUPLING; DOPED MATERIALS; 665411; BASIC SUPERCONDUCTIVITY STUDIES
OSTI ID:
10118657
Research Organizations:
International Centre for Theoretical Physics (ICTP), Trieste (Italy)
Country of Origin:
IAEA
Language:
English
Other Identifying Numbers:
Other: ON: DE92617539; TRN: XA9230512018441
Availability:
OSTI; NTIS (US Sales Only); INIS
Submitting Site:
INIS
Size:
26 p.
Announcement Date:
Jun 30, 2005

Technical Report:

Citation Formats

Lu, Yu. Many-body problems in high temperature superconductivity. IAEA: N. p., 1991. Web.
Lu, Yu. Many-body problems in high temperature superconductivity. IAEA.
Lu, Yu. 1991. "Many-body problems in high temperature superconductivity." IAEA.
@misc{etde_10118657,
title = {Many-body problems in high temperature superconductivity}
author = {Lu, Yu}
abstractNote = {In this brief review the basic experimental facts about high T{sub c} superconductors are outlined. The superconducting properties of these superconductors are not very different from those of the ordinary superconductors. However, their normal state properties cannot be described by the standard Fermi liquid (FL) theory. Our current understanding of the strongly correlated models is summarized. In one dimension these systems behave like a ``Luttinger liquid``, very much distinct from the FL. In spite of the enormous efforts made in two-dimensional studies, the question of FL vs non-FL behaviour is still open. The numerical results as well as various approximation schemes are discussed. Both the single hole problem in a quantum antiferromagnet and finite doping regime are considered. (author). 104 refs, 9 figs.}
place = {IAEA}
year = {1991}
month = {Oct}
}