Nontrivial gauge symmetry in high Tc superconductivity

Research output: Contribution to journalArticle

Abstract

The square lattice structure of CuO2 layers and the strongly correlated properties of electrons in cuprates were studied. A nontrivial gauge symmetry was used to analyze the spin and charge fluctuations characterizing the low energy magnetic excitations. Bogoliubov transformations were also used to determine the quasiparticle operators with respect to physical vacuum states. The analysis suggested that three SO(5) coherent pairing states describing different physical properties of strongly correlated electrons in cuprates was generated by different pair operators.

Original languageEnglish
Pages (from-to)147-150
Number of pages4
JournalPhysica C: Superconductivity and its applications
Volume364-365
DOIs
Publication statusPublished - 2001 Nov 1

Fingerprint

Superconductivity
cuprates
Gages
superconductivity
operators
Electrons
symmetry
electrons
Physical properties
physical properties
Vacuum
vacuum
excitation
energy

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

Cite this

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abstract = "The square lattice structure of CuO2 layers and the strongly correlated properties of electrons in cuprates were studied. A nontrivial gauge symmetry was used to analyze the spin and charge fluctuations characterizing the low energy magnetic excitations. Bogoliubov transformations were also used to determine the quasiparticle operators with respect to physical vacuum states. The analysis suggested that three SO(5) coherent pairing states describing different physical properties of strongly correlated electrons in cuprates was generated by different pair operators.",
author = "Wei-Min Zhang",
year = "2001",
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journal = "Physica C: Superconductivity and its Applications",
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Nontrivial gauge symmetry in high Tc superconductivity. / Zhang, Wei-Min.

In: Physica C: Superconductivity and its applications, Vol. 364-365, 01.11.2001, p. 147-150.

Research output: Contribution to journalArticle

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