HIDDEN LOCAL GAUGE INVARIANCE IN FATEEV-ZAMOLO-DCHIKOV QUANTUM SPIN CHAIN
Author(s) -
GUAN XI-WEN,
Zhuang Xiong,
Huan-Qiang Zhou
Publication year - 1993
Publication title -
acta physica sinica
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.42.331
Subject(s) - physics , introduction to gauge theory , gauge theory , mathematical physics , brst quantization , quantum mechanics , gauge fixing , gauge (firearms) , supersymmetric gauge theory , invariant (physics) , spin (aerodynamics) , gauge anomaly , quantum gauge theory , quantum inverse scattering method , hamiltonian lattice gauge theory , quantum electrodynamics , scattering , gauge boson , scattering theory , inverse scattering transform , thermodynamics , archaeology , history
Hidden local gauge invariance in Fateev-Zamolodchikov quantum spin chain is studied in detail in the framework of the quantum inverse scattering method (QISM). It is found that, similar to the case of spin 1/2, this model admits an Abelian U(1) gauge transformation and that the energy spectrum is gauge invariant whereas the eigenvectors are explicitly gauge dependent.
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