One-dimensional large-UHubbard model: An analytical approach | Zendy

Zheng-Yu Weng | Zendy; D. N. Sheng | Zendy; C. S. Ting | Zendy; Zhixun Su | Zendy

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One-dimensional large-UHubbard model: An analytical approach

Author(s) -

Zheng-Yu Weng,

D. N. Sheng,

C. S. Ting,

Zhixun Su

Publication year - 1991

Publication title -

physical review letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.688

H-Index - 673

eISSN - 1079-7114

pISSN - 0031-9007

DOI - 10.1103/physrevlett.67.3318

Subject(s) - spinon , physics , hubbard model , formalism (music) , quasiparticle , fermion , path integral formulation , gapless playback , quantum mechanics , mathematical physics , quantum electrodynamics , condensed matter physics , superconductivity , quantum , art , musical , visual arts

"' The basic properties of the Hubbard chain are systematically studied in the large-U regime by a path-integral formalism. The bare electron (hole) is shown to be a composite particle of two basic excitations, holon and spinon, together with the nonlocal string fields. Both holon and spinon are described by fermions with gapless spectra. Based on these quasiparticles, various correlation functions are analytically derived.

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