Representation of orthofermion spin operators

R. Kishore and A.K. Mishra

Physica A: Statistical Mechanics and its Applications, 2008, vol. 387, issue 10, 2225-2233

Abstract: The algebraic expressions for the total spin operators expressed in terms of orthofermion creation and annihilation operators are combined into a single equation. The terms in this expressions are rearranged to provide representations of local spin operators. This task is essential for modelling a system of orthofermions in the presence of a magnetic field. By factorizing the orthofermion annihilation (creation) operators into charge and spin dependent parts, it is shown that the latter part suffices to represent spin number, raising and lowering operators. Finally a connection is provided between the spin systems and Greenberg’s infinite statistics.

Keywords: Orthofermions; Second quantization; Infinite U Hubbard model (search for similar items in EconPapers)
Date: 2008
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:387:y:2008:i:10:p:2225-2233

DOI: 10.1016/j.physa.2007.12.009

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