The ground state-vector of the XY Heisenberg chain and the Gauss decomposition
classification
❄️ cond-mat.stat-mech
hep-thmath-phmath.MP
keywords
groundstate-vectorchainheisenbergallowapproachcombinatoricsconsidered
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The XY Heisenberg spin 1/2 chain is considered in the fermion representation. The construction of the ground state-vector is based on the group-theoretical approach. The exact expression for the ground state-vector will allow to study the combinatorics of the correlation functions of the model.
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