Path Integral Representations for the Spin-Pinned Quantum XXZ Chain

O. Bolina, P. Contucci, B. Nachtergaele

2005, v.11, №2, 211-221

ABSTRACT

Two discrete path integral formulations for the ground state of a spin- pinned quantum anisotropic XXZ Heisenberg chain are introduced. Their properties are discussed and two recursion relations are proved.

Keywords: Heisenberg model,path integral representation,groundstate,pinned spin

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