03-298 Oscar Bolina, Pierluigi Contucci, Bruno Nachtergaele
Path Integral Representations for the Spin-Pinned Quantum XXZ Chain (51K, Latex) Jun 23, 03
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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.

Files: 03-298.src( 03-298.keywords , bcn11.tex , chain.eps , figure1.eps , pf.eps , rrandom.eps )