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A path-integration approach to the correlators of \(XY\) Heisenberg magnet and random walks. (English) Zbl 1180.82018
Janke, Wolfhard (ed.) et al., Path integrals. New trends and perspectives. Proceedings of the 9th international conference, Dresden, Germany, 23–28 September 2007. Hackensack, NJ: World Scientific (ISBN 978-981-283-726-4/hbk). 508-513 (2008).

MSC:
82B20 Lattice systems (Ising, dimer, Potts, etc.) and systems on graphs arising in equilibrium statistical mechanics
82D40 Statistical mechanical studies of magnetic materials
81S40 Path integrals in quantum mechanics
82B41 Random walks, random surfaces, lattice animals, etc. in equilibrium statistical mechanics
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