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cond-mat.stat-mech2008★ 3 cited
Physical realization and possible identification of topological excitations in quantum Heisenberg anti-ferromagnet on a two dimensional lattice
Ranjan Chaudhury, Samir K. Paul
Physical spin configurations corresponding to topological excitations, expected to be present in the XY limit of a quantum spin 1/2 Heisenberg anti-ferromagnet, are probed on a two…
cond-mat.stat-mech2003
Ising Model on periodic and quasi-periodic chains in presence of magnetic field: some exact results
Susanta Bhattacharya, Samir K. Paul
We present a general procedure for calculating the exact partition function of an Ising model on a periodic chain in presence of magnetic field considering both open and closed bou…