T C Dorlas and W Skrypnik 2004 J. Phys. A: Math. Gen. 37 6623 doi:10.1088/0305-4470/37/26/002
T C Dorlas1 and W Skrypnik2
Show affiliationsWe describe a family of quantum spin models which are generators of a discrete Markovian process. We show that there exists an explicit expression for the ground state of such models and give a simple argument for the existence of two types of long-range order in such systems. Two special examples of these systems are analysed in detail.
05.50.+q Lattice theory and statistics (Ising, Potts, etc.)
82B20 Lattice systems (Ising, dimer, Potts, etc.) and systems on graphs
Issue 26 (2 July 2004)
Received 11 March 2004
Published 16 June 2004
T C Dorlas and W Skrypnik 2004 J. Phys. A: Math. Gen. 37 6623
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