TRANSITION TEMPERATURE OF THREE-DIMENSIONAL QUANTUM HEISENBERG FERRO- AND ANTIFERROMAGNETS

Cuccoli, A.; Vaia, R.; Maciocco, R.

doi:10.1016/S0304-8853(00)00682-X

The transition temperature between the ordered and the paramagnetic phase of 3D quantum Heisenberg ferro- and antiferromagnets is theoretically predicted with very good accuracy for any spin value, starting from its known counterpart for the classical system. The really straightforward evaluation is made possible by a method that reduces the quantum problem to an effective classical Hamiltonian.

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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/2158/12554

Titolo:	TRANSITION TEMPERATURE OF THREE-DIMENSIONAL QUANTUM HEISENBERG FERRO- AND ANTIFERROMAGNETS
Autori interni:	CUCCOLI, ALESSANDRO
Autori:	A. CUCCOLI; R. VAIA; R. MACIOCCO
Data di pubblicazione:	2001
Rivista:	JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
Volume:	226-230, PART 1
Pagina iniziale:	566
Pagina finale:	568
Abstract:	The transition temperature between the ordered and the paramagnetic phase of 3D quantum Heisenberg ferro- and antiferromagnets is theoretically predicted with very good accuracy for any spin value, starting from its known counterpart for the classical system. The really straightforward evaluation is made possible by a method that reduces the quantum problem to an effective classical Hamiltonian.
Handle:	http://hdl.handle.net/2158/12554
Appare nelle tipologie:	1a - Articolo su rivista

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