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EnglishThe 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.
TRANSITION TEMPERATURE OF THREE-DIMENSIONAL QUANTUM HEISENBERG FERRO- AND ANTIFERROMAGNETS / A. CUCCOLI; R. VAIA; R. MACIOCCO. - In: JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS. - ISSN 0304-8853. - STAMPA. - 226-230, PART 1(2001), pp. 566-568. [10.1016/S0304-8853(00)00682-X]
| Titolo: | TRANSITION TEMPERATURE OF THREE-DIMENSIONAL QUANTUM HEISENBERG FERRO- AND ANTIFERROMAGNETS | |
| Autori di Ateneo: | ||
| Autori: | CUCCOLI, ALESSANDRO; R. VAIA; R. MACIOCCO | |
| Data di pubblicazione: | 2001 | |
| Rivista: | ||
| 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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