INVESTIGADORES
CAMJAYI Alberto
artículos
Título:
Specific heat in the SU(N) Heisenberg spin-glass model
Autor/es:
MARCELO JAVIER ROZENBERG; ALBERTO CAMJAYI
Revista:
JOURNAL OF PHYSICS CONDENSED MATTER
Referencias:
Año: 2004 vol. 16 p. 723 - 727
ISSN:
0953-8984
Resumen:
We solve the SU(N) Heisenberg spin-glass model in the limit of large N focusing on the small temperature behaviour of the specific heat C_{v} within the spin-glass phase. We consider the influence of the quantum fluctuations and observe that when they are strong the low T behaviour is quadratic. As quantum fluctuations decrease for large values of S, a broad maximum appears in the C_{v}(T)/ T curve.
