INVESTIGADORES
PORTESI Mariela Adelina
artículos
Título:
Maximum entropy approach to critical phenomena in ground states of finite systems
Autor/es:
ARRACHEA, L.; CANOSA, N.; PLASTINO, A.L.; PORTESI, M.; ROSSIGNOLI, R.
Revista:
PHYSICAL REVIEW A - ATOMIC, MOLECULAR AND OPTICAL PHYSICS
Editorial:
AMER PHYSICAL SOC
Referencias:
Año: 1992 vol. 45 p. 7104 - 7110
ISSN:
1050-2947
Resumen:
A scheme for detecting signatures of phase transitions associated with pure quantum states, from the knowledge of a limited set of expectation values, is introduced. An accurate prediction of critical regions in ground states of systems with a finite number of particles is obtained.