A new phase diagram for the t-J model

Ercolessi, E.; Pieri, Pierbiagio; Roncaglia, M.

doi:10.1016/S0375-9601(96)00895-X

We study the so-called nonmagnetic phases (dimer and flux states) in the t-J model below half filling. We present a new phase diagram, at zero and finite temperature, that includes broad areas of phase coexistence (dimer-flux or flux-uniform), in accordance with experimental and numerical data on the possibility of separation into hole-rich and hole-poor regions. We also briefly comment on some techniques used in the literature to discuss phase separation in the t-J model.

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Titolo:	A new phase diagram for the t-J model
Autori:	E. ERCOLESSI PIERI, Pierbiagio M. RONCAGLIA mostra contributor esterni nascondi contributor esterni
Data di pubblicazione:	1997
Rivista:	PHYSICS LETTERS A
Abstract:	We study the so-called nonmagnetic phases (dimer and flux states) in the t-J model below half filling. We present a new phase diagram, at zero and finite temperature, that includes broad areas of phase coexistence (dimer-flux or flux-uniform), in accordance with experimental and numerical data on the possibility of separation into hole-rich and hole-poor regions. We also briefly comment on some techniques used in the literature to discuss phase separation in the t-J model.
Handle:	http://hdl.handle.net/11581/200495
Appare nelle tipologie:	Articolo

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