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The Topological Non-connectivity Threshold and magnetic phase transitions in classical anisotropic long-range interacting spin system
Roberto Trasarti-Battistoni, Fausto Borgonovi, Giuseppe Luca Celardo
We analyze from the dynamical point of view the classical characteristics of the Topological Non-connectivity Threshold (TNT), recently introduced in F.Borgonovi, G.L.Celardo, M.Ma…
The Topological Non-connectivity Threshold in quantum long-range interacting spin systems
F. Borgonovi, G. L. Celardo, R. Trasarti-Battistoni
Quantum characteristics of the Topological Non-connectivity Threshold (TNT), introduced in F.Borgonovi, G.L.Celardo, M.Maianti, E.Pedersoli, J. Stat. Phys., 116, 516 (2004), have b…
Quantum Signatures of The Classical Disconnection Border
F. Borgonovi, G. L. Celardo, G. P. Berman
A quantum Heisenberg model with anisotropic coupling and all-to-all interaction has been analyzed using the Bose-Einstein statistics. In Ref.\cite{jsp} the existence of a classical…
Topological Non--connectivity Threshold in long-range spin systems
F. Borgonovi, G. L. Celardo, A. Musesti +2
We demonstrate the existence of a topological disconnection threshold, recently found in Ref. \cite{JSP}, for generic anisotropic Heisenberg models interacting with an inter-…