Phase diagram of d=4 Ising model with two couplings



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Alonso, J. L. and Carmona, J. M. and Clemente Gallardo, J. and Fernández Pérez, Luis Antonio and Íñiguez, D. and Tarancón, A. and Ullod, C. L. (1996) Phase diagram of d=4 Ising model with two couplings. Physics letters B, 376 (1-3). pp. 148-153. ISSN 0370-2693

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We study the phase diagram of the four dimensional king model with first and second neighbour couplings, especially in the antiferromagnetic region, by using Mean Field and Monte Carlo methods. From the latter, all the transition lines seem to be first order except that between ferromagnetic and disordered phases in a region including the first-neighbour Ising transition point.

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© 1996 Elsevier Science B.V. We wish to thank Juan J. Ruiz-Lorenzo for useful discussions, as well as the RTN group for the use of the RTN machine, where part of this work has been done. Partially supported by CICyT AEN93-0604-C03, AEN94-0218, AEN93-0776. D.I., J.C.G. and J.M.C. are MEC Fellows and C.L.U. DGA Fellow.

Uncontrolled Keywords:Stacked-triangular antiferromagnets; Monte-Carlo; Transitions; Lattice.
Subjects:Sciences > Physics
Sciences > Physics > Physics-Mathematical models
ID Code:41455
Deposited On:23 Feb 2017 12:50
Last Modified:23 Feb 2017 12:50

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