Second Order Treatment of a Pseudo-Spin System. II: Application to the Transverse-Field Ising Model | Zendy

C. Buzano | Zendy; Mario Rasetti | Zendy; M. Vadacchino | Zendy

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Second Order Treatment of a Pseudo-Spin System. II: Application to the Transverse-Field Ising Model

Author(s) -

C. Buzano,

Mario Rasetti,

M. Vadacchino

Publication year - 1982

Publication title -

progress of theoretical physics

Language(s) - English

Resource type - Journals

eISSN - 1347-4081

pISSN - 0033-068X

DOI - 10.1143/ptp.68.716

Subject(s) - physics , ising model , consistency (knowledge bases) , transverse plane , phase diagram , transverse field , square lattice ising model , field (mathematics) , boundary value problem , phase boundary , condensed matter physics , spin (aerodynamics) , boundary (topology) , statistical physics , mean field theory , phase (matter) , thermodynamics , quantum mechanics , mathematical analysis , geometry , mathematics , structural engineering , pure mathematics , engineering

The transverse:field Ising model is solved within the scheme of the generalized mean·field method earlier proposed by the authors. The uncompatibility between the self.consistency condition and the thermal equilibrium is corrected through the introduction of a correlated mean·field, realized by a virtual· field parameter. Numerical results are discussed in detail, from which the specific heat and the transverse·field/critical·temperature phase boundary diagram are derived

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