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cond-mat.stat-mech1998
Effective Hamiltonian with holomorphic variables
A. Cuccoli, V. Tognetti, R. Giachetti +2
The pure-quantum self-consistent harmonic approximation (PQSCHA) permits to study a quantum system by means of an effective classical Hamiltonian. In this work the PQSCHA is reform…
cond-mat.stat-mech1998★ 2 cited
Effective Hamiltonian with holomorphic variables
A. Cuccoli, V. Tognetti, R. Giachetti +2
The pure-quantum self-consistent harmonic approximation (PQSCHA) permits to study a quantum system by means of an effective classical Hamiltonian - depending on quantum coupling an…