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Publications (13)

Canonical Expansion of PT-Symmetric Operators and Perturbation Theory

E. Caliceti, S. Graffi

Ground states for a class of deterministic spin models with glassy behaviour

I. Borsari, S. Graffi, F. Unguendoli

Perturbation theory of PT-symmetric Hamiltonians

E. Caliceti, F. Cannata, S. Graffi

Ergodic Properties of Infinite Harmonic Crystals: an Analytic Approach

S. Graffi, A. Martinez

A local quantum version of the Kolmogorov theorem

D. Borthwick, S. Graffi

Thermodynamical Limit for Correlated Gaussian Random Energy Models

P. Contucci, M. Degli Esposti, C. Giardina +1

$PT$ symmetric non-selfadjoint operators, diagonalizable and non-diagonalizable, with real discrete spectrum

E. Caliceti, S. Graffi, J. Sjoestrand

Accuracy of the Semi--Classical Approximation: the Pullen Edmonds Hamiltonian

S. Graffi, V. R. Manfredi, L. Salasnich

A criterion for the reality of the spectrum of PT symmetric Schroedinger operators with complex-valued periodic potentials

E. Caliceti, S. Graffi

cond-mat.dis-nn2002

Energy Landscape Statistics of the Random Orthogonal Model

M. Degli Esposti, C. Giardina', S. Graffi

Quantal Overlapping Resonance Criterion in the Pullen Edmonds Model

S. Graffi, V. R. Manfredi, L. Salasnich

Deterministic spin models with a glassy phase transition

I. Borsari, M. Degli esposti, S. Graffi +1

cond-mat.stat-mech2000

Statistics of energy levels and zero temperature dynamics for deterministic spin models with glassy behaviour

M. Degli Esposti, C. Giardina', S. Graffi +1