184 citations · 1.4k across the 64 of their papers we have counts for
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Quantum effects on the BKT phase transition of two-dimensional Josephson arrays
Alessandro Cuccoli, Andrea Fubini, Valerio Tognetti +1
The phase diagram of two dimensional Josephson arrays is studied by means of the mapping to the quantum XY model. The quantum effects onto the thermodynamics of the system can be e…
Semiclassical approach to the thermodynamics of spin chains
Alessandro Cuccoli, Valerio Tognetti, Paola Verrucchi +1
Using the PQSCHA semiclassical method, we evaluate thermodynamic quantities of one-dimensional Heisenberg ferro- and antiferromagnets. Since the PQSCHA reduces their evaluation to…
Dipolar interaction and incoherent quantum tunneling: a Monte Carlo study of magnetic relaxation
A. Cuccoli, A. Fort, A. Rettori +2
We study the magnetic relaxation of a system of localized spins interacting through weak dipole interactions, at a temperature large with respect to the ordering temperature but lo…
Thermodynamics of the quantum easy-plane antiferromagnet on the triangular lattice
L. Capriotti, A. Cuccoli, V. Tognetti +2
The classical XXZ triangular-lattice antiferromagnet (TAF) shows both an Ising and a BKT transition, related to the chirality and the in-plane spin components, respectively. In thi…