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Renormalization-group flow and asymptotic behaviors at the Berezinskii-Kosterlitz-Thouless transitions
Andrea Pelissetto, Ettore Vicari
We investigate the general features of the renormalization-group flow at the Berezinskii-Kosterlitz-Thouless (BKT) transition, providing a thorough quantitative description of the…
Critical parameters from trap-size scaling in trapped particle systems
Giacomo Ceccarelli, Christian Torrero, Ettore Vicari
We investigate the critical behavior of trapped particle systems at the low-temperature superfluid transition. In particular, we consider the three-dimensional Bose-Hubbard model i…
Quantum dynamics and entanglement of a 1D Fermi gas released from a trap
Ettore Vicari
We investigate the entanglement properties of the nonequilibrium dynamics of one-dimensional noninteracting Fermi gases released from a trap. The gas of N particles is initially in…
Entanglement and particle correlations of Fermi gases in harmonic traps
Ettore Vicari
We investigate quantum correlations in the ground state of noninteracting Fermi gases of N particles trapped by an external space-dependent harmonic potential, in any dimension. Fo…