Assaf Shapira

activity

20242026

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math.PR2024

Relaxation time and topology in 1D $O (N)$ models

Pietro Caputo, Sébastien Ott, Assaf Shapira

We discuss the relaxation time (inverse spectral gap) of the one dimensional $O (N)$ model, for all $N$ and with two types of boundary conditions. We see how its low temperature asy…

cond-mat.stat-mech2024

Hydrodynamic behavior near dynamical criticality of a facilitated conservative lattice gas

Clément Erignoux, Alexandre Roget, Assaf Shapira +1

We investigate a $2 d$ -conservative lattice gas exhibiting a dynamical active-absorbing phase transition with critical density $ρ_{c}$ . We derive the hydrodynamic equation for this mo…

Relaxation time and topology in 1D O(N) models

Hydrodynamic behavior near dynamical criticality of a facilitated conservative lattice gas

Relaxation time and topology in 1D $O (N)$ models