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14 papers · 2 filters
Full decoherence induced by local fields in open spin chains with strong boundary couplings
Vladislav Popkov, Mario Salerno, Roberto Livi
We investigate an open spin chain driven out of equilibrium by boundary reservoirs targeting different spin orientations, aligned along the principal axes of anisotropy…
How two spins can thermalize a third spin
Stephan Kleinbölting, Rochus Klesse
We consider thermalization of a microscopic quantum system by interaction with a thermal bath. Our interest is the minimal size the bath can have while still being able to thermali…
Origin of the mixed-order transition in multiplex networks: the Ashkin-Teller model
S. Jang, J. S. Lee, S. Hwang +1
Recently, diverse phase transition (PT) types have been obtained in multiplex networks, such as discontinuous, continuous, and mixed-order PTs. However, they emerge from individual…
Universality classes in two-component driven diffusive systems
V. Popkov, J. Schmidt, G. M. Schütz
We study time-dependent density fluctuations in the stationary state of driven diffusive systems with two conserved densities . Using Monte-Carlo simulations of two coupled si…
Exclusive Queueing Processes and their Application to Traffic Systems
C. Arita, A. Schadschneider
The dynamics of pedestrian crowds has been studied intensively in recent years, both theoretically and empirically. However, in many situations pedestrian crowds are rather static,…
Chiral SU(2)_k currents as local operators in vertex models and spin chains
R. Bondesan, J. Dubail, A. Faribault +1
The six-vertex model and its spin- descendants obtained from the fusion procedure are well-known lattice discretizations of the SU WZW models, with . It is shown th…