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Quantum chaos in the mesoscopic device for the Josephson flux qubit
Ezequiel N. Pozzo, Daniel Dominguez, Maria Jose Sanchez
We show that the three-junction SQUID device designed for the Josephson flux qubit can be used to study quantum chaos when operated at high energies. In the parameter region where…
Langevin simulations of the out-of-equilibrium dynamics of the vortex glass in high-temperature superconductors
Sebastian Bustingorry, Leticia F. Cugliandolo, Daniel Dominguez
We study the relaxation dynamics of flux lines in dirty high-temperature superconductors using numerical simulations of a London-Langevin model of the interacting vortex lines. By…
Strong Dynamical Heterogeneities in the Violation of the Fluctuation-Dissipation Theorem in Spin Glasses
F. Roma, S. Bustingorry, P. M. Gleiser +1
We analyze numerically the violation of the fluctuation-dissipation theorem (FDT) in the Edwards-Anderson (EA) spin glass model. Using single spin probability densities we…
Dynamic fluctuations of elastic lines in random environments
Sebastian Bustingorry, Jose Luis Iguain, Claudio Chamon +2
We study the fluctuations of the two-time dependent global roughness of finite size elastic lines in a quenched random environment. We propose a scaling form for the roughness dist…
Fidelity and quantum chaos in the mesoscopic device for the Josephson flux qubit
Ezequiel N. Pozzo, Daniel Dominguez
We show that the three-junction SQUID device designed for the Josephson flux qubit can be used to study the dynamics of quantum chaos when operated at high energies. We determine t…