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On the nonequilibrium entropy of large and small systems
Sheldon Goldstein, David A. Huse, Joel L. Lebowitz +1
Thermodynamics makes definite predictions about the thermal behavior of macroscopic systems in and out of equilibrium. Statistical mechanics aims to derive this behavior from the d…
Light-cone spreading of perturbations and the butterfly effect in a classical spin chain
Avijit Das, Saurish Chakrabarty, Abhishek Dhar +5
We find that localised perturbations in a chaotic classical many-body system-- the classical Heisenberg We find that the effects of a localised perturbation in a chaotic classical…
Anderson localization transitions with and without random potentials
Trithep Devakul, David A. Huse
We explore single-particle Anderson localization due to nonrandom quasiperiodic potentials in two and three dimensions. We introduce a class of self-dual models that generalize the…
Operator spreading and the emergence of dissipative hydrodynamics under unitary evolution with conservation laws
Vedika Khemani, Ashvin Vishwanath, D. A. Huse
We study the scrambling of local quantum information in chaotic many-body systems in the presence of a locally conserved quantity like charge or energy that moves diffusively. The…
Quantum thermalization dynamics with Matrix-Product States
Eyal Leviatan, Frank Pollmann, Jens H. Bardarson +2
We study the dynamics of thermalization following a quantum quench using tensor-network methods. Contrary to the common belief that the rapid growth of entanglement and the resulti…
Obtaining highly excited eigenstates of the localized XX chain via DMRG-X
Trithep Devakul, Vedika Khemani, Frank Pollmann +2
We benchmark a variant of the recently introduced DMRG-X algorithm against exact results for the localized random field XX chain. We find that the eigenstates obtained via DMRG-X e…