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Dresden 2020 – wissenschaftliches Programm

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TT: Fachverband Tiefe Temperaturen

TT 36: Many-body Systems: Equilibration, Chaos and Localization II (joint session DY/TT)

TT 36.7: Vortrag

Mittwoch, 18. März 2020, 11:15–11:30, HÜL 186

Impact of pertubations on expectation value dynamics — •Robin Heveling, Lars Knipschild, and Jochen Gemmer — University of Osnabrueck, Osnabrueck, Germany

Recently it was advocated by several groups that a variety of pertubations in condensed matter type systems may have “generic” effects on the dynamics of expectation values [1,2,3]. We investigate this approach numerically and to some extend analytically, scrutinizing various ways of modelling said generic effects.

[1] L. Dabelow, P. Reimann, Perturbed relaxation of quantum many-body systems, arXiv:1903.11881
[2] J. Richter et al., Exponential damping induced by random and realistic pertubations, arXiv:1906.09268
[3] L. Knipschild, J. Gemmer, Stability of quantum dynamics under constant Hamiltonian pertubations, arXiv:1811.00381

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