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4 papers · 2 filters
Non-linear quantum critical dynamics and fluctuation-dissipation ratios far from equilibrium
Farzaneh Zamani, Pedro Ribeiro, Stefan Kirchner
Non-thermal correlations of strongly correlated electron systems and the far-from-equilibrium properties of phases of condensed matter have become a topical research area. Here, an…
Self-consistent Dual Boson approach to single-particle and collective excitations in correlated systems
E. A. Stepanov, E. G. C. P. van Loon, A. A. Katanin +3
We propose an efficient dual boson scheme, which extends the DMFT paradigm to collective excitations in correlated systems. The theory is fully self-consistent both on the one- and…
Dynamics of the impurity screening cloud following quantum quenches of the Resonant Level Model
Shreyoshi Ghosh, Pedro Ribeiro, Masudul Haque
We present a detailed analysis of the evolution of impurity screening cloud in the Resonant Level Model (RLM) followed by quenches of system parameters. The considered quenches are…
Steady-state dynamics and effective temperatures of quantum criticality in an open system
P. Ribeiro, F. Zamani, S. Kirchner
We study the thermal and non-thermal steady state scaling functions and the steady-state dynamics of a model of local quantum criticality. The model we consider, i.e. the pseudogap…