Ultrafast optical spectroscopy of strongly correlated materials and high-temperature superconductors: a non-equilibrium approach
In the last two decades non-equilibrium spectroscopies have evolved from avant-garde
studies to crucial tools for expanding our understanding of the physics of strongly correlated …
studies to crucial tools for expanding our understanding of the physics of strongly correlated …
Dynamical phase transitions in the collisionless pre-thermal states of isolated quantum systems: theory and experiments
We overview the concept of dynamical phase transitions (DPTs) in isolated quantum
systems quenched out of equilibrium. We focus on non-equilibrium transitions characterized …
systems quenched out of equilibrium. We focus on non-equilibrium transitions characterized …
Continuous-time Monte Carlo methods for quantum impurity models
Quantum impurity models describe an atom or molecule embedded in a host material with
which it can exchange electrons. They are basic to nanoscience as representations of …
which it can exchange electrons. They are basic to nanoscience as representations of …
Nonequilibrium dynamical mean-field theory and its applications
The study of nonequilibrium phenomena in correlated lattice systems has developed into
one of the most active and exciting branches of condensed matter physics. This research …
one of the most active and exciting branches of condensed matter physics. This research …
Dynamical quantum phase transitions in spin chains with long-range interactions: Merging different concepts of nonequilibrium criticality
We theoretically study the dynamics of a transverse-field Ising chain with power-law
decaying interactions characterized by an exponent α, which can be experimentally realized …
decaying interactions characterized by an exponent α, which can be experimentally realized …
Dynamics of a quantum phase transition and relaxation to a steady state
J Dziarmaga - Advances in Physics, 2010 - Taylor & Francis
We review recent theoretical work on two closely related issues: excitation of an isolated
quantum condensed matter system driven adiabatically across a continuous quantum phase …
quantum condensed matter system driven adiabatically across a continuous quantum phase …
Generalized Gibbs ensemble prediction of prethermalization plateaus and their relation to nonthermal steady states in integrable systems
M Kollar, FA Wolf, M Eckstein - Physical Review B—Condensed Matter and …, 2011 - APS
A quantum many-body system that is prepared in the ground state of an integrable
Hamiltonian does not directly thermalize after a sudden small parameter quench away from …
Hamiltonian does not directly thermalize after a sudden small parameter quench away from …
Dynamical quantum phase transitions in systems with broken-symmetry phases
M Heyl - Physical review letters, 2014 - APS
In this Letter it is shown that dynamical quantum phase transitions in Loschmidt echos
control the nonequilibrium dynamics of the order parameter after particular quantum …
control the nonequilibrium dynamics of the order parameter after particular quantum …
Nonequilibrium dynamical mean-field calculations based on the noncrossing approximation and its generalizations
M Eckstein, P Werner - Physical Review B—Condensed Matter and Materials …, 2010 - APS
We solve the impurity problem which arises within nonequilibrium dynamical mean-field
theory for the Hubbard model by means of a self-consistent perturbation expansion around …
theory for the Hubbard model by means of a self-consistent perturbation expansion around …
First-order dynamical phase transitions
E Canovi, P Werner, M Eckstein - Physical Review Letters, 2014 - APS
Recently, dynamical phase transitions have been identified based on the nonanalytic
behavior of the Loschmidt echo in the thermodynamic limit [Heyl et al., Phys. Rev. Lett. 110 …
behavior of the Loschmidt echo in the thermodynamic limit [Heyl et al., Phys. Rev. Lett. 110 …