A real-time path-integral Monte Carlo approach is developed to study the dynamics in a
many-body quantum system coupled to a phonon background until reaching a …

Recent progress in numerical methods for evaluating the real-time path integral in
dissipative harmonic environments is reviewed. Quasi-adiabatic propagators constructed …

A detailed description is provided of a new worm algorithm, enabling the accurate
computation of thermodynamic properties of quantum many-body systems in continuous …

We propose a numerically exact approach to nonequilibrium real-time dynamics that is
applicable to quantum impurity models coupled to biased noninteracting leads, such as …

We propose a systematic approach to the nonequilibrium dynamics of strongly interacting
many-body quantum systems, building upon the standard perturbative expansion in the …

In this Letter, we present a new method for simulating quantum processes in the context of
classical molecular dynamics simulations. The approach is based on solving numerically the …

We develop an iterative, numerically exact approach for the treatment of nonequilibrium
quantum transport and dissipation problems that avoids the real-time sign problem …

We generalize the recently developed diagrammatic Monte Carlo techniques for quantum
impurity models from an imaginary time to a Keldysh formalism suitable for real-time and …

We present a numerically exact procedure for the calculation of an important class of finite
temperature quantum mechanical time correlation functions. The present approach is based …

We present dynamical calculations for the quantum parametric oscillator using both number-
state and coherent-state bases. The coherent-state methods use the positive-P …