We present an infinite Grassmann time-evolving matrix product operator method for
quantum impurity problems, which directly works in the steady state. The method embraces …

An emergent and promising tensor-network-based impurity solver is to represent the
Feynman-Vernon influence functional as a matrix product state, where the bath is integrated …

The path integral formalism is the building block of many powerful numerical methods for
quantum impurity problems. However, existing fermionic path integral-based numerical …

The Grassmann time-evolving matrix product operator (GTEMPO) method has proven to be
an accurate and efficient numerical method for the real-time dynamics of quantum impurity …

The time-evolving matrix product operator (TEMPO) method has become a very competitive
numerical method for studying the real-time dynamics of quantum impurity problems. For …

Developing numerical exact solvers for open quantum systems is a challenging task due to
the non-perturbative and non-Markovian nature when coupling to structured environments …

With the goal to study dissipative Landau–Zener (LZ) sweeps in realistic solid-state qubits,
we utilize novel methods from non-Markovian open quantum system dynamics that enable …