TensorMixedStates: A Julia library for simulating pure and mixed quantum states using matrix product states
TensorMixedStates: Une bibliothèque Julia pour simuler des états quantiques purs et mixtes avec des états produits de matrices
Résumé
We introduce TensorMixedStates, a Julia library build on top of ITensor which allows the simulation of quantum systems in presence of dissipation using matrix product states (MPS). It offers three main features: i) it implements the MPS representation for mixed states and associated operations, in particular the time evolution according to a Lindblad equation or using non-unitary gates, ii) it is based on ITensor, which has proven its effectiveness and which gives access to efficient low-level tensor manipulation as well state-of-the-art algorithms (like DMRG, TDVP, conserved quantum numbers and automated parallelization), finally iii) it presents a user-friendly interface allowing writing professional simulations for pure and mixed quantum states in a few lines of code.
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