QuTiP: An open-source Python framework for the dynamics of open quantum systems

Details QuTiP: An open-source Python framework for the dynamics of open quantum systems QuTiP: An open-source Python framework for the dynamics of open quantum systems

2011-10-04

arxiv.org/abs/1110.0573v2

Comp. Phys. Comm. 183 1760 (2012)

Physics

Quantum Physics

16 pages, 12 figures

Scientific paper

10.1016/j.cpc.2012.02.021

We present an object-oriented open-source framework for solving the dynamics of open quantum systems written in Python. Arbitrary Hamiltonians, including time-dependent systems, may be built up from operators and states defined by a quantum object class, and then passed on to a choice of master equation or Monte-Carlo solvers. We give an overview of the basic structure for the framework before detailing the numerical simulation of open system dynamics. Several examples are given to illustrate the build up to a complete calculation. Finally, we measure the performance of our library against that of current implementations. The framework described here is particularly well-suited to the fields of quantum optics, superconducting circuit devices, nanomechanics, and trapped ions, while also being ideal for use in classroom instruction.

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