Random samples of quantum states: Online resources

TL;DR

This paper provides resources and tools for generating and accessing large samples of quantum states according to specific distributions, facilitating research in quantum information and computation.

Contribution

It offers ready-made samples and source code for generating quantum state samples using Hamiltonian Monte Carlo, supporting various quantum research applications.

Findings

Samples available for download with over a million points each

Sampling method based on Hamiltonian Monte Carlo algorithm

Resources support diverse quantum information tasks

Abstract

This is the documentation for generating random samples from the quantum state space in accordance with a specified distribution, associated with this webpage: http://tinyurl.com/QSampling . Ready-made samples (each with at least a million points) from various distributions are available for download, or one can generate one's own samples from a chosen distribution using the provided source codes. The sampling relies on the Hamiltonian Monte Carlo algorithm as described in New J. Phys. 17, 043018 (2015). The random samples are reposited in the hope that they would be useful for a variety of tasks in quantum information and quantum computation. Constructing credible regions for tomographic data, optimizing a function over the quantum state space with a complicated landscape, testing the typicality of entanglement among states from a multipartite quantum system, or computing the average of some quantity of interest over a subset of quantum states are but some exemplary applications among many.