Entanglement formation under random interactions
Quantum Physics
2016-01-20 v2 Statistical Mechanics
Abstract
The temporal evolution of the entanglement between two qubits evolving by random interactions is studied analytically and numerically. Two different types of randomness are investigated. Firstly we analyze an ensemble of systems with randomly chosen but time-independent interaction Hamiltonians. Secondly we consider the case of a temporally fluctuating Hamiltonian, where the unitary evolution can be understood as a random walk on the SU (4) group manifold. As a by-product we compute the metric tensor and its inverse as well as the Laplace-Beltrami for SU (4).
Cite
@article{arxiv.1508.01652,
title = {Entanglement formation under random interactions},
author = {Christoph Wick and Jaegon Um and Haye Hinrichsen},
journal= {arXiv preprint arXiv:1508.01652},
year = {2016}
}
Comments
Latex, 24 pages, 4 figures, Supplement material in source archive