Dynamics of entanglement between quantum dot spin-qubits
Condensed Matter
2007-05-23 v1
Abstract
We briefly review the physics of gate operations between quantum dot spin-qubits and analyze the dynamics of quantum entanglement in such processes. The indistinguishable character of the electrons whose spins realize the qubits gives rise to further entanglement-like quantum correlations that go beyond simple antisymmetrization effects. We also summarize further recent results concerning this type of quantum correlations of indistinguishable particles. Finally we discuss decoherence properties of spin-qubits when coupled to surrounding nuclear spins in a semiconductor nanostructure
Cite
@article{arxiv.cond-mat/0212141,
title = {Dynamics of entanglement between quantum dot spin-qubits},
author = {John Schliemann and Daniel Loss},
journal= {arXiv preprint arXiv:cond-mat/0212141},
year = {2007}
}
Comments
22 pages, 7 figures included, to appear in the Proceedings of the E. Fermi School, "Quantum Phenomena of Mesoscopic Systems", 9 - 19 July 2002, Varenna, Italy