Publication Date:
2015-03-26
Description:
Author(s): W. Dür, P. Sekatski, and M. Skotiniotis We show that one can deterministically generate, out of N copies of an unknown unitary operation, up to N 2 almost perfect copies. The result holds for all operations generated by a Hamiltonian with an unknown interaction strength. This generalizes a similar result in the context of phase-covariant c... [Phys. Rev. Lett. 114, 120503] Published Wed Mar 25, 2015
Keywords:
General Physics: Statistical and Quantum Mechanics, Quantum Information, etc.
Print ISSN:
0031-9007
Electronic ISSN:
1079-7114
Topics:
Physics