pith. sign in

arxiv: 0706.3204 · v2 · submitted 2007-06-21 · 🪐 quant-ph

Optimal purifications and fidelity for displaced thermal states

classification 🪐 quant-ph
keywords statesdisplacedfidelitypurificationsoptimalthermalappropriatedefining
0
0 comments X
read the original abstract

We evaluate the Uhlmann fidelity between two one-mode displaced thermal states as the maximal probability transition between appropriate purifications of the given states. The optimal purifications defining the fidelity are proved to be two-mode displaced Gaussian states.

This paper has not been read by Pith yet.

discussion (0)

Sign in with ORCID, Apple, or X to comment. Anyone can read and Pith papers without signing in.