Quantum Energy Lines and the optimal output ergotropy problem
Quantum Physics
2021-11-30 v3 Mathematical Physics
math.MP
Abstract
We study the transferring of useful energy (work) along a transmission line that allows for partial preservation of quantum coherence. As a figure of merit we adopt the maximum values that ergotropy, total ergotropy, and non-equilibrium free-energy attain at the output of the line for an assigned input energy threshold. For Phase-Invariant Bosonic Gaussian Channels (BGCs) models, we show that coherent inputs are optimal. For (one-mode) not Phase-Invariant BGCs we solve the optimization problem under the extra restriction of Gaussian input signals.
Cite
@article{arxiv.2104.11255,
title = {Quantum Energy Lines and the optimal output ergotropy problem},
author = {Salvatore Tirone and Raffaele Salvia and Vittorio Giovannetti},
journal= {arXiv preprint arXiv:2104.11255},
year = {2021}
}
Comments
6+12 pages, 1+4 figures