We investigate, theoretically and experimentally, the thermodynamic performance of a minimal three-qubit heat-bath algorithmic cooling refrigerator. We analytically compute the coefficient of performance, the cooling power, and the polarization of the target qubit for an arbitrary number of cycles, taking realistic experimental imperfections into account. We determine their fundamental upper bounds in the ideal reversible limit and show that these values may be experimentally approached using a system of three qubits in a nitrogen-vacancy center in diamond.
%0 Journal Article
%1 PhysRevLett.129.030601
%A Soldati, Rodolfo R.
%A Dasari, Durga B. R.
%A Wrachtrup, Jörg
%A Lutz, Eric
%D 2022
%I American Physical Society
%J Phys. Rev. Lett.
%K pi3 wrachtrup
%N 3
%P 030601
%R 10.1103/PhysRevLett.129.030601
%T Thermodynamics of a Minimal Algorithmic Cooling Refrigerator
%U https://link.aps.org/doi/10.1103/PhysRevLett.129.030601
%V 129
%X We investigate, theoretically and experimentally, the thermodynamic performance of a minimal three-qubit heat-bath algorithmic cooling refrigerator. We analytically compute the coefficient of performance, the cooling power, and the polarization of the target qubit for an arbitrary number of cycles, taking realistic experimental imperfections into account. We determine their fundamental upper bounds in the ideal reversible limit and show that these values may be experimentally approached using a system of three qubits in a nitrogen-vacancy center in diamond.
@article{PhysRevLett.129.030601,
abstract = {We investigate, theoretically and experimentally, the thermodynamic performance of a minimal three-qubit heat-bath algorithmic cooling refrigerator. We analytically compute the coefficient of performance, the cooling power, and the polarization of the target qubit for an arbitrary number of cycles, taking realistic experimental imperfections into account. We determine their fundamental upper bounds in the ideal reversible limit and show that these values may be experimentally approached using a system of three qubits in a nitrogen-vacancy center in diamond.},
added-at = {2022-11-15T08:47:33.000+0100},
author = {Soldati, Rodolfo R. and Dasari, Durga B. R. and Wrachtrup, J\"org and Lutz, Eric},
biburl = {https://puma.ub.uni-stuttgart.de/bibtex/2f7d351c7590c3a59f14aa5821c94e3bd/shirschmann},
doi = {10.1103/PhysRevLett.129.030601},
interhash = {ad3c17b1e61dab62a85523f97bfa7707},
intrahash = {f7d351c7590c3a59f14aa5821c94e3bd},
journal = {Phys. Rev. Lett.},
keywords = {pi3 wrachtrup},
month = jul,
number = 3,
numpages = {6},
pages = 030601,
publisher = {American Physical Society},
timestamp = {2022-11-15T07:47:33.000+0100},
title = {Thermodynamics of a Minimal Algorithmic Cooling Refrigerator},
url = {https://link.aps.org/doi/10.1103/PhysRevLett.129.030601},
volume = 129,
year = 2022
}
