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Quantum Simulation
Cooling classical many-spin systems using feedback control
arXiv
Authors: Tarek A. Elsayed, Boris V. Fine
Year
2020
Paper ID
19191
Status
Preprint
Abstract Read
~2 min
Abstract Words
91
Citations
N/A
Abstract
We propose a technique for polarizing and cooling finite many-body classical systems using feedback control. The technique requires the system to have one collective degree of freedom conserved by the internal dynamics. The fluctuations of other degrees of freedom are then converted into the growth of the conserved one. The proposal is validated using numerical simulations of classical spin systems in a setting representative of Nuclear Magnetic Resonance experiments. In particular, we were able to achieve 90 percent polarization for a lattice of 1000 classical spins starting from an unpolarized infinite temperature state.
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- This paper contributes to the Quantum Simulation research area in the Quantum Articles archive.
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- We propose a technique for polarizing and cooling finite many-body classical systems using feedback control.
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