Thermodynamic uncertainty relation for underdamped dynamics driven by time-dependent protocols
arXiv:2106.02272 · doi:10.1088/1367-2630/ac2c8f
Abstract
The thermodynamic uncertainty relation (TUR) for underdamped dynamics has intriguing problems while its counterpart for overdamped dynamics has recently been derived. Even for the case of steady states, a proper way to match underdamped and overdamped TURs has not been found. We derive the TUR for underdamped systems subject to general time-dependent protocols, that covers steady states, by using the Cramér-Rao inequality. We show the resultant TUR to give rise to the inequality of the product of the variance and entropy production. We prove it to approach to the known overdamped result for large viscosity limit. We present three examples to confirm our rigorous result.
arXiv comment6 pages, 3 figures
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