Preprint
Sep 2026
Characterizing quantum precision enhancement for multiple currents in open quantum systems
The kinetic uncertainty relation (KUR) constrains fluctuations of individual currents in classical nonequilibrium systems in terms of the dynamical activity, which quantifies the average number of transitions per unit of time. Here, we derive a multi-current KUR (MKUR) establishing the precision limit for multiple curr...
Khalak Mahadeviya, Sheikh Parvez Mandal, Mahasweta Pandit et al.
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