Brownian ratchets and pumps can universally approximate any local active dynamics in spin systems by harnessing heat currents or periodic driving.
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Coupling to mesoscopic reservoirs generates temperature-increasing entropic barriers that suppress topological defect creation and transport, yielding three-regime correlation lengths in 1D Ising chains and double error reduction in finite-size 2D toric codes.
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Brownian ratchets and pumps universally simulate many-body active dynamics
Brownian ratchets and pumps can universally approximate any local active dynamics in spin systems by harnessing heat currents or periodic driving.
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Entropic Barriers and the Kinetic Suppression of Topological Defects
Coupling to mesoscopic reservoirs generates temperature-increasing entropic barriers that suppress topological defect creation and transport, yielding three-regime correlation lengths in 1D Ising chains and double error reduction in finite-size 2D toric codes.