Proves a hybrid quantum TUR for N-S conductors valid for arbitrary superconducting gap by showing nonequilibrium excess noise has positive representation in scattering formalism.
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Classical thermodynamic uncertainty bounds on efficiency persist in quantum thermal machines with coherent transport, but cross-correlations optimize joint precision of currents near linear response.
Step-function transmissions in potential barriers reach within 15% of ideal quantum thermoelectric efficiency at finite power outputs and outperform Lorentzian transmissions from quantum dots, particularly when phonons are present.
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A thermodynamic uncertainty relation for (hybrid) N--S coherent conductors
Proves a hybrid quantum TUR for N-S conductors valid for arbitrary superconducting gap by showing nonequilibrium excess noise has positive representation in scattering formalism.
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Quantum Coherence Reshapes Thermodynamic Bounds for Thermal Machines
Classical thermodynamic uncertainty bounds on efficiency persist in quantum thermal machines with coherent transport, but cross-correlations optimize joint precision of currents near linear response.
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Potential barriers are nearly-ideal quantum thermoelectrics at finite power output
Step-function transmissions in potential barriers reach within 15% of ideal quantum thermoelectric efficiency at finite power outputs and outperform Lorentzian transmissions from quantum dots, particularly when phonons are present.