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Quantum Brownian motion under generalized position measurements: A converse Zeno scenario
L. Magazzù, P. Talkner, P. Hänggi
We study the quantum Brownian motion of a harmonic oscillator undergoing a sequence of generalized position measurements. Our exact analytical results capture the interplay of the…
Quantum resonant activation
Luca Magazzù, Peter Hänggi, Bernardo Spagnolo +1
Quantum resonant activation is investigated for the archetype setup of an externally driven two-state (spin-boson) system subjected to strong dissipation by means of both analytica…
Aspects of work
Peter Talkner, Peter Hanggi
Various approaches of defining and determining work performed on a quantum system are compared. Any operational definition of work, however, must allow for two facts, first, that w…
Qubit interference at avoided crossings: The role of driving shape and bath coupling
Ralf Blattmann, Sigmund Kohler, Peter Hänggi
We derive the structure of the Landau-Zener-Stückelberg-Majorana (LZSM) interference pattern for a qubit that experiences quantum dissipation and is additionally subjected to time-…
Boosting work characteristics and overall heat engine performance via shortcuts to adiabaticity: quantum and classical systems
Jiawen Deng, Qing-hai Wang, Zhihao Liu +2
Under a general framework, shortcuts to adiabatic processes are shown to be possible in classical systems. We then study the distribution function of the work done on a small syste…
Employing Circuit QED to Measure Nonequilibrium Work Fluctuations
Michele Campisi, Ralf Blattmann, Sigmund Kohler +2
We study an interferometric method for the measurement of the statistics of work performed on a driven quantum system, which has been put forward recently [Dorner et al., Phys. Rev…