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- Sebastian Deffner, Eric Lutz
- Physical review letters
- 2013

We derive a Margolus-Levitin-type bound on the minimal evolution time of an arbitrarily driven open quantum system. We express this quantum speed limit time in terms of the operator norm of theâ€¦ (More)

- Sebastian Deffner, Eric Lutz
- Physical review. E, Statistical, nonlinear, andâ€¦
- 2008

We calculate analytically the work distribution of a quantum harmonic oscillator with arbitrary time-dependent angular frequency. We provide detailed expressions for the work probability density forâ€¦ (More)

- Obinna Abah, Johannes RoÃŸnagel, +4 authors Eric Lutz
- Physical review letters
- 2012

We propose an experimental scheme to realize a nanoheat engine with a single ion. An Otto cycle may be implemented by confining the ion in a linear Paul trap with tapered geometry and coupling it toâ€¦ (More)

- Sebastian Deffner, Eric Lutz
- Physical review letters
- 2010

We show that the nonequilibrium entropy production for a driven quantum system is larger than the Bures length, the geometric distance between its actual state and the corresponding equilibriumâ€¦ (More)

- Andres D. Cimmarusti, Zhihui Yan, Burkley Delesdernier Patterson, L P Corcos, L. A. Orozco, Sebastian Deffner
- Physical review letters
- 2015

We measure the quantum speed of the state evolution of the field in a weakly driven optical cavity QED system. To this end, the mode of the electromagnetic field is considered as a quantum system ofâ€¦ (More)

Sebastian Deffner, Christopher Jarzynski, and Adolfo del Campo Department of Chemistry and Biochemistry and Institute for Physical Science and Technology, University of Maryland, College Park,â€¦ (More)

- Steve Campbell, Sebastian Deffner
- Physical review letters
- 2017

Achieving effectively adiabatic dynamics is a ubiquitous goal in almost all areas of quantum physics. Here, we study the speed with which a quantum system can be driven when employing transitionlessâ€¦ (More)

- Gerhard Huber, Ferdinand Schmidt-Kaler, Sebastian Deffner, Eric Lutz
- Physical review letters
- 2008

We propose a scheme to investigate the nonequilibrium work distribution of a quantum particle under well controlled transformations of the external potential, exploiting the versatility of a singleâ€¦ (More)

- Sebastian Deffner, Eric Lutz
- Physical review letters
- 2011

We consider open quantum systems weakly coupled to a heat reservoir and driven by arbitrary time-dependent parameters. We derive exact microscopic expressions for the nonequilibrium entropyâ€¦ (More)

- BartÅ‚omiej Gardas, Sebastian Deffner
- Physical review. E, Statistical, nonlinear, andâ€¦
- 2015

The Carnot statement of the second law of thermodynamics poses an upper limit on the efficiency of all heat engines. Recently, it has been studied whether generic quantum features such as coherenceâ€¦ (More)