Sebastian Diehls_diehl

Assistant Professor of Theoretical Physics
PhD 2006, University of Heidelberg


Sebastian Diehl’s research is located on the interface of quantum optics and many-body physics. In ultracold quantum gases, these areas increasingly merge together. Certain systems call for a description as open many-body systems, in which coherent and dissipative dynamics compete. This concerns natural occurrences of dissipation such as atom loss, but also instances of engineered driven-dissipative dynamics. There, dissipation may not occur as a perturbation, but rather as dominant resource of many-body dynamics, allowing for counter-intuitive effects such as dissipatively induced quantum order. A deeper understanding requires new theoretical tools, which combine concepts of quantum optics with modern field theoretical techniques.


  • Dissipation-Induced d-Wave Pairing of Fermionic Atoms in an Optical, S. Diehl, W. Yi, A. J. Daley, P. Zoller, Phys. Rev. Lett. 105, 227001 (2010).

  • Dynamical Phase Transitions and Instabilities in Open Atomic Many-Body Systems, S. Diehl, A. Tomadin, A. Micheli, R. Fazio, P. Zoller, Phys. Rev. Lett. 105, 015702 (2010).

  • Observability of Quantum Criticality and a Continuous Supersolid in Atomic Gases, S. Diehl, M. Baranov, A. J. Daley, P. Zoller, Phys. Rev. Lett. 104, 165301 (2010).

  • Quantum States and Phases in Driven Open Quantum Systems with Cold Atoms, S. Diehl, A. Micheli, A. Kantian, B. Kraus, H. Buechler, P. Zoller, Nature Physics 4, 878 (2008). 

  • Flow Equations for the BCS- BEC Crossover, S. Diehl, H. Gies, J. M. Pawlowski, C. Wetterich, Phys. Rev. A 76, 021602(R) (2007).


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Related Links

Institute of Theoretical Physics, Univ. Innsbruck 

IQOQI, Austrian Academy of Sciences

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