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News

• 13.03.19 Particle pair creation by inflation of quantum vacuum fluctuations in an ion trap, arXiv:1903.05523.
• 20.12.18 Interference in a Prototype of a two-dimensional Ion Trap Array Quantum Simulator,
  arXiv:1812.08552 .
• 01.05.18 Optical Trapping of Ion Coulomb Crystals, Phys. Rev. X  8, 021028 (2018) .
• 13.03.18 Hot off the press: Hybrid setup for stable magnetic fields enabling robust quantum control,
  Sci. Rep. 8, 4404 (2018) .
• 05.02.18 Measurement of quantum memory effects and its fundamental limitations, Phys. Rev. A 97, 020102(R) (2018) .
• 22.12.17 Optical trapping of ion Coulomb crystals: https://arxiv.org/abs/1712.08385  .
• 01.11.17 Nature News Feature featuring quantum thermodynamics: The new thermodynamics: how quantum physics is bending the rules, Nature 551, 20-22 (2017)  .
• 31.10.17 Long lifetime and effective isolation of ions in optical and electrostatic traps, Nature Photonics 11, 704-707 (2017)  .
• 12.10.17 Spectroscopy and Directed Transport of Topological Solitons in Crystals of Trapped Ions, Phys. Rev. Lett. 119, 153602 (2017)  Synopsis: Topological Defect on the Move
• 24.02.17 Memory effects and fundamental properties of non-Markovianity measures: Probing Quantum Memory Effects with High Resolution,  arXiv:1702.07518 (2017).
• 19.10.16 Time-resolved observation of thermalization in an isolated quantum system, Phys. Rev. Lett. 117, 170401 (2016).
• 21.09.16 Barium ions trapped optically for up to 3 seconds: https://arxiv.org/abs/1609.06429 .
• 01.08.16 Two new methods for motional-mode analysis for trapped atomic ions. Motional mode analysis of trapped ions, Phys. Rev. A 94, 023401 (2016) .
• 13.06.16 Prototype of a 2D-quantum simulator based on trapped atomic ions. Arrays of individually controlled ions suitable for two-dimensional quantum simulations, Nat. Commun. 7, 11839 (2016) .
• 25.09.15 We study thermalization and the emergence of statistical mechanics in an isolated quantum system by coupling a spin to a continuously scaled bosonic environment. http://arxiv.org/abs/1509.07712.
• 10.07.15 The physics institute at the Freiburger science fair; see here for more information (only german).
• 22.04.15 First lecture Fortgeschrittene Experimentalphysik für Lehramtsstudierende; you find more information here: Lehre (only german).
• 24.11.14 A far-off-resonance optical trap for a Ba+ ion, Nat. Commun. 5, (2014).
• 20.10.14 First lecture Experimentalphysik I; you find more information here: Lehre (only german).
• 30.07.14 Entanglement generation using discrete solitons in Coulomb crystals, Phys. Rev. Lett. 113, 053001 (2014)
• 09.05.14 New Paul trap at work: ions...! 
• 17.03.14 Decoherence-assisted spectroscopy of a single Mg+ ion, Phys. Rev. Lett. 112, 113003 (2014)
• 04.03.14 Popular science article published (in German): Qubits in der Mikrowelle, erschienen in Physik in Unserer Zeit 45, 72 (2014).
• 07.02.14 We demonstrate a novel high-resolution spectroscopy method in which the detection of single excitation events is enhanced by a complete loss of coherence of a superposition of two ground states. We employ this method on a Mg ion to measure one-, two-, and three-photon transition frequencies http://arxiv.org/abs/1402.1678] .
• 02.12.13 Mg ions trapped in a triangular arrangement with a 40-um trap distance .  

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