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CMT Seminar Jasper Smits

Speaker: Jasper Smits MSc. (Nanophotonics, Department of Physics, Utrecht University)

Title: Space-time crystals and spontaneous symmetry breaking in Bose-Einstein condensates

Abstract: In this talk I will recap the research on space-time crystals at the BEC Lab in Utrecht done in the past three years. I will give a short introduction to time crystals and describe the experiment performed, and the first observations of the space-time crystal in Utrecht. Subsequently, experimental methods were improved to come to a quantitative comparison between theory and experiment, studying both initial appearence of the space-time crystal pattern and the stable situation in the long-time limit. Finally, I discuss the latest results, studying the nature and dynamics of the broken symmetry involved in the formation of the space-time crystal.

References:
[1] J.S., L. Liao, H. T. C. Stoof, and P. van der Straten, Phys. Rev. Lett. 121, 185301 (2018)
[2] L. Liao, J.S., P. van der Straten, and H. T. C. Stoof, Phys. Rev. A 99, 013625 (2019)
[3] J.S., H. T. C. Stoof, P. van der Straten, New Journal of Physics 22, 105001 (2020)

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