Activities

  1. constructing large period discrete time crystals with quantum repetition codes

Raditya Bomantara

University of Sydney, Australia

9 September 2021 Thu 4 pm

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                                      IBS Center for Theoretical Physics of Complex Systems (PCS), Administrative Office (B349), Theory Wing, 3rd floor

                                      Expo-ro 55, Yuseong-gu, Daejeon, South Korea, 34126 Tel: +82-42-878-8633                     

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I will talk about my recent work (arXiv:2102.09113), which discusses how the idea of quantum repetition codes can be adapted to understand discrete time crystals and be further utilized to construct a general family of such phases of matter. The talk will start with some basic introduction to discrete time crystals  and quantum repetition codes (no prior knowledge is required). I will then talk about the new physics that I have uncovered in the preprint, which includes the construction of 2^nT-periodic discrete time crystals, the intuition behind such a construction, as well as some encouraging numerical results.

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