Corpus ID: 236428696

Ancilla assisted Discrete Time Crystals in Non-interacting Spin Systems

  title={Ancilla assisted Discrete Time Crystals in Non-interacting Spin Systems},
  author={Jianpei Geng and Vadim Vorobyov and Durga Bhaktavatsala Rao Dasari and Joerg Wrachtrup},
We show here through experiments and exact analytical models the emergence of discrete time translation symmetry breaking in non-interacting systems. These time-periodic structures become stable against perturbations only in the presence of their interaction with their ancillary quantum system and display subharmonic response over a range of rotation angle errors. We demonstrate this effect for central spin and spin-mechanical systems, where the ancillary induced interaction among the spins… Expand

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