RQC Seminar

195th RQC Seminar

• Speaker

  Prof. Sandro Wimberger
  ( University of Parma, and INFN (National Institute for Nuclear Physics), Italy )

• Date

  16:00-17:00 (4:00 p.m. - 5:00 p.m.), May 15, 2025 (Thursday)

• Venue

  Hybrid(ZOOM・ Wako Main Research 3F 345-347 Seminar Room / 研究本館3階 セミナー室 (345-347) (C01))

• Title

  Quantum Control by Fast Driving

• Inquiries

  norilab_rqc_assist[at]ml.riken.jp

Abstract
We present a scheme for the systematic design of quantum control protocols based on shortcuts to adiabaticity. To fight decoherence, the adiabatic dynamics is accelerated by introducing high-frequency modulations in the control Hamiltonian, which mimic a time-dependent counterdiabatic correction. We present several applications for the high-fidelity realization of quantum state transfers and quantum gates based on effective counterdiabatic driving, in platforms ranging from superconducting circuits to Rydberg atoms [1]. We briefly sketch as well related ideas to control many-body interactions [2] and evolution errors by compensating terms in the Hamiltonian [3].

References
[1] F. Petiziol, F. Mintert, S. Wimberger, EPL 145, 15001 (2024)
[2] S. Dengis, S. Wimberger, P. Schlagheck, PRA 111, L031301 (2025)
[3] M. Delvecchio, F. Petiziol, E. Arimondo, S. Wimberger, PRA 105, 042431 (2022)