10-15 ottobre 2021
Europe/Rome timezone

Speeding up quantum annealing: schedule engineering and optimal driving

15 ott 2021, 12:35
25m
Oral Session 12

Speaker

Gianluca Passarelli (CNR-SPIN Napoli)

Description

Shortcuts to adiabaticity in adiabatic quantum computation can be realized either by optimal designs of the annealing schedules or by using external control fields, such as counterdiabatic (CD) driving operators. I will discuss how genetic algorithms can help in determining optimal annealing schedules. Secondly, I will introduce the variational approach to CD driving in closed quantum systems to build approximate CD operators, satisfying locality constraints. Finally, I will discuss a generalization of the variational approach to open quantum systems.

  1. P. R. Hegde, GP, A. Scocco, P. Lucignano, arXiv:2108.03185 (2021)
  2. GP, V. Cataudella, R. Fazio, P. Lucignano, PRResearch 2, 013283 (2020)
  3. GP, R. Fazio, P. Lucignano, arXiv:2109.13043 (2021)

Primary author

Gianluca Passarelli (CNR-SPIN Napoli)

Co-authors

Prof. Vittorio Cataudella (Università di Napoli Federico II) Rosario Fazio Mrs. Pratibha Raghupati Hegde (Università di Napoli Federico II) Dr. Procolo Lucignano (Università Federico II) Mrs. Annarita Scocco (Università di Napoli Federico II)

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