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Title: Large-scale simulations of Floquet physics on near-term quantum computers

Journal Article · · npj Quantum Information
ORCiD logo [1]; ORCiD logo [2]; ORCiD logo [3]; ORCiD logo [4]; ORCiD logo [5]; ORCiD logo [4]; ORCiD logo [4]; ORCiD logo [6]
  1. Freidrich Alexander Univ. Erlangen-Nürnberg (FAU), Erlangen (Germany); Max Planck Institute for the Science of Light (MPL), Erlangen (Germany); Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
  2. Freidrich Alexander Univ. Erlangen-Nürnberg (FAU), Erlangen (Germany)
  3. Jagiellonian Univ., Krakow (Poland)
  4. Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
  5. Freidrich Alexander Univ. Erlangen-Nürnberg (FAU), Erlangen (Germany); Max Planck Institute for the Science of Light (MPL), Erlangen (Germany)
  6. Los Alamos National Laboratory (LANL), Los Alamos, NM (United States); Ecole Polytechnique Federale Lausanne (EPFL) (Switzerland)

Periodically driven quantum systems exhibit a diverse set of phenomena but are more challenging to simulate than their equilibrium counterparts. Here, we introduce the Quantum High-Frequency Floquet Simulation (QHiFFS) algorithm as a method to simulate fast-driven quantum systems on quantum hardware. Central to QHiFFS is the concept of a kick operator which transforms the system into a basis where the dynamics is governed by a time-independent effective Hamiltonian. This allows prior methods for time-independent simulation to be lifted to simulate Floquet systems. We use the periodically driven biaxial next-nearest neighbor Ising (BNNNI) model, a natural test bed for quantum frustrated magnetism and criticality, as a case study to illustrate our algorithm. We implemented a 20-qubit simulation of the driven two-dimensional BNNNI model on Quantinuum’s trapped ion quantum computer. Our error analysis shows that QHiFFS exhibits not only a cubic advantage in driving frequency ω but also a linear advantage in simulation time t compared to Trotterization.

Research Organization:
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
Sponsoring Organization:
Federal Ministry of Education and Research (BMBF); USDOE Laboratory Directed Research and Development (LDRD) Program; USDOE National Nuclear Security Administration (NNSA); USDOE Office of Science (SC), Basic Energy Sciences (BES). Scientific User Facilities (SUF)
Grant/Contract Number:
89233218CNA000001; AC05-00OR22725
OSTI ID:
2440899
Report Number(s):
LA-UR--23-22062
Journal Information:
npj Quantum Information, Journal Name: npj Quantum Information Journal Issue: 1 Vol. 10; ISSN 2056-6387
Publisher:
Nature Partner JournalsCopyright Statement
Country of Publication:
United States
Language:
English

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