We model the quantum computer hardware as a two-dimensional lattice of qubits with static imperfections, i.e. fluctuations in individual qubit energies and residual short-range inter-qubit couplings. We show that these imperfections can lead to the emergence of quantum chaos and dynamical thermalization also in a quantum computer ideally decoupled from the environment. We discuss their effect on the stability of (i) the quantum computer hardware and (ii) an efficient quantum algorithm simulating a physical model with rich and complex dynamics described by the quantum sawtooth map.

Effects of static imperfections for quantum computing

BENENTI, GIULIANO;CASATI, GIULIO
2003

Abstract

We model the quantum computer hardware as a two-dimensional lattice of qubits with static imperfections, i.e. fluctuations in individual qubit energies and residual short-range inter-qubit couplings. We show that these imperfections can lead to the emergence of quantum chaos and dynamical thermalization also in a quantum computer ideally decoupled from the environment. We discuss their effect on the stability of (i) the quantum computer hardware and (ii) an efficient quantum algorithm simulating a physical model with rich and complex dynamics described by the quantum sawtooth map.
Antoniou I., Sadovnichy V.A., Walther H.
Solvay Conference on The physics of communication
9789812384492
The physics of communication
Delphi, Greece
24-39 November 2001
File in questo prodotto:
Non ci sono file associati a questo prodotto.

I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.

Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11383/18790
Citazioni
  • ???jsp.display-item.citation.pmc??? ND
  • Scopus ND
  • ???jsp.display-item.citation.isi??? ND
social impact