Quantum annealing of pure and random Ising chains coupled to a bosonic environment

Research output: Contribution to journalReview article

Abstract

We study quantum annealing of pure and random transverse Ising chains that are coupled to boson baths, using a novel numerical method based on the combination of the quasi-adiabatic propagation path integral (QUAPI) and matrix product state (MPS) formalisms. We present numerical results on systems with up to 64 spins and conclude that the baths disturb quantum annealing of pure and random Ising chains. The numerical method of computing the reduced density matrix is described in detail.

Original languageEnglish
Article number061003
Journaljournal of the physical society of japan
Volume88
Issue number6
DOIs
Publication statusPublished - 2019 Jan 1

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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