Simulation of one-dimensional quantum systems with a global SU(2) symmetry

Sukhwinder Singh*, Huan Qiang Zhou, Guifre Vidal

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

38 Citations (Scopus)

Abstract

In this paper, we describe a refined matrix product representation for many-body states that are invariant under SU(2) transformations and use it to extend the time-evolving block decimation (TEBD) algorithm to the simulation of time evolution in the presence of an SU(2) symmetry. The resulting algorithm, when tested in a critical quantum spin chain, proved to be more efficient than the standard TEBD.

Original languageEnglish
Article number033029
JournalNew Journal of Physics
Volume12
DOIs
Publication statusPublished - 16 Mar 2010

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