Abelian and non-abelian symmetries in infinite projected entangled pair states

We explore in detail the implementation of arbitrary abelian and non-abelian symmetries in the setting of infinite projected entangled pair states on the two-dimensional square lattice. We observe a large computational speed-up; easily allowing bond dimensions $D = 10$ in the square lattice Heise...

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Bibliographic Details
Main Author: Claudius Hubig
Format: Article
Language:English
Published: SciPost 2018-11-01
Series:SciPost Physics
Online Access:https://scipost.org/SciPostPhys.5.5.047