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Quantum Algorithms

Domain wall topological entanglement entropy

arXiv
Authors: Bowen Shi, Isaac H. Kim

Year

2020

Paper ID

21174

Status

Preprint

Abstract Read

~2 min

Abstract Words

60

Citations

N/A

Abstract

We study the ground-state entanglement of gapped domain walls between topologically ordered systems in two spatial dimensions. We derive a universal correction to the ground-state entanglement entropy, which is equal to the logarithm of the total quantum dimension of a set of superselection sectors localized on the domain wall. This expression is derived from the recently proposed entanglement bootstrap method.

Why This Paper Matters

  • It adds a 2020 reference point for readers tracking recent quantum research.
  • We study the ground-state entanglement of gapped domain walls between topologically ordered systems in two spatial dimensions.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2008.11794 [2] arXiv https://arxiv.org/abs/2008.11794 [3] Publisher https://arxiv.org/abs/2008.11794

Local Citation Graph (Related-Paper Links)

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