Boundary modes in the Chamon model

Fontana, Weslei Bernardino; Pereira, Rodrigo G.

doi:10.21468/SciPostPhys.15.1.010

SciPost Physics

Boundary modes in the Chamon model

Weslei B. Fontana, Rodrigo G. Pereira

SciPost Phys. 15, 010 (2023) · published 17 July 2023

doi: 10.21468/SciPostPhys.15.1.010
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Abstract

We study the fracton phase described by the Chamon model in a manifold with a boundary. The new processess and excitations emerging at the boundary can be understood by means of a diagrammatic framework. From a continuum perspective, the boundary theory is described by a set of scalar fields in similarity with standard $K$-matrix Chern-Simons theory. The continuum theory recovers the gapped boundaries of the lattice model once we include sufficiently strong interactions that break charge conservation. The analysis of the perturbative relevance of the leading interactions reveals a regime in which the Chamon model can have a stable gapless fractonic phase at its boundary.

TY  - JOUR
PB  - SciPost Foundation
DO  - 10.21468/SciPostPhys.15.1.010
TI  - Boundary modes in the Chamon model
PY  - 2023/07/17
UR  - https://scipost.org/SciPostPhys.15.1.010
JF  - SciPost Physics
JA  - SciPost Phys.
VL  - 15
IS  - 1
SP  - 010
A1  - Fontana, Weslei Bernardino
AU  - Pereira, Rodrigo G.
AB  - We study the fracton phase described by the Chamon model in a manifold with a boundary. The new processess and excitations emerging at the boundary can be understood by means of a diagrammatic framework. From a continuum perspective, the boundary theory is described by a set of scalar fields in similarity with standard $K$-matrix Chern-Simons theory. The continuum theory recovers the gapped boundaries of the lattice model once we include sufficiently strong interactions that break charge conservation. The analysis of the perturbative relevance of the leading interactions reveals a regime in which the Chamon model can have a stable gapless fractonic phase at its boundary.
ER  -

@Article{10.21468/SciPostPhys.15.1.010,
	title={{Boundary modes in the Chamon model}},
	author={Weslei B. Fontana and Rodrigo G. Pereira},
	journal={SciPost Phys.},
	volume={15},
	pages={010},
	year={2023},
	publisher={SciPost},
	doi={10.21468/SciPostPhys.15.1.010},
	url={https://scipost.org/10.21468/SciPostPhys.15.1.010},
}

Cited by 5

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¹ Weslei Bernardino Fontana,
¹ Rodrigo G. Pereira

¹ Universidade Federal do Rio Grande do Norte / Federal University of Rio Grande do Norte [UFRN]

Funders for the research work leading to this publication