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Article: Loop Braiding Statistics and Interacting Fermionic Symmetry-Protected Topological Phases in Three Dimensions
Title | Loop Braiding Statistics and Interacting Fermionic Symmetry-Protected Topological Phases in Three Dimensions |
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Authors | |
Issue Date | 2018 |
Publisher | American Physical Society. The Journal's web site is located at http://journals.aps.org/prx/ |
Citation | Physical Review X, 2018, v. 8 n. 1, article no. 011054 How to Cite? |
Abstract | © 2018 authors. Published by the American Physical Society. We study Abelian braiding statistics of loop excitations in three-dimensional gauge theories with fermionic particles and the closely related problem of classifying 3D fermionic symmetry-protected topological (FSPT) phases with unitary symmetries. It is known that the two problems are related by turning FSPT phases into gauge theories through gauging the global symmetry of the former. We show that there exist certain types of Abelian loop braiding statistics that are allowed only in the presence of fermionic particles, which correspond to 3D "intrinsic" FSPT phases, i.e., those that do not stem from bosonic SPT phases. While such intrinsic FSPT phases are ubiquitous in 2D systems and in 3D systems with antiunitary symmetries, their existence in 3D systems with unitary symmetries was not confirmed previously due to the fact that strong interaction is necessary to realize them. We show that the simplest unitary symmetry to support 3D intrinsic FSPT phases is Z2×Z4. To establish the results, we first derive a complete set of physical constraints on Abelian loop braiding statistics. Solving the constraints, we obtain all possible Abelian loop braiding statistics in 3D gauge theories, including those that correspond to intrinsic FSPT phases. Then, we construct exactly soluble state-sum models to realize the loop braiding statistics. These state-sum models generalize the well-known Crane-Yetter and Dijkgraaf-Witten models. |
Persistent Identifier | http://hdl.handle.net/10722/267090 |
ISSN | 2023 Impact Factor: 11.6 2023 SCImago Journal Rankings: 5.896 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Cheng, Meng | - |
dc.contributor.author | Tantivasadakarn, Nathanan | - |
dc.contributor.author | Wang, Chenjie | - |
dc.date.accessioned | 2019-01-31T07:20:29Z | - |
dc.date.available | 2019-01-31T07:20:29Z | - |
dc.date.issued | 2018 | - |
dc.identifier.citation | Physical Review X, 2018, v. 8 n. 1, article no. 011054 | - |
dc.identifier.issn | 2160-3308 | - |
dc.identifier.uri | http://hdl.handle.net/10722/267090 | - |
dc.description.abstract | © 2018 authors. Published by the American Physical Society. We study Abelian braiding statistics of loop excitations in three-dimensional gauge theories with fermionic particles and the closely related problem of classifying 3D fermionic symmetry-protected topological (FSPT) phases with unitary symmetries. It is known that the two problems are related by turning FSPT phases into gauge theories through gauging the global symmetry of the former. We show that there exist certain types of Abelian loop braiding statistics that are allowed only in the presence of fermionic particles, which correspond to 3D "intrinsic" FSPT phases, i.e., those that do not stem from bosonic SPT phases. While such intrinsic FSPT phases are ubiquitous in 2D systems and in 3D systems with antiunitary symmetries, their existence in 3D systems with unitary symmetries was not confirmed previously due to the fact that strong interaction is necessary to realize them. We show that the simplest unitary symmetry to support 3D intrinsic FSPT phases is Z2×Z4. To establish the results, we first derive a complete set of physical constraints on Abelian loop braiding statistics. Solving the constraints, we obtain all possible Abelian loop braiding statistics in 3D gauge theories, including those that correspond to intrinsic FSPT phases. Then, we construct exactly soluble state-sum models to realize the loop braiding statistics. These state-sum models generalize the well-known Crane-Yetter and Dijkgraaf-Witten models. | - |
dc.language | eng | - |
dc.publisher | American Physical Society. The Journal's web site is located at http://journals.aps.org/prx/ | - |
dc.relation.ispartof | Physical Review X | - |
dc.rights | This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. | - |
dc.title | Loop Braiding Statistics and Interacting Fermionic Symmetry-Protected Topological Phases in Three Dimensions | - |
dc.type | Article | - |
dc.description.nature | published_or_final_version | - |
dc.identifier.doi | 10.1103/PhysRevX.8.011054 | - |
dc.identifier.scopus | eid_2-s2.0-85047178607 | - |
dc.identifier.volume | 8 | - |
dc.identifier.issue | 1 | - |
dc.identifier.spage | article no. 011054 | - |
dc.identifier.epage | article no. 011054 | - |
dc.identifier.isi | WOS:000428782100001 | - |
dc.identifier.issnl | 2160-3308 | - |