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Holographic timelike superconductor
KTH, Centres, Nordic Institute for Theoretical Physics NORDITA. Stockholm University, Hannes Alfvéns väg 12, SE-106 91, Stockholm, Sweden, Hannes Alfvéns väg 12.ORCID iD: 0000-0001-8789-8703
Nordita SU.
2024 (English)In: Journal of High Energy Physics (JHEP), ISSN 1126-6708, E-ISSN 1029-8479, Vol. 2024, no 3, article id 11Article in journal (Refereed) Published
Abstract [en]

We explore the state of matter characterized by the charged timelike vector order parameter. We employ holographic duality in order to construct such a state and study its thermoelectric transport, fermionic spectral function and the character of the Meissner effect. We uncover the unusual features of this “timelike superconductor”: the absence of the gap in the fermionic spectrum and co-existence of Drude peak and supercurrent in the AC transport, which are reminiscent to those of time-reversal-odd and gapless superconductors, correspondingly. We show that this state is dynamically stable and thermodynamically at least metastable. Along the way we develop the holographic model of the charged vector field, which acquires mass due to a variant of the Stueckelberg mechanism with the adjoint Higgs field.

Place, publisher, year, edition, pages
Springer Science and Business Media Deutschland GmbH , 2024. Vol. 2024, no 3, article id 11
Keywords [en]
Discrete Symmetries, Higher Spin Symmetry, Holography and Condensed Matter Physics (AdS/CMT)
National Category
Condensed Matter Physics
Identifiers
URN: urn:nbn:se:kth:diva-344333DOI: 10.1007/JHEP03(2024)011Scopus ID: 2-s2.0-85186552584OAI: oai:DiVA.org:kth-344333DiVA, id: diva2:1844336
Note

QC 20240314

Available from: 2024-03-13 Created: 2024-03-13 Last updated: 2024-03-14Bibliographically approved

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Krikun, Alexander

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