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| Title: | Entanglement entropy in generalised quantum Lifshitz models |
| Author: |
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| Date: | 2019-08-01 |
| Language: | English |
| Scope: | 72 |
| University/Institute: | Háskóli Íslands University of Iceland |
| School: | Verkfræði- og náttúruvísindasvið (HÍ) School of Engineering and Natural Sciences (UI) |
| Department: | Raunvísindastofnun (HÍ) Science Institute (UI) |
| Series: | Journal of High Energy Physics;2019(8) |
| ISSN: | 1029-8479 |
| DOI: | 10.1007/JHEP08(2019)072 |
| Subject: | Conformal Field Theory; Field Theories in Higher Dimensions; Eðlisfræði; Skammtafræði |
| URI: | https://hdl.handle.net/20.500.11815/1660 |
Citation:Angel-Ramelli, J., Puletti, V.G.M. & Thorlacius, L. Entanglement entropy in generalised quantum Lifshitz models. Journal of High Energy Physics. 2019, 72 (2019). https://doi.org/10.1007/JHEP08(2019)072
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Abstract:We compute universal finite corrections to entanglement entropy for generalised quantum Lifshitz models in arbitrary odd spacetime dimensions. These are generalised free field theories with Lifshitz scaling symmetry, where the dynamical critical exponent z equals the number of spatial dimensions d, and which generalise the 2+1-dimensional quantum Lifshitz model to higher dimensions. We analyse two cases: one where the spatial manifold is a d-dimensional sphere and the entanglement entropy is evaluated for a hemisphere, and another where a d-dimensional flat torus is divided into two cylinders. In both examples the finite universal terms in the entanglement entropy are scale invariant and depend on the compactification radius of the scalar field.
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Description:Publisher's version (útgefin grein)
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Rights:This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited
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