Interaction induced quasi-particle spectrum in holographyopen access
- Authors
- Song, Geunho; Seo, Yunseok; Kim, Keun-Young; Sin, Sang-Jin
- Issue Date
- Nov-2019
- Publisher
- SPRINGER
- Keywords
- Holography and condensed matter physics (AdS/CMT); AdS-CFT Correspondence; Gauge-gravity correspondence
- Citation
- JOURNAL OF HIGH ENERGY PHYSICS, no.11, pp.1 - 20
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF HIGH ENERGY PHYSICS
- Number
- 11
- Start Page
- 1
- End Page
- 20
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/146888
- DOI
- 10.1007/JHEP11(2019)103
- ISSN
- 1126-6708
- Abstract
- It is often said that interactions destroy the particle nature of excitations. We report that, in holographic theory adding interaction term can create a new quasi particle spectrum, on the contrary. We show this by calculating the optical conductivity in a model with exact background solution and finding a new quasi-particle spectrum. Such new poles are consequence of some non-minimal interaction like Chern-Simon term. We also point out that the origin of the new peak in our example is the vortex formation by the anomalous magnetic moment induced by the interaction term.
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