SCOAP3 Repository 7 records found  Search took 0.03 seconds. 
1. From the Weyl Anomaly to Entropy of Two-Dimensional Boundaries and Defects / Jensen, Kristan ; O’Bannon, Andy ; Robinson, Brandon ; Rodgers, Ronnie
We study whether the relations between the Weyl anomaly, entanglement entropy (EE), and thermal entropy of a two-dimensional (2D) conformal field theory (CFT) extend to 2D boundaries of 3D CFTs, or 2D defects of D3 CFTs. [...]
Published in Physical Review Letters 122 (2019) 10.1103/PhysRevLett.122.241602
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2. Wilson surface central charge from holographic entanglement entropy / Estes, John ; Krym, Darya ; O’Bannon, Andy ; Robinson, Brandon ; et al
We use entanglement entropy to define a central charge associated to a twodimensional defect or boundary in a conformal field theory (CFT). [...]
Published in JHEP 1905 (2019) 032 10.1007/JHEP05(2019)032 arXiv:1812.00923
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3. Holographic zero sound from spacetime-filling branes / Gushterov, Nikola ; O’Bannon, Andy ; Rodgers, Ronnie
We use holography to study sound modes of strongly-interacting conformal field theories with non-zero temperature, T , and U(1) chemical potential, μ . [...]
Published in JHEP 1810 (2018) 076 10.1007/JHEP10(2018)076 arXiv:1807.11327
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4. On holographic entanglement density / Gushterov, Nikola ; O’Bannon, Andy ; Rodgers, Ronnie
We use holographic duality to study the entanglement entropy (EE) of Conformal Field Theories (CFTs) in various spacetime dimensions d , in the presence of various deformations: a relevant Lorentz scalar operator with constant source, a temperature T , a chemical potential μ , a marginal Lorentz scalar operator with source linear in a spatial coordinate, and a circle-compactified spatial direction. [...]
Published in JHEP 1710 (2017) 137 10.1007/JHEP10(2017)137 arXiv:1708.09376
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5. Two-point functions in a holographic Kondo model / Erdmenger, Johanna ; Hoyos, Carlos ; O’Bannon, Andy ; Papadimitriou, Ioannis ; et al
We develop the formalism of holographic renormalization to compute two-point functions in a holographic Kondo model. [...]
Published in JHEP 1703 (2017) 039 10.1007/JHEP03(2017)039 arXiv:1612.02005
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6. A holographic two-impurity Kondo model / O’Bannon, Andy ; Papadimitriou, Ioannis ; Probst, Jonas
We propose a model of a strongly-interacting two-impurity Kondo system based on the Anti-de Sitter/Conformal Field Theory (AdS/CFT) correspondence, also known as holography. [...]
Published in JHEP 1601 (2016) 103 10.1007/JHEP01(2016)103 arXiv:1510.08123
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7. On holographic defect entropy / Estes, John ; Jensen, Kristan ; O’Bannon, Andy ; Tsatis, Efstratios ; et al
We study a number of (3 + 1)- and (2 + 1)-dimensional defect and boundary conformal field theories holographically dual to supergravity theories. [...]
Published in JHEP 1405 (2014) 084 10.1007/JHEP05(2014)084 arXiv:1403.6475
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