SCOAP3 Repository 9 records found  Search took 0.04 seconds. 
1. Leading order CFT analysis of multi-scalar theories in d>2 / Codello, A. ; Safari, M. ; Vacca, G. P. ; Zanusso, O.
We investigate multi-field multicritical scalar theories using CFT constraints on two- and three-point functions combined with the Schwinger–Dyson equation. [...]
Published in EPJC 79 (2019) 331 10.1140/epjc/s10052-019-6817-1
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2. Renormalization of multicritical scalar models in curved space / Martini, Riccardo ; Zanusso, Omar
We consider the leading order perturbative renormalization of the multicritical ϕ2n models and some generalizations in curved space. [...]
Published in EPJC 79 (2019) 203 10.1140/epjc/s10052-019-6721-8
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3. Form factors and decoupling of matter fields in four-dimensional gravity / Franchino-Viñas, Sebastián A. ; de Paula Netto, Tibério ; Shapiro, Ilya L. ; Zanusso, Omar
We extend previous calculations of the non-local form factors of semiclassical gravity in 4 D to include the Einstein–Hilbert term. [...]
Published in Physics letters B 790 (2019) 229-236 10.1016/j.physletb.2019.01.021
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4. Gravitational form factors and decoupling in 2 D / Ribeiro, Tiago G. ; Shapiro, Ilya L. ; Zanusso, Omar
We calculate and analyse non-local gravitational form factors induced by quantum matter fields in curved two-dimensional space. [...]
Published in Physics letters B (2018) 10.1016/j.physletb.2018.05.049
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5. Functional perturbative RG and CFT data in the ϵ -expansion / Codello, A. ; Safari, M. ; Vacca, G. P. ; Zanusso, O.
We show how the use of standard perturbative RG in dimensional regularization allows for a renormalization group-based computation of both the spectrum and a family of coefficients of the operator product expansion (OPE) for a given universality class. [...]
Published in EPJC 78 (2018) 30 10.1140/epjc/s10052-017-5505-2
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6. A functional perspective on emergent supersymmetry / Gies, Holger ; Hellwig, Tobias ; Wipf, Andreas ; Zanusso, Omar
We investigate the emergence of N $$ \mathcal{N} $$ = 1 supersymmetry in the long-range behavior of three-dimensional parity-symmetric Yukawa systems. [...]
Published in JHEP 1712 (2017) 132 10.1007/JHEP12(2017)132 arXiv:1705.08312
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7. Leading CFT constraints on multi-critical models in d > 2 / Codello, Alessandro ; Safari, Mahmoud ; Vacca, Gian ; Zanusso, Omar
We consider the family of renormalizable scalar QFTs with self-interacting potentials of highest monomial ϕ m below their upper critical dimensions d c = 2 m m − 2 $$ {d}_c=\frac{2m}{m-2} $$ , and study them using a combination of CFT constraints, Schwinger-Dyson equation and the free theory behavior at the upper critical dimension. [...]
Published in JHEP 1704 (2017) 127 10.1007/JHEP04(2017)127 arXiv:1703.04830
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8. A proper fixed functional for four-dimensional Quantum Einstein Gravity / Demmel, Maximilian ; Saueressig, Frank ; Zanusso, Omar
Realizing a quantum theory for gravity based on Asymptotic Safety hinges on the existence of a non-Gaussian fixed point of the theory’s renormalization group flow. [...]
Published in JHEP 1508 (2015) 113 10.1007/JHEP08(2015)113 arXiv:1504.07656
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9. RG flows of Quantum Einstein Gravity on maximally symmetric spaces / Maximilian Demmel ; Frank Saueressig ; Omar Zanusso
We use the Wetterich-equation to study the renormalization group flow of f ( R )-gravity in a three-dimensional, conformally reduced setting. [...]
Published in JHEP 1406 (2014) 026 10.1007/JHEP06(2014)026 arXiv:1401.5495
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6 Zanusso, Omar
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