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pro vyhledávání: '"Antunes, Antonio A"'
For QFTs in AdS the boundary correlation functions remain conformal even if the bulk theory has a scale. This allows one to constrain RG flows with numerical conformal bootstrap methods. We apply this idea to flows between two-dimensional CFTs, focus
Externí odkaz:
http://arxiv.org/abs/2401.06818
Publikováno v:
JHEP06(2024)058
In this work we initiate a positive semi-definite numerical bootstrap program for multi-point correlators. Considering six-point functions of operators on a line we reformulate the crossing symmetry equation for a pair of comb-channel expansions as a
Externí odkaz:
http://arxiv.org/abs/2312.11660
Publikováno v:
Phys.Let.B 846 (2023), 138225
The modern S-Matrix Bootstrap provides non-perturbative bounds on low-energy aspects of scattering amplitudes, leveraging the constraints of unitarity, analyticity and crossing. Typically, the solutions saturating such bounds also saturate the unitar
Externí odkaz:
http://arxiv.org/abs/2301.13219
Autor:
Antunes, António, Behan, Connor
Publikováno v:
Phys.Rev.Lett. 130 (2023) 7, 071602
We study coupled unitary Virasoro minimal models in the large rank ($m \rightarrow \infty$) limit. In large $m$ perturbation theory, we find two non-trivial IR fixed points which exhibit irrational coefficients in several anomalous dimensions and the
Externí odkaz:
http://arxiv.org/abs/2211.16503
Publikováno v:
JHEP 03 (2022) 139
Higher-point functions of scalar operators are a rich observable in CFTs, as they contain OPE data involving multiple spinning operators. We derive the lightcone blocks for five- and six-point functions in the snowflake channel and use them to bootst
Externí odkaz:
http://arxiv.org/abs/2111.05453
The boundary correlation functions for a Quantum Field Theory (QFT) in an Anti-de Sitter (AdS) background can stay conformally covariant even if the bulk theory undergoes a renormalization group (RG) flow. Studying such correlation functions with the
Externí odkaz:
http://arxiv.org/abs/2109.13261
Publikováno v:
In Intelligent Systems with Applications June 2024 22
Autor:
Antunes, António
We propose a bootstrap program for CFTs near intersecting boundaries which form a co-dimension 2 edge. We describe the kinematical setup and show that bulk 1-pt functions and bulk-edge 2-pt functions depend on a non-trivial cross-ratio and on the ang
Externí odkaz:
http://arxiv.org/abs/2103.03132
We derive an optical theorem for perturbative CFTs which computes the double discontinuity of conformal correlators from the single discontinuities of lower order correlators, in analogy with the optical theorem for flat space scattering amplitudes.
Externí odkaz:
http://arxiv.org/abs/2012.01515
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