Zobrazeno 1 - 10
of 1 847
pro vyhledávání: '"Remmen, P."'
Autor:
Remmen, Grant N., Rodd, Nicholas L.
We establish the bounds on Wilson coefficients of the Higgs effective field theory (HEFT) mandated by unitarity and analyticity. These positivity constraints can be projected into the space of the standard model effective field theory (SMEFT) as HEFT
Externí odkaz:
http://arxiv.org/abs/2412.07827
Autor:
Durieux, Gauthier, Remmen, Grant N., Rodd, Nicholas L., Éboli, O. J. P., Gonzalez-Garcia, M. C., Kondo, Dan, Murayama, Hitoshi, Okabe, Risshin
In this note, we give a definitive basis for the dimension-eight operators leading to quartic -- but no cubic -- interactions among electroweak gauge bosons. These are often called anomalous quartic gauge couplings, or aQGCs. We distinguish in partic
Externí odkaz:
http://arxiv.org/abs/2411.02483
The Veneziano amplitude has recently been uniquely bootstrapped from crossing symmetry, faster than power-law falloff at high energies, and a property dubbed level truncation. In this paper we apply this bootstrap approach to fully permutation invari
Externí odkaz:
http://arxiv.org/abs/2408.03362
Akademický článek
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We show that the Veneziano amplitude of string theory is the unique solution to an analytically solvable bootstrap problem. Uniqueness follows from two assumptions: faster than power-law falloff in high-energy scattering and the existence of some inf
Externí odkaz:
http://arxiv.org/abs/2406.02665
Publikováno v:
JHEP 2405:122,2024
It was recently shown that (near-)extremal Kerr black holes are sensitive probes of small higher-derivative corrections to general relativity. In particular, these corrections produce diverging tidal forces on the horizon in the extremal limit. We sh
Externí odkaz:
http://arxiv.org/abs/2403.00051
We show that positivity of the imaginary part of forward elastic amplitudes for perturbative scattering is equivalent to consistency of the entanglement generated by the S-matrix, for states with arbitrary internal quantum numbers such as flavor. We
Externí odkaz:
http://arxiv.org/abs/2402.16956
Akademický článek
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Publikováno v:
Phys. Rev. Lett. 132, 091601 (2024)
Is string theory uniquely determined by self-consistency? Causality and unitarity seemingly permit a multitude of putative deformations, at least at the level of two-to-two scattering. Motivated by this question, we initiate a systematic exploration
Externí odkaz:
http://arxiv.org/abs/2312.07652
Publikováno v:
Phys. Rev. D 109, 046003 (2024)
Holographic screens are codimension-one hypersurfaces that extend the notion of apparent horizons to general (non-black hole) spacetimes and that display interesting thermodynamic properties. We show that if a spacetime contains a codimension-two, bo
Externí odkaz:
http://arxiv.org/abs/2312.06750