Results 31 to 40 of about 955,484 (269)

Long multiplet bootstrap

open access: yesJournal of High Energy Physics, 2017
Applications of the bootstrap program to superconformal field theories promise unique new insights into their landscape and could even lead to the discovery of new models.
Martina Cornagliotto   +2 more
doaj   +1 more source

SIMPly add a dark photon

open access: yesJournal of High Energy Physics, 2023
Pions of a dark sector gauge group can be strongly interacting massive particle (SIMP) dark matter, produced by the freeze-out of 3 → 2 interactions, with naturally large self-interactions. We study if adding a dark photon to the set-up can do it all: i)
Pieter Braat, Marieke Postma
doaj   +1 more source

Higher-order Sudakov resummation in coupled gauge theories

open access: yesJournal of High Energy Physics, 2020
We consider the higher-order resummation of Sudakov double logarithms in the presence of multiple coupled gauge in. The associated evolution equations depend on the coupled β functions of two (or more) coupling constants α a and α b , as well as ...
Georgios Billis   +2 more
doaj   +1 more source

Bootstrapping the (A1, A2) Argyres-Douglas theory

open access: yesJournal of High Energy Physics, 2018
We apply bootstrap techniques in order to constrain the CFT data of the (A 1 , A 2) Argyres-Douglas theory, which is arguably the simplest of the Argyres-Douglas models.
Martina Cornagliotto   +2 more
doaj   +1 more source

Bootstrapping line defects with O(2) global symmetry

open access: yesJournal of High Energy Physics, 2022
We use the numerical bootstrap to study conformal line defects with O(2) global symmetry. Our results are very general and capture in particular conformal line defects originating from bulk CFTs with a continuous global symmetry, which can either be ...
Aleix Gimenez-Grau   +3 more
doaj   +1 more source

Group Field Theories [PDF]

open access: yesProceedings of 3rd Quantum Gravity and Quantum Geometry School — PoS(QGQGS 2011), 2013
Group field theories are particular quantum field theories defined on D copies of a group which reproduce spin foam amplitudes on a space-time of dimension D. In these lecture notes, we present the general construction of group field theories, merging ideas from tensor models and loop quantum gravity. This lecture is organized as follows.
openaire   +3 more sources

Oxidation   group theory [PDF]

open access: yesClassical and Quantum Gravity, 2003
Dimensional reduction of theories involving (super-)gravity gives rise to sigma models on coset spaces of the form G/H, with G a non-compact group, and H its maximal compact subgroup. The reverse process, called oxidation, is the reconstruction of the possible higher dimensional theories, given the lower dimensional theory. In 3 dimensions, all degrees
openaire   +3 more sources

The strangest proton?

open access: yesEuropean Physical Journal C: Particles and Fields, 2020
We present an improved determination of the strange quark and antiquark parton distribution functions of the proton by means of a global QCD analysis that takes into account a comprehensive set of strangeness-sensitive measurements: charm-tagged cross ...
Ferran Faura   +4 more
doaj   +1 more source

Bootstrapping Coulomb and Higgs branch operators

open access: yesJournal of High Energy Physics, 2021
We apply the numerical conformal bootstrap to correlators of Coulomb and Higgs branch operators in 4d N $$ \mathcal{N} $$ = 2 superconformal theories. We start by revisiting previous results on single correlators of Coulomb branch operators.
Aleix Gimenez-Grau, Pedro Liendo
doaj   +1 more source

Seeking SUSY fixed points in the 4 − ϵ expansion

open access: yesJournal of High Energy Physics, 2021
We use the 4 − ϵ expansion to search for fixed points corresponding to 2 + 1 dimensional N $$ \mathcal{N} $$ =1 Wess-Zumino models of N Φ scalar superfields interacting through a cubic superpotential. In the N Φ = 3 case we classify all SUSY fixed points
Pedro Liendo, Junchen Rong
doaj   +1 more source

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