Journal of High Energy Physics
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Holography at finite cutoff with a T2 deformation
Journal of High Energy Physics - Tập 2019 - Trang 1-29 - 2019
We generalize the
$$ T\overline{T} $$
deformation of CFT2 to higher-dimensional large-N CFTs, and show that in holographic theories, the resulting effective field theory matches semiclassical gravity in AdS with a finite radial cutoff. We also derive the def......
Bifundamental superfluids from holography
Journal of High Energy Physics - Tập 2015 - Trang 1-33 - 2015
We study the holographic dual of a (2 + 1)-dimensional s-wave superfluid that breaks an abelian U(1) × U(1) global symmetry group to the diagonal U(1)
V
. The model is inspired by Sen’s tachyonic action, and the operator that condenses transforms in the bifundamental representation of the symmetry group. We focus on two configurations: the first one describes a ma......
High-temperature expansion of supersymmetric partition functions
Journal of High Energy Physics - Tập 2015 - Trang 1-28 - 2015
Di Pietro and Komargodski have recently demonstrated a four-dimensional counterpart of Cardy’s formula, which gives the leading high-temperature (β → 0) behavior of supersymmetric partition functions ZSUSY(β). Focusing on superconformal theories, we elaborate on the subleading contributions to their formula when applied to free chiral and U(1) vector multiplets. In particular, we see that the high......
Holographic thermal correlators for hyperbolic CFTsAbstract
We use holography to compute the exact form of retarded Green’s functions for a scalar operator with conformal dimension ∆ in a thermal CFT and in its related counterpart with chemical potential in R 1 × H 3 . In our analysis... ...
Journal of High Energy Physics -
Holographic superconductivity in the large D expansion
Journal of High Energy Physics - Tập 2014 - Trang 1-22 - 2014
We study holographic superconductivity by expanding the equations in the inverse of the number of spacetime dimensions D. We obtain an analytic expression for the critical temperature as a function of the conformal dimension of the condensate operator. Its accuracy for 3+1-dimensional superconductors is better than 15%. The analysis reveals a simple, and quantitative, explanation for the onset of ......
Top tagging: an analytical perspectiveAbstract
In this paper we study aspects of top tagging from first principles of QCD. We find that the method known as the CMS top tagger becomes collinear unsafe at high p
t
and propose variants thereof which are... ...
Journal of High Energy Physics - Tập 2018 Số 9 - 2018
Erratum to: Power-enhanced leading-logarithmic QED corrections to Bq → μ+μ−
Journal of High Energy Physics -
Removing tadpoles in a soliton sector
Journal of High Energy Physics - Tập 2021 - Trang 1-18 - 2021
It has long been known that perturbative calculations can be performed in a soliton sector of a quantum field theory by using a soliton Hamiltonian, which is constructed from the defining Hamiltonian by shifting the field by the classical soliton solution. It is also known that even if tadpoles are eliminated in the vacuum sector, they remain in the soliton sector. In this note we show, in the cas......
Complement to thermodynamics of dyonic Taub-NUT-AdS spacetime
Journal of High Energy Physics - Tập 2021 - Trang 1-28 - 2021
We examine the thermodynamics of Euclidean dyonic Taub-Nut/Bolt-AdS4 black holes for a variety of horizon geometries to understand how gauge field regularity conditions influence the thermodynamic relations. We find several distinct features that distinguish the NUT-charged case from its dyonic Reissner-Nordstrom counterpart. For the Nut solution, the gauge field vanishes at the horizon and so reg......
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