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20022009
most citedThe Standard Model Higgs boson as the inflaton

2.1k citations

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hep-th2009★ 94 cited

Harrison--Zeldovich spectrum from conformal invariance

V. A. Rubakov

We show that flat spectrum of small perturbations of field(s) is generated in a simple way in a theory of multi-component scalar field provided this theory is conformally invariant…

hep-th2009★ 309 cited

On the Extra Mode and Inconsistency of Horava Gravity

D. Blas, O. Pujolas, S. Sibiryakov

We address the consistency of Horava's proposal for a theory of quantum gravity from the low-energy perspective. We uncover the additional scalar degree of freedom arising from the…

hep-th2008★ 4 cited

Superluminality in the Fierz--Pauli massive gravity

M. Osipov, V. Rubakov

We study the propagation of helicity-1 gravitons in the Fierz--Pauli massive gravity in nearly Minkowski backgrounds. We show that, generically, there exist backgrounds consistent…

hep-th2008

Conformal invariance and the expressions for contributions to the Bjorken polarized and the Gross-Llewellyn Smith sum rules

A. L. Kataev

Considering massless axial-vector-vector triangle diagram in the conformal invariant limit and the the results of recent distinguished analytical calculations of the 5-loop single-…

hep-th2008★ 26 cited

Gravity Cutoff in Theories with Large Discrete Symmetries

Gia Dvali, Michele Redi, Sergey Sibiryakov +1

We set an upper bound on the gravitational cutoff in theories with exact quantum numbers of large N periodicity, such as Z_N discrete symmetries. The bound stems from black hole ph…

hep-th2008★ 144 cited

Quantum Deformations of the One-Dimensional Hubbard Model

Niklas Beisert, Peter Koroteev

The centrally extended superalgebra psu(2|2)xR^3 was shown to play an important role for the integrable structures of the one-dimensional Hubbard model and of the planar AdS/CFT co…