Outputs (442)

Two gravitational shock waves on theAdS3brane (2007)
Journal Article

Poincaré series for modular graph forms at depth two. Part I. Seeds and Laplace systems (2022)
Journal Article

We derive new Poincaré-series representations for infinite families of non-holomorphic modular invariant functions that include modular graph forms as they appear in the low-energy expansion of closed-string scattering amplitudes at genus one. The Po... Read More about Poincaré series for modular graph forms at depth two. Part I. Seeds and Laplace systems.

Parton distributions from LHC, HERA, Tevatron and fixed target data: MSHT20 PDFs (2021)
Journal Article

We present the new MSHT20 set of parton distribution functions (PDFs) of the proton, determined from global analyses of the available hard scattering data. The PDFs are made available at NNLO, NLO, and LO, and supersede the MMHT14 sets. They are obta... Read More about Parton distributions from LHC, HERA, Tevatron and fixed target data: MSHT20 PDFs.

CP violation at ATLAS in effective field theory (2021)
Journal Article

CP violation beyond the Standard Model (SM) is a crucial missing piece for explaining the observed matter-antimatter asymmetry in the Universe. Recently, the ATLAS experiment at the Large Hadron Collider performed an analysis of electroweak Zjj produ... Read More about CP violation at ATLAS in effective field theory.

Seiberg-like dualities for orthogonal and symplectic 3d $$ \mathcal{N} $$ = 2 gauge theories with boundaries (2021)
Journal Article

We propose dualities of N = (0, 2) supersymmetric boundary conditions for 3d N = 2 gauge theories with orthogonal and symplectic gauge groups. We show that the boundary ’t Hooft anomalies and half-indices perfectly match for each pair of the proposed... Read More about Seiberg-like dualities for orthogonal and symplectic 3d $$ \mathcal{N} $$ = 2 gauge theories with boundaries.

Ising model as a U(1) lattice gauge theory with a θ -term (2021)
Journal Article

We discuss a gauged XY model a θ -term on an arbitrary lattice in 1 + 1 dimensions and show that the theory reduces exactly to the 2d Ising model on the dual lattice in the limit of the strong gauge coupling, provided that the topological term is def... Read More about Ising model as a U(1) lattice gauge theory with a θ -term.

Extended Higgs boson sectors, effective field theory, and Higgs boson phenomenology (2021)
Journal Article

We consider the phenomenological implications of charged scalar extensions of the Standard Model (SM) Higgs sector in addition to effective field theory (EFT) couplings of this new state to SM matter. We perform a detailed investigation of modificati... Read More about Extended Higgs boson sectors, effective field theory, and Higgs boson phenomenology.

Deconfinement on axion domain walls (2020)
Journal Article

We study SU(Nc) gauge theories with Dirac fermions in representations ℛ of nonzero N -ality, coupled to axions. These theories have an exact discrete chiral symmetry, which has a mixed ’t Hooft anomaly with general baryon-color-flavor backgrounds, ca... Read More about Deconfinement on axion domain walls.

Anomaly matching, (axial) Schwinger models, and high-T super Yang-Mills domain walls (2018)
Journal Article

We study the discrete chiral- and center-symmetry ’t Hooft anomaly matching in the charge-q two-dimensional Schwinger model. We show that the algebra of the discrete symmetry operators involves a central extension, implying the existence of q vacua,... Read More about Anomaly matching, (axial) Schwinger models, and high-T super Yang-Mills domain walls.

New nonperturbative scales and glueballs in confining supersymmetric gauge theories (2018)
Journal Article

We show that new nonperturbative scales exist in four-dimensional N = 1 super-Yang-Mills theory compactified on a circle, with an iterated-exponential dependence on the inverse gauge coupling. The lightest states with the quantum numbers of four-dime... Read More about New nonperturbative scales and glueballs in confining supersymmetric gauge theories.

Chiral gravitational waves from chiral fermions (2017)
Journal Article

We report on a new mechanism that leads to the generation of primordial chiral gravitational waves, and hence, the violation of the parity symmetry in the Universe. We show that nonperturbative production of fermions with a definite helicity is accom... Read More about Chiral gravitational waves from chiral fermions.

Towards a quantum computing algorithm for helicity amplitudes and parton showers (2021)
Journal Article

The interpretation of measurements of high-energy particle collisions relies heavily on the performance of full event generators, which include the calculation of the hard process and the subsequent parton shower step. With the continuous improvement... Read More about Towards a quantum computing algorithm for helicity amplitudes and parton showers.

On the global structure of deformed Yang-Mills theory and QCD(adj) on ℝ 3 × S 1 $$ {\mathrm{\mathbb{R}}}^3\times {\mathbb{S}}^1 $$ (2015)
Journal Article

Deconfinement in $ \mathcal{N}=1 $ super Yang-Mills theory on $ {{\mathbb{R}}^3}\times {{\mathbb{S}}^1} $ via dual-Coulomb gas and “affine” XY-model (2013)
Journal Article

The SU(3)/Z3 QCD(adj) deconfinement transition via the gauge theory/“affine” XY-model duality (2013)
Journal Article

Running of the gravitational constant (2012)
Journal Article

Breaking diffeomorphism invariance and tests for the emergence of gravity (2010)
Journal Article

New exact solutions on the Randall-Sundrum 2-brane: lumps of dark radiation and accelerated black holes (2008)
Journal Article

N-flationary magnetic fields (2006)
Journal Article

Very low x gluon density determined by LHCb exclusive J/ψ data (2020)
Journal Article

The low x behavior of the gluon density x g ( x , μ 2 ) at scale μ 2 = 2.4     GeV 2 is determined using exclusive J / ψ production data from HERA and LHCb within the framework of collinear factorization at next-to-leading order (NLO). It is shown th... Read More about Very low x gluon density determined by LHCb exclusive J/ψ data.