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Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
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49 papers · 2 filters
Composite operators near the boundary
Vladimír Procházka, Alexander Söderberg
We use renormalization group methods to study composite operators existing at a boundary of an interacting conformal field theory. In particular we relate the data on boundary oper…
6D (1,1) Gauged Supergravities from Orientifold Compactifications
Giuseppe Dibitetto, Jose J. Fernandez-Melgarejo, Masato Nozawa
We study dimensional reductions of M-theory/type II strings down to 6D in the presence of fluxes and spacetime filling branes and orientifold planes of different types. We classify…
On Positive Geometry and Scattering Forms for Matter Particles
Aidan Herderschee, Song He, Fei Teng +1
We initiate the study of positive geometry and scattering forms for tree-level amplitudes with matter particles in the (anti-)fundamental representation of the color/flavor group.…
Asymptotic growth of the 4d index and partially deconfined phases
Arash Arabi Ardehali, Junho Hong, James T. Liu
We study the Cardy-like asymptotics of the 4d index and demonstrate the existence of partially deconfined phases where the asymptotic growth of the index is not as r…
From Exact Results to Gauge Dynamics on
Arash Arabi Ardehali, Luca Cassia, Yongchao Lü
We revisit the vacuum structure of the Intriligator-Seiberg-Shenker model on . Guided by the Cardy-like asymptotics of its Romelsberger inde…
All-order amplitudes at any multiplicity in the multi-Regge limit
V. Del Duca, S. Druc, J. M. Drummond +5
We propose an all-loop expression for scattering amplitudes in planar N=4 super Yang-Mills theory in multi-Regge kinematics valid for all multiplicities, all helicity configuration…
Infrared and transcendental structure of two-loop supersymmetric QCD amplitudes
Gregor Kälin, Gustav Mogull, Alexander Ochirov +1
Using a careful choice of infrared (IR) subtraction scheme, we demonstrate the cancellation of all terms with transcendental weights 0,1,2 from the finite part of the full-color tw…
From Boundary Data to Bound States II: Scattering Angle to Dynamical Invariants (with Twist)
Gregor Kälin, Rafael A. Porto
We recently introduced in [1910.03008] a "boundary-to-bound" dictionary between gravitational scattering data and observables for bound states of non-spinning bodies. In this paper…
All-order differential equations for one-loop closed-string integrals and modular graph forms
Jan E. Gerken, Axel Kleinschmidt, Oliver Schlotterer
We investigate generating functions for the integrals over world-sheet tori appearing in closed-string one-loop amplitudes of bosonic, heterotic and type-II theories. These closed-…
Supersymmetric Yang-Mills, Spherical Branes, and Precision Holography
Nikolay Bobev, Pieter Bomans, Fridrik Freyr Gautason +2
Using supersymmetric localization we compute the free energy and BPS Wilson loop vacuum expectation values for planar maximally supersymmetric Yang-Mills theory on in the str…
Dispersion Relation for CFT Four-Point Functions
Agnese Bissi, Parijat Dey, Tobias Hansen
We present a dispersion relation in conformal field theory which expresses the four point function as an integral over its single discontinuity. Exploiting the analytic properties…
Holographic entanglement entropy and complexity of microstate geometries
Alessandro Bombini, Giulia Fardelli
We study holographic entanglement entropy and holographic complexity in a two-charge, -BPS family of solutions of type IIB supergravity, controlled by one dimensionles…
Anisotropic destruction of the Fermi surface in inhomogeneous holographic lattices
Askar Iliasov, Andrey A. Bagrov, Mikhail I. Katsnelson +1
We analyze fermionic response of strongly correlated holographic matter in presence of inhomogeneous periodically modulated potential mimicking the crystal lattice. The modulation…
Dual Separated Variables and Scalar Products
Nikolay Gromov, Fedor Levkovich-Maslyuk, Paul Ryan +1
Separation of variables (SoV) is an extremely efficient and elegant technique for analysing physical systems but its application to integrable spin chains was limited until recentl…
Conformal -point functions in momentum space
Adam Bzowski, Paul McFadden, Kostas Skenderis
We present a Feynman integral representation for the general momentum-space scalar -point function in any conformal field theory. This representation solves the conformal Ward i…
Multi-cover skeins, quivers, and 3d dualities
Tobias Ekholm, Piotr Kucharski, Pietro Longhi
The relation between open topological strings and representation theory of symmetric quivers is explored beyond the original setting of the knot-quiver correspondence. Multiple cov…
From Boundary Data to Bound States
Gregor Kälin, Rafael A. Porto
We introduce a -- somewhat holographic -- dictionary between gravitational observables for scattering processes (measured at the "boundary") and adiabatic invariants for bound orbi…
Exact SUSY Wilson loops on from -Virasoro constraints
Luca Cassia, Rebecca Lodin, Aleksandr Popolitov +1
Using the ideas from the BPS/CFT correspondence, we give an explicit recursive formula for computing supersymmetric Wilson loop averages in 3d Yang-Mills-Chern-Simo…
Gravity loop integrands from the ultraviolet
Alex Edison, Enrico Herrmann, Julio Parra-Martinez +1
We demonstrate that loop integrands of (super-)gravity scattering amplitudes possess surprising properties in the ultraviolet (UV) region. In particular, we study the scaling of mu…
One-loop open-string integrals from differential equations: all-order alpha'-expansions at n points
Carlos R. Mafra, Oliver Schlotterer
We study generating functions of moduli-space integrals at genus one that are expected to form a basis for massless -point one-loop amplitudes of open superstrings and open boso…
Analytic Bootstrap for Logarithmic CFT
Pinaki Banerjee, Parijat Dey
We study logarithmic conformal field theory (LogCFT) in four dimensions using conformal bootstrap techniques in the large spin limit. We focus on the constraints imposed by conform…
All-order alpha'-expansion of one-loop open-string integrals
Carlos R. Mafra, Oliver Schlotterer
We present a new method to evaluate the -expansion of genus-one integrals over open-string punctures and unravel the structure of the elliptic multiple zeta values in its coeff…
Integration-by-parts reductions of Feynman integrals using Singular and GPI-Space
Dominik Bendle, Janko Boehm, Wolfram Decker +5
We introduce an algebro-geometrically motived integration-by-parts (IBP) reduction method for multi-loop and multi-scale Feynman integrals, using a framework for massively parallel…
Notes on anomalies, elliptic curves and the BS-D conjecture
Yongchao Lü, Joseph A. Minahan
We consider anomaly cancellation for gauge theories where the left-handed chiral multiplets are in higher representations. In particular, if…