39 citations · 86 across the 17 of their papers we have counts for
18 papers
Intersecting Surface Operators in 6d Holomorphic Field Theories
Meer Ashwinkumar
We study intersecting surface operators in 6d holomorphic field theories with the aim of unraveling associated quantum integrable structures. We first study the intersections of su…
Integrable Deformations of the Breitenlohner-Maison Model from 4d Chern-Simons Theory
Meer Ashwinkumar, Matthias Blau
We derive integrable deformations of the 2d Breitenlohner-Maison (BM) sigma model that describes the stationary, axisymmetric sector of 4d general relativity, as well as higher-ran…
The Yang-Baxter Sigma Model from Twistor Space
Meer Ashwinkumar, Jitendra Pal
We derive a novel two-field four-dimensional integrable field theory (IFT) from 6d holomorphic Chern-Simons theory on twistor space. The four-dimensional IFT depends on a skew-symm…
Asymptotics in the bi-Yang-Baxter Sigma Model
Meer Ashwinkumar, Domenico Orlando, Susanne Reffert +1
Working in a sector of large charge is a powerful tool to analytically access models that are either strongly coupled or otherwise difficult to solve explicitly. In the context of…
5d-4d Correspondence in Twisted M-theory on a Conifold
Meer Ashwinkumar, Mir Faizal, Arshid Shabir +2
We study twisted M-theory in a general conifold background, and describe it in terms of a 5d non-commutative Chern-Simons-matter theory, which is equivalent to 5d non-commutative C…
R-matrices from Feynman Diagrams in 5d Chern-Simons Theory and Twisted M-theory
Meer Ashwinkumar
In this work, we study the analogues of R-matrices that arise in 5d non-commutative topological-holomorphic Chern-Simons theory, which is known to describe twisted M-theory. We fir…
Generalized Narain Theories Decoded: Discussions on Eisenstein series, Characteristics, Orbifolds, Discriminants and Ensembles in any Dimension
Meer Ashwinkumar, Abhiram Kidambi, Jacob M. Leedom +1
We study a class of newly-introduced CFTs associated with even quadratic forms of general signature, which we call generalized Narain theories. We first summarize the properties of…
Dualities and Discretizations of Integrable Quantum Field Theories from 4d Chern-Simons Theory
Meer Ashwinkumar, Jun-ichi Sakamoto, Masahito Yamazaki
We elucidate the relationship between 2d integrable field theories and 2d integrable lattice models, in the framework of the 4d Chern-Simons theory. The 2d integrable field theory…
Duality Origami: Emergent Ensemble Symmetries in Holography and Swampland
Meer Ashwinkumar, Jacob M. Leedom, Masahito Yamazaki
We discuss the interrelations between several ideas in quantum gravity -- holography, the Swampland, and the concept of ensemble averaging. To do so, we study ensemble averages of…
Chern-Simons Invariants from Ensemble Averages
Meer Ashwinkumar, Matthew Dodelson, Abhiram Kidambi +2
We discuss ensemble averages of two-dimensional conformal field theories associated with an arbitrary indefinite lattice with integral quadratic form . We provide evidence that…
Matrix Quantization of Classical Nambu Brackets and Super -Branes
Meer Ashwinkumar, Lennart Schmidt, Meng-Chwan Tan
We present an explicit matrix algebra quantization of the algebra of volume-preserving diffeomorphisms of the -torus. That is, we approximate the corresponding classical Nambu b…
4d Chern-Simons Theory as a 3d Toda Theory, and a 3d-2d Correspondence
Meer Ashwinkumar, Kee-Seng Png, Meng-Chwan Tan
We show that the four-dimensional Chern-Simons theory studied by Costello, Witten and Yamazaki, is, with Nahm pole-type boundary conditions, dual to a boundary theory that is a thr…
Integrable Lattice Models and Holography
Meer Ashwinkumar
We study four-dimensional Chern-Simons theory on (where is a disk), which is understood to describe rational solutions of the Yang-Baxter equation from th…
Unifying Lattice Models, Links and Quantum Geometric Langlands via Branes in String Theory
Meer Ashwinkumar, Meng-Chwan Tan
We explain how, starting with a stack of D4-branes ending on an NS5-brane in type IIA string theory, one can, via T-duality and the topological-holomorphic nature of the relevant w…
Boundary N=2 Theory, Floer Homologies, Affine Algebras, and the Verlinde Formula
Meer Ashwinkumar, Kee-Seng Png, Meng-Chwan Tan
Generalizing our ideas in [arXiv:1006.3313], we explain how topologically-twisted N=2 gauge theory on a four-manifold with boundary, will allow us to furnish purely physical proofs…
Branes and Categorifying Integrable Lattice Models
Meer Ashwinkumar, Meng-Chwan Tan, Qin Zhao
We elucidate how integrable lattice models described by Costello's 4d Chern-Simons theory can be realized via a stack of D4-branes ending on an NS5-brane in type IIA string theory,…
Open Gauged Sigma Models, Equivariant Branes, and Equivariant Homological Mirror Symmetry
Meer Ashwinkumar, Meng-Chwan Tan
We describe supersymmetric A-branes and B-branes in open N=(2,2) dynamically gauged nonlinear sigma models (GNLSM), placing emphasis on toric manifold target spaces. For a subset o…
Little Strings, Quasi-topological Sigma Model on Loop Group, and Toroidal Lie Algebras
Meer Ashwinkumar, Jingnan Cao, Yuan Luo +2
We study the ground states and left-excited states of the A_{k-1} N=(2,0) little string theory. Via a theorem by Atiyah [1], these sectors can be captured by a supersymmetric nonli…