320 citations · 995 across the 29 of their papers we have counts for
16 papers · 1 filter
Convergence of Nekrasov instanton sum with adjoint matter
Bruno Le Floch
The Nekrasov instanton partition function of the 4d gauge theory (a mass deformation of 4d super-Yang-Mills theory), which is a generating…
Unleash ! Cohomology, Localization, and Interpolation in Parisi-Sourlas Supersymmetry
Bruno Le Floch, Gela Patashuri, Emilio Trevisani
Parisi-Sourlas supersymmetric models are known to undergo dimensional reduction; that is, their physics is captured by models in two fewer dimensions. In this work, we revisit dime…
Charged massive spin 2 and 3/2 propagation in a constant electromagnetic background
Karim Benakli, Wenqi Ke, Bruno Le Floch
We present two methods for deriving the equations of motion for charged massive spin-3/2 particles. The first approach involves utilizing the Euler-Lagrange equations derived from…
Mixed moduli in 3d N=4 higher-genus quivers
Ioannis Lavdas, Bruno Le Floch
We analyze exactly marginal deformations of 3d N=4 Lagrangian gauge theories, especially mixed-branch operators with both electric and magnetic charges. These mixed-branch moduli c…
A slow review of the AGT correspondence
Bruno Le Floch
Starting with a gentle approach to the AGT correspondence from its 6d origin, these notes provide a wide (albeit shallow) survey of the literature on numerous extensions of the cor…
KdV charges in theories and new models with super-Hagedorn behavior
Bruno Le Floch, Márk Mezei
Two-dimensional CFTs and integrable models have an infinite set of conserved KdV higher spin currents. These currents can be argued to remain conserved under the deforma…
Marginal Deformations of 3d N=4 Linear Quiver Theories
Constantin Bachas, Ioannis Lavdas, Bruno Le Floch
We study superconformal deformations of the theories of Gaiotto-Hanany-Witten, paying special attention to mixed-branch operators with both electrically- and m…
AGT/Z
Bruno Le Floch, Gustavo J. Turiaci
We relate Liouville/Toda CFT correlators on Riemann surfaces with boundaries and cross-cap states to supersymmetric observables in four-dimensional N=2 gauge theories. Our construc…
Surface defects and instanton-vortex interaction
A. Gorsky, B. Le Floch, A. Milekhin +1
We propose a simple formula for the 4d-2d partition function of half-BPS surface defects in gauge theories: $Z^{\text{4d-2d}}=\langle Z^{\text{2d}} \rangle_{\…
Intersecting Surface Defects and Two-Dimensional CFT
Jaume Gomis, Bruno Le Floch, Yiwen Pan +1
We initiate the study of intersecting surface operators/defects in four-dimensional quantum field theories (QFTs). We characterize these defects by coupled 4d/2d/0d theories constr…
Supersymmetric localization in two dimensions
Francesco Benini, Bruno Le Floch
This is an introductory review to localization techniques in supersymmetric two-dimensional gauge theories. In particular we describe how to construct Lagrangians of N=(2,2) theori…
Localization techniques in quantum field theories
Vasily Pestun, Maxim Zabzine, Francesco Benini +17
This is the foreword to the special volume on localization techniques in quantum field theory. We summarize the individual chapters and their relation.
S-duality wall of SQCD from Toda braiding
Bruno Le Floch
Exact field theory dualities can be implemented by duality domain walls such that passing any operator through the interface maps it to the dual operator. This paper describes the…
M2-brane surface operators and gauge theory dualities in Toda
Jaume Gomis, Bruno Le Floch
We give a microscopic two dimensional gauge theory description of arbitrary M2-branes ending on M5-branes wrapping a punctured Riemann surface. These realize…
Exact Results in D=2 Supersymmetric Gauge Theories
Nima Doroud, Jaume Gomis, Bruno Le Floch +1
We compute exactly the partition function of two dimensional N=(2,2) gauge theories on S^2 and show that it admits two dual descriptions: either as an integral over the Coulomb bra…
't Hooft Operators in Gauge Theory from Toda CFT
Jaume Gomis, Bruno Le Floch
We construct loop operators in two dimensional Toda CFT and calculate with them the exact expectation value of certain supersymmetric 't Hooft and dyonic loop operators in four dim…