11 citations · 18 across the 6 of their papers we have counts for
7 papers
Asymptotic expansion of cavity Quasi-Normal Modes in Schwarzschild de-Sitter black hole
Arnab Priya Saha, Prajwal Shivanna
We study large-overtone quasi-normal modes of a massive scalar field in a four-dimensional Schwarzschild de-Sitter black hole in the presence of a wall placed at the static sphere.…
Five-point partial waves, splitting constraints and hidden zeros
Arnab Priya Saha, Aninda Sinha
We introduce a partial-wave basis for the double residues of five-point tree amplitudes involving identical external scalar particles, decomposing them into exchanges of definite s…
A stringy dispersion relation for field theory
Faizan Bhat, Arnab Priya Saha, Aninda Sinha
We derive a local, crossing symmetric dispersion relation (CSDR) for 2-2 scattering amplitudes with a parametric ambiguity motivated by string theory. Various limits of the paramet…
Bootstrapping string models with entanglement minimization and Machine-Learning
Faizan Bhat, Debapriyo Chowdhury, Arnab Priya Saha +1
We present a new approach to bootstrapping string-like theories by exploiting a local crossing symmetric dispersion relation and field redefinition ambiguities. This approach enabl…
Field theory expansions of string theory amplitudes
Arnab Priya Saha, Aninda Sinha
Motivated by quantum field theory (QFT) considerations, we present new representations of the Euler-Beta function and tree-level string theory amplitudes using a new two-channel, l…
On-shell functions on the Coulomb branch of SYM
Md. Abhishek, Subramanya Hegde, Dileep P. Jatkar +2
We study on-shell functions in the kinematic space for the Coulomb branch of SYM. We construct BCFW bridges that help us build bigger on-shell functions. As a conse…
Proof of the Classical Soft Graviton Theorem in D=4
Arnab Priya Saha, Biswajit Sahoo, Ashoke Sen
Classical subleading soft graviton theorem in four space-time dimensions determines the gravitational wave-form at late and early retarded time, generated during a scattering or ex…