32 citations · 36 across the 6 of their papers we have counts for
6 papers
Spinor-helicity formalism for continuous-spin particles
Thomas Basile, Xavier Bekaert, Felipe Figueroa +1
We propose a new formulation of continuous-spin particles (CSP) with the help of a single two-component spinor to build asymptotic states. This formulation allows to write down amp…
Regge trajectories for UV completions of graviton scattering from polynomial boundedness
Christopher Eckner, Felipe Figueroa, Simon Metayer +1
We study graviton scattering amplitudes. Assuming they are UV completed by a theory of weakly coupled massive higher spins, we demonstrate that the UV completion must possess infin…
Unraveling the Spectrum of the Open String
Bruno Bucciotti, Felipe Figueroa, Guilherme L. Pimentel
We construct a large portion of the massive spectrum of the open bosonic string using light-cone quantization, providing explicit oscillator realizations for individual single-part…
On the number of Regge trajectories for dual amplitudes
Christopher Eckner, Felipe Figueroa, Piotr Tourkine
Regge poles connect the analytic structure of scattering amplitudes, analytically continued in spin, to the high-energy limit in momentum space. Dual models are expected to have on…
The Regge bootstrap, from linear to non-linear trajectories
Christopher Eckner, Felipe Figueroa, Piotr Tourkine
We present a numerical linear programming bootstrap to construct dual model scattering amplitudes. Dual models describe tree-level exchanges of higher spin resonances in theories l…
On the unitarity and low energy expansion of the Coon amplitude
Felipe Figueroa, Piotr Tourkine
The Coon amplitude is a deformation of the Veneziano amplitude with logarithmic Regge trajectories and an accumulation point in the spectrum, which interpolates between string theo…