Dual projection in a two-dimensional curved expanding universe

TL;DR

This paper demonstrates that in a curved expanding universe, a scalar field spectrum can be decomposed into two dynamical chiral fields, extending previous flat spacetime results.

Contribution

It introduces the concept of dual projection in a curved expanding universe, revealing the presence of two dynamical chiral fields in the scalar spectrum.

Findings

Identification of two dynamical chiral fields in curved spacetime

Extension of flat spacetime chiral decomposition to curved universe

Insight into scalar field behavior in cosmological expansion

Abstract

It is a well known result that the scalar field is composed of two chiral particles (Floreanini-Jackiw particles) of opposite chiralities. Also, that a Siegel particle spectrum is formed by a nonmover field (a Hull's noton) and a FJ particle. In this work we show that in a scalar field spectrum, in a curved expanding universe scenario, we can find two dynamical chiral fields.