Hybrid Goldstone Modes from the Double Copy Bootstrap

Yang Li, Diederik Roest, Tonnis ter Veldhuis

OnderzoeksoutputAcademicpeer review

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Samenvatting

We perform a systematic classification of scalar field theories whose amplitudes admit a double copy formulation and identify two building blocks at four-point and 13 at five-point. Using the four-point blocks simultaneously as bootstrap seeds, this naturally leads to a single copy theory that is a gauged nonlinear sigma model. Moreover, its double copy includes a novel theory that can be written in terms of Lovelock invariants of an induced metric, and includes Dirac-Born-Infeld and the special Galileon in specific limits. The amplitudes of these Goldstone modes have two distinct soft behavior regimes, corresponding to a hybrid of nonlinear symmetries.

Originele taal-2English
Artikelnummer211602
Aantal pagina's7
TijdschriftPhysical Review Letters
Volume132
Nummer van het tijdschrift21
DOI's
StatusPublished - 24-mei-2024

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