Eur. Phys. J. B (2018) 91: 212
https://doi.org/10.1140/epjb/e2018-90252-0

Regular Article

Electron-polaron–electron-polaron bound states in mass-gap graphene-like planar quantum electrodynamics: s-wave bipolarons

Universidade Federal de Viçosa (UFV), Departamento de Física, Campus Universitário, Avenida Peter Henry Rolfs s/n, 36570-900 Viçosa, MG, Brazil

^a e-mail: oswaldo.delcima@ufv.br

Received: 13 April 2018
Received in final form: 20 June 2018
Published online: 1 October 2018

Abstract

A Lorentz invariant version of a mass-gap graphene-like planar quantum electrodynamics, the parity-preserving U(1) × U(1) massive QED₃, exhibits attractive interaction in low-energy electron-polaron–electron-polaron s-wave scattering, favoring quasiparticles bound states, the s-wave bipolarons.