@article{article985c047c,
title   = {Real scalar field kinks and antikinks and their perturbation spectra in a closed universe},
author = {Hartmann, Betti and Luchini, Gabriel and Constantinidis, Clisthenis P. and Pereira, Carlos F. S.},
year = {2020},
doi = {10.1103/PhysRevD.101.076004},
journal   = {Physical Review D}
}