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Multikink scattering in the ϕ6 model revisited

Adam, C.; Dorey, P.; Martín-Caro, A. García; Huidobro, M.; Oles, K.; Romanczukiewicz, T.; Shnir, Y.; Wereszczynski, A.

Multikink scattering in the ϕ6 model revisited Thumbnail


C. Adam

A. García Martín-Caro

M. Huidobro

K. Oles

T. Romanczukiewicz

Y. Shnir

A. Wereszczynski


Antikink-kink (KK) collisions in the ¯ ϕ6 model exhibit resonant scattering although the ϕ6 kinks do not support any bound states to which energy could be transferred. In P. Dorey et al. [Kink-Antikink Collisions in the ϕ6 Model, Phys. Rev. Lett. 107, 091602 (2011)] it was conjectured that, instead, energy is transferred to a collective bound mode of the full KK configuration. Here we present further strong evidence for this ¯ conjecture. Further, we construct a collective coordinate model (CCM) for KK scattering based on this ¯ collective bound mode trapped between the KK pair which allows us to reproduce the full dynamics of ¯ KK¯ scattering with striking accuracy. We also study kink-antikink (KK) scattering and its description by a ¯ CCM. In this case a significant role of radiation is discovered.


Adam, C., Dorey, P., Martín-Caro, A. G., Huidobro, M., Oles, K., Romanczukiewicz, T., …Wereszczynski, A. (2022). Multikink scattering in the ϕ6 model revisited. Physical Review D, 106(12), Article 125003.

Journal Article Type Article
Acceptance Date Nov 18, 2022
Online Publication Date Dec 12, 2022
Publication Date Dec 15, 2022
Deposit Date Dec 13, 2022
Publicly Available Date Dec 13, 2022
Journal Physical Review D
Print ISSN 2470-0010
Electronic ISSN 2470-0029
Publisher American Physical Society
Peer Reviewed Peer Reviewed
Volume 106
Issue 12
Article Number 125003
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Copyright Statement
Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Funded by SCOAP3.

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