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Dynamics of Unitarization by Classicalization · Around

2010

Dynamics of Unitarization by Classicalization

Dvali, Gia, Pirtskhalava, David

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We study dynamics of the classicalization phenomenon suggested in arXiv:1010.1415, according to which a class of non-renormalizable theories self-unitarizes at high-energies via creation of classical configurations (classicalons).

We study this phenomenon in an explicit model of derivatively-self-coupled scalar that serves as a prototype for a Nambu-Goldstone-St\"uckelberg field.
We prepare the initial state in form of a collapsing wave-packet of a small occupation number but of very high energy, and observe that the classical configuration indeed develops.
Our results confirm the previous estimates, showing that because of self-sourcing the wave-packet forms a classicalon configuration with radius that increases with center of mass energy.

Built on

A.I. Vainshtein, Phys. Lett. B 39 (1972) 393
1972
Earlier work this paper cites.
For a study of the suppression of non-perturbative contributions in high-energy particle collisions, see e.g., (and references therein), F. L. Bezrukov, D. Levkov, C. Rebbi, V. A. Rubakov and P. Tinyakov, Phys. Lett. B 574
1996
Earlier work this paper cites.
G. R. Dvali, G. Gabadadze and M. Porrati, Phys. Lett. B 485
2000
Earlier work this paper cites.

Similar

C. Deffayet, G. R. Dvali, G. Gabadadze and A. I. Vainshtein, Phys. Rev. D 65
2002
Cited alongside, same era.
M.A. Luty, M. Porrati and R, Rattazzi, JHEP 0309 (2003) 029 [hep-th/0303116]
2003
Cited alongside, same era.
G. Dvali, G.F. Giudice, C. Gomez and A. Kehagias, arXiv :1010.1415 [hep-ph]
Cited in the paper.
A. Gruzinov, arXiv:astro-ph/0112246
Cited in the paper.

Then

A. Nicolis, R. Rattazzi, JHEP 0406 (2004) 059 [hep-th/0404159]
2004
Later among the works it cites.
G. Dvali, S. Hofmann, J. Khoury, Phys. Rev. D76
2007
Later among the works it cites.

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