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Oscillon lifetime in the presence of quantum fluctuations

Saffin, Paul M.; Tognarelli, Paul; Tranberg, Anders

Authors

Paul Tognarelli

Anders Tranberg



Abstract

We consider the stability of oscillons in 2+1 space-time dimensions, in the presence of quantum fluctuations. Taking the oscillon to be the inhomogeneous mean field of a self-interacting quantum scalar field, we compare its classical evolution to the evolution in the presence of quantum fluctuations. The evolution of these and their back reaction onto the mean field is implemented through the inhomogeneous Hartree approximation, in turn computed as a statistical ensemble of field realizations. We find that although the lifetime of the oscillon is dramatically reduced compared to the classical limit, the regions of longevity are similar in the space of Gaussian initial configurations.

Citation

Saffin, P. M., Tognarelli, P., & Tranberg, A. (2014). Oscillon lifetime in the presence of quantum fluctuations. Journal of High Energy Physics, 2014(8), https://doi.org/10.1007/JHEP08%282014%29125

Journal Article Type Article
Acceptance Date Aug 2, 2014
Publication Date Aug 21, 2014
Deposit Date Apr 24, 2017
Publicly Available Date Apr 24, 2017
Journal Journal of High Energy Physics
Electronic ISSN 1029-8479
Publisher Springer Verlag
Peer Reviewed Peer Reviewed
Volume 2014
Issue 8
Article Number 125
DOI https://doi.org/10.1007/JHEP08%282014%29125
Keywords Solitons Monopoles and Instantons, Nonperturbative Effects, Lattice Quantum Field Theory, Field Theories in Lower Dimensions
Public URL http://eprints.nottingham.ac.uk/id/eprint/42152
Publisher URL http://link.springer.com/article/10.1007%2FJHEP08%282014%29125
Copyright Statement Copyright information regarding this work can be found at the following address: http://eprints.nottingh.../end_user_agreement.pdf

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Copyright Statement
Copyright information regarding this work can be found at the following address: http://eprints.nottingham.ac.uk/end_user_agreement.pdf





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