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Conditional recovery of time-reversal symmetry in many nucleus systems

Iwata, Yoritaka and Stevenson, Paul (2019) Conditional recovery of time-reversal symmetry in many nucleus systems New Journal of Physics.

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Abstract

The propagation of non-topological solitons in many-nucleus systems is studied based on timedependent density functional calculations, focusing on mass and energy dependence. The dispersive property and the nonlinearity of the system, which are inherently included in the nuclear density functional, are essential factors to form a non-topological soliton. On the other hand, soliton propagation is prevented by charge equilibration, and competition can appear between soliton formation and disruption. In this article, based on the energy-dependence of the two competitive factors, the concept of conditional recovery of time-reversal symmetry is proposed in many-nucleus systems. It clarifies the possibility of preserving the nuclear medium inside natural or artificial nuclear reactors, at a suitable temperature. From an astrophysical point of view, the existence of the low-temperature solitonic core of compact stars is suggested.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Physics
Authors :
NameEmailORCID
Iwata, Yoritaka
Stevenson, PaulP.Stevenson@surrey.ac.uk
Date : 8 March 2019
Funders : Science and Technology Facilities Council (STFC)
DOI : 10.1088/1367-2630/ab0e58
Copyright Disclaimer : As the Version of Record of this article is going to be/has been published on a gold open access basis under a CC BY 3.0 licence, this Accepted Manuscript is available for reuse under a CC BY 3.0 licence immediately. Although reasonable endeavours have been taken to obtain all necessary permissions from third parties to include their copyrighted content within this article, their full citation and copyright line may not be present in this Accepted Manuscript version. Before using any content from this article, please refer to the Version of Record on IOPscience once published for full citation and copyright details, as permission may be required. All third party content is fully copyright protected, and is not published on a gold open access basis under a CC BY licence, unless that is specifically stated in the figure caption in the Version of Record.
Depositing User : Clive Harris
Date Deposited : 21 Mar 2019 11:40
Last Modified : 21 Mar 2019 11:40
URI: http://epubs.surrey.ac.uk/id/eprint/850830

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