| Issue |
EPJ Web Conf.
Volume 163, 2017
FUSION17
|
|
|---|---|---|
| Article Number | 00051 | |
| Number of page(s) | 5 | |
| DOI | https://doi.org/10.1051/epjconf/201716300051 | |
| Published online | 22 November 2017 | |
https://doi.org/10.1051/epjconf/201716300051
Solitonic excitations in collisions of superfluid nuclei a qualitatively new phenomenon distinct from the Josephson effect
1
Faculty of Physics, Warsaw University of Technology, ulica Koszykowa 75, 00-662 Warsaw, Poland
2
Department of Physics, University of Washington, Seattle, Washington 98195-1560, USA
* e-mail: sekizawa@if.pw.edu.pl
** e-mail: gabrielw@if.pw.edu.pl
*** e-mail: piotrm@if.pw.edu.pl
Published online: 22 November 2017
Recently, we have reported a novel role of pairing in low-energy heavy ion reactions at energies above the Coulomb barrier, which may have a detectable impact on reaction outcomes, such as the kinetic energy of fragments and the fusion cross section [arXiv:1611.10261, arXiv:1702.00069]. The phenomenon mimics the one studied experimentally with ultracold atomic gases, where two clouds of fermionic superfluids with different phases of the pairing fields are forced to merge, inducing various excitation modes of the pairing field. Although it originates from the phase difference of the pairing fields, the physics behind it is markedly different from the so-called Josephson effect. In this short contribution, we will briefly outline the results discussed in our recent papers and explain relations with the field of ultracold atomic gases.
© The Authors, published by EDP Sciences, 2017
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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