Anomalous hydrodynamics kicks neutron stars
- Observations show that, at the beginning of their existence, neutron stars are accelerated briskly to velocities of up to a thousand kilometers per second. We argue that this remarkable effect can be explained as a manifestation of quantum anomalies on astrophysical scales. To theoretically describe the early stage in the life of neutron stars we use hydrodynamics as a systematic effective-field-theory framework. Within this framework, anomalies of the Standard Model of particle physics as underlying microscopic theory imply the presence of a particular set of transport terms, whose form is completely fixed by theoretical consistency. The resulting chiral transport effects in proto-neutron stars enhance neutrino emission along the internal magnetic field, and the recoil can explain the order of magnitude of the observed kick velocities.
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| Author: | Matthias KaminskiORCiDGND, Christoph F. Uhlemann, Marcus BleicherORCiDGND, Jürgen Schaffner-BielichORCiDGND |
|---|---|
| URN: | urn:nbn:de:hebis:30:3-546652 |
| DOI: | https://doi.org/10.1016/j.physletb.2016.06.054 |
| ISSN: | 1873-2445 |
| ISSN: | 0370-2693 |
| Parent Title (English): | Physics Letters B. |
| Publisher: | Elsevier |
| Place of publication: | Amsterdam |
| Document Type: | Article |
| Language: | English |
| Date of Publication (online): | 2016/06/28 |
| Date of first Publication: | 2016/06/28 |
| Publishing Institution: | Universitätsbibliothek Johann Christian Senckenberg |
| Release Date: | 2020/05/15 |
| Volume: | 760.2016 |
| Page Number: | 5 |
| First Page: | 170 |
| Last Page: | 174 |
| HeBIS-PPN: | 465577679 |
| Institutes: | Physik / Physik |
| Wissenschaftliche Zentren und koordinierte Programme / Frankfurt Institute for Advanced Studies (FIAS) | |
| Dewey Decimal Classification: | 5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik |
| Sammlungen: | Universitätspublikationen |
| Licence (German): |  Creative Commons - Namensnennung 4.0 |
