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Topological Currents in Neutron Stars : Kicks , Precession , Toroidal Fields , and Magnetic Helicity
| Content Provider | Semantic Scholar |
|---|---|
| Copyright Year | 2009 |
| Abstract | The effects of anomalies in high density QCD are striking. We consider a direct application of one of these effects, namely topological currents, on the physics of neutron stars. All the elements required for topological currents are present in neutron stars: degenerate matter, large magnetic fields, and parity violating processes. These conditions lead to the creation of vector currents capable of carrying momentum and inducing magnetic fields. We estimate the size of these currents for many representative states of dense matter in the neutron star and argue that they could be responsible for the large proper motion of neutron stars (kicks), the toroidal magnetic field and finite magnetic helicity needed for stability of the poloidal field, and the resolution of the conflict between type-II superconductivity and precession. Though these observational effects appear unrelated, they likely originate from the same physics—they are all P-odd phenomena that stem from a topological current generated by parity violation. |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | http://www.phas.ubc.ca/~james/papers/topological%20currents%20in%20neutron%20stars.pdf |
| Alternate Webpage(s) | http://arxiv.org/pdf/0903.4450v1.pdf |
| Language | English |
| Access Restriction | Open |
| Subject Keyword | Abnormal degeneration Carrying GUCY2C protein, human Magnetic Fields Magnetic Resonance Imaging Neutrons Parity (physics) Stars, Celestial Superconductivity Toroidal graph |
| Content Type | Text |
| Resource Type | Article |
