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astro-ph2005
Kilo-gauss Magnetic Fields in three DA White Dwarfs
R. Aznar Cuadrado, S. Jordan, R. Napiwotzki +3
We have detected longitudinal magnetic fields between 2 and 4kG in three normal DA white dwarfs (WD0446-790, WD1105-048, WD2359434) out of a sample of 12 by using optical spectr…
astro-ph2004
Constraining Gravitational Theories by Observing Magnetic White Dwarfs
Oliver Preuss, Stefan Jordan, Mark P. Haugan +1
Under the assumption of a specific nonminimal coupling of torsion to Under the assumption of a specific nonminimal coupling of torsion to electromagnetism, spacetime is birefringen…