Why no late type M and much later type N white dwarfs with surface temperatures less than 3000 K had ever been observed? What are the heat sources of these later type white dwarfs? In this paper, we find that the energy source of white dwarfs is the nucleons decay catalyzed by magnetic monopoles.
References
[1]
Zhu, H.S. (2003) Text Book of Astronomy. Higher Education Press, Beijing.
Parker, E. (1970) The Origin of Magnetic Fields. Astrophysical Journal, 160, 383. https://ui.adsabs.harvard.edu/abs/1970ApJ...160..383P/abstract https://doi.org/10.1086/150442
[4]
Rubakov, V. (1981) Superheavy Magnetic Monopoles and Decay of the Proton. JETP Letters, 33, 658-660. https://ui.adsabs.harvard.edu/abs/1981JETPL..33..644R/abstract
[5]
Peng, Q.H., Lie, Z.Y. and Wang, D.Y. (1985) Content of Magnetic Monopoles in Quasars, Galactic Nuclei and Stars and Their Astrophysical Effects. Scientia Sinica, Series A—Mathematical, Physical, Astronomical and Technical Sciences, 28, 970-977. https://ui.adsabs.harvard.edu/abs/1985SSSMP..28..970P/abstract
[6]
Peng, Q. and Chou, C.K. (2001) High-Energy Radiation from a Model of Quasars, Active Galactic Nuclei, and the Galactic Center with Magnetic Monopoles. The Astrophysical Journal, 551, L23-L26. https://ui.adsabs.harvard.edu/abs/2001ApJ...551L..23P/abstract https://doi.org/10.1086/319824
[7]
Peng, Q.H., Liu, J.J. and Chou, C.K. (2017) A Unified Model of Supernova Driven by Magnetic Monopoles. Astrophysics and Space Science, 362, Article Number: 222. https://ui.adsabs.harvard.edu/abs/2017Ap%26SS.362..222P/abstract https://doi.org/10.1007/s10509-017-3201-1
[8]
Peng, Q.H., Liu, J.J. and Chou, C.K. (2020) A Magnetic-Monopole-Based Mechanism to the Formation of the Hot Big Bang Modeled Universe. Modern Physics Letters A, 35, Article ID: 2050030. https://ui.adsabs.harvard.edu/abs/2020MPLA...3550030P/abstract https://doi.org/10.1142/S0217732320500303
[9]
Knodlseder, J., Lonjou, V., Jean, P., et al. (2003) Early SPI/INTEGRAL Constraints on the Morphology of the 511 keV Line Emission in the 4th Galactic Quadrant. Astronomy and Astrophysics, 411, L457-L460. https://ui.adsabs.harvard.edu/abs/2003A26A...411L.457K/abstract https://doi.org/10.1051/0004-6361:20031437
[10]
Cheng, L.X., Leventhal, M., Smith, D.M., et al. (1997) A Maximum Entropy Map of the 511 keV Positron Annihilation Line Emission Distribution near the Galactic Center. The Astrophysical Journal, 481, L43. https://ui.adsabs.harvard.edu/abs/1997ApJ...481L..43C/abstract https://doi.org/10.1086/310638
[11]
Eatough, R.P., Falcke, H., Karuppusamy, R., et al. (2013) A Strong Magnetic Field around the Supermassive Black Hole at the Centre of the Galaxy. Nature, 501 391-394. https://ui.adsabs.harvard.edu/abs/2013Natur.501..391E/abstract https://doi.org/10.1038/nature12499
[12]
Faleke, H. and Marko, S.B. (2013) Towards the Event Horizon—The Supermassive Black Hole in the Galactic Center. Classical and Quantum Gravity, 30, Article ID: 244003. https://iopscience.iop.org/article/10.1088/0264-9381/30/24/244003 https://doi.org/10.1088/0264-9381/30/24/244003
[13]
Kolb, E. and Turner, M.S. (1984) Limits from the Soft X-Ray Background on the Temperature of Old Neutron Stars and on the Flux of Superheavy Magnetic Monopoles. Astrophysical Journal, 286, 702-710. https://ui.adsabs.harvard.edu/abs/1984ApJ...286..702K/abstract https://doi.org/10.1086/162645
