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Recent determinations of the white dwarf luminosity function (WDLF) from verylarge surveys have extended our knowledge of the WDLF to very highluminosities. It has been shown that the shape of the luminosity function ofwhite dwarfs (WDLF) is a powerful tool to test the possible properties andexistence of fundamental weakly interacting subelectronvolt particles. This,together with the availability of new full evolutionary white dwarf models thatare reliable at high luminosities, have opened the possibility of testingparticle emission in the core of very hot white dwarfs. We use the availableWDLFs from the Sloan Digital Sky Survey and the SuperCOSMOS Sky Survey toconstrain the values of the neutrino magnetic dipole moment ($\mu_\nu$) and theaxion-electron coupling constant ($g_{ae}$) of DFSZ-axions.

Testing Fundamental Particle Physics with the Galactic White Dwarf Luminosity Function