Can Dark Matter Induce Cosmological Evolution of the Fundamental Constants of Nature?
Y. V. Stadnik and V. V. Flambaum
Phys. Rev. Lett. 115, 201301 – Published 12 November 2015
Source/Fonte: Leaderu
We demonstrate that massive fields, such as dark matter, can directly produce a cosmological evolution of the fundamental constants of nature. We show that a scalar or pseudoscalar (axionlike) dark matter field , which forms a coherently oscillating classical field and interacts with standard model particles via quadratic couplings in , produces “slow” cosmological evolution and oscillating variations of the fundamental constants. We derive limits on the quadratic interactions of with the photon, electron, and light quarks from measurements of the primordial abundance produced during big bang nucleosynthesis and recent atomic dysprosium spectroscopy measurements. These limits improve on existing constraints by up to 15 orders of magnitude. We also derive limits on the previously unconstrained linear and quadratic interactions of with the massive vector bosons from measurements of the primordial abundance.
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Received 22 April 2015
DOI:
© 2015 American Physical Society
AUTHORS & AFFILIATIONS
Y. V. Stadnik and V. V. Flambaum
School of Physics, University of New South Wales, Sydney 2052, Australia.
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Professores, pesquisadores e alunos de universidades públicas e privadas com acesso ao Portal de Periódicos CAPES/MEC podem ler este artigo da Physical Review Letters e de mais 30.000 publicações científicas.
