A Possible Solution to the Strong CP Problem(Particles and Fields)

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概要

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• We point out that the long-standing strong CP problem may be resolved by an anthropic argument. The key ideas are: (i) to allow explicit breaking (s) of the Peccei-Quinn symmetry which reduces the strong CP problem to the cosmological constant problem, and (ii) to conjecture that the probability distribution of the vacuum energy has a mild pressure towards higher values. The cosmological problems of the (s) axion with a large Peccei-Quinn scale are absent in our mechanism, since the axion acquires a large mass from the explicit breaking.

• 理論物理学刊行会の論文
• 2009-04-25

著者

• TAKAHASHI Fuminobu

  Institute for the Physics and Mathematics of the Universe, University of Tokyo

• Takahashi Fuminobu

  Institute For Cosmic Ray Research University Of Tokyo

• TAKAHASHI Fuminobu

  Institute for the Physics and Mathematics of the Universe, The University of Tokyo

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