High Momentum Behavior of Geometric Bremsstrahlung in the Expanding Universe | Zendy

Masahiro Hotta | Zendy; H. Inoue | Zendy; I. Joichi | Zendy; M. Tanaka | Zendy

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High Momentum Behavior of Geometric Bremsstrahlung in the Expanding Universe

Author(s) -

Masahiro Hotta,

H. Inoue,

I. Joichi,

M. Tanaka

Publication year - 1996

Publication title -

progress of theoretical physics

Language(s) - English

Resource type - Journals

eISSN - 1347-4081

pISSN - 0033-068X

DOI - 10.1143/ptp.96.1103

Subject(s) - physics , bremsstrahlung , duality (order theory) , universe , scale factor (cosmology) , momentum (technical analysis) , metric expansion of space , theoretical physics , hubble's law , cosmology , classical mechanics , astrophysics , quantum mechanics , dark energy , photon , mathematics , finance , economics , discrete mathematics

We shall discuss various kinds of geometric bremsstrahlung processes in thespatially flat Robertson-Walker universe. Despite that the temperature of theuniverse is much higher than particle masses and the Hubble parameter, thetransition probability of these processes do not vanish. It is also pointed outthat explicit forms of the probability possess a new duality with respect toscale factor of background geometry.Comment: 27 pages, LATEX fil

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