Cosmological Inflationary Evolution Originating from Different Distributions of Matter

  • In this paper gives a general expression of matter density ρ that is relative to cosmological different inflations, and a new general solution of the cosmological scale factor is derived out. We find that the cosmological scale factor has a composite function form of exponent inflation if the cosmological constant is positive, and the factor is a composite function of cosine if the cosmological constant is negative. The cosmological scale factor returns to the usual solved solutions when the parameters in the general density function are taken as some special values. Furthermore, a new dynamical parameter C that affects the inflation of the cosmology is found.
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PANG Zhao-Guang and HUANG Yong-Chang. Cosmological Inflationary Evolution Originating from Different Distributions of Matter[J]. Chinese Physics C, 2004, 28(3): 250-253.
PANG Zhao-Guang and HUANG Yong-Chang. Cosmological Inflationary Evolution Originating from Different Distributions of Matter[J]. Chinese Physics C, 2004, 28(3): 250-253. shu
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Received: 2003-04-20
Revised: 1900-01-01
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Cosmological Inflationary Evolution Originating from Different Distributions of Matter

    Corresponding author: HUANG Yong-Chang,
  • College of Physics,Hebei Normal University,Hebei 050016,China2 Department of Applied Physics,Beijing University of Technology,Beijing 100022,China

Abstract: In this paper gives a general expression of matter density ρ that is relative to cosmological different inflations, and a new general solution of the cosmological scale factor is derived out. We find that the cosmological scale factor has a composite function form of exponent inflation if the cosmological constant is positive, and the factor is a composite function of cosine if the cosmological constant is negative. The cosmological scale factor returns to the usual solved solutions when the parameters in the general density function are taken as some special values. Furthermore, a new dynamical parameter C that affects the inflation of the cosmology is found.

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