Cosmological Inflationary Evolution Originating from Different Distributions of Matter

PANG Zhao-Guang; HUANG Yong-Chang

Chinese Physics C> 2004, Vol. 28> Issue(3) : 250-253

Cosmological Inflationary Evolution Originating from Different Distributions of Matter

PANG Zhao-Guang ,
HUANG Yong-Chang ^,

College of Physics,Hebei Normal University,Hebei 050016,China2 Department of Applied Physics,Beijing University of Technology,Beijing 100022,China

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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.

References

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.William J,Kaufmann,%,Relat ivit y and Cosmology,New York:Harper Row,19772.Rice J.Relativity,a Systemat ic Treatment of Einstein s Theory,Lon..don,New York [etc.]:Longmans,Green,19233.Linde A D.Particle Physics and Inflat ionary Cosmology,Berkshire:Harwood Academic Publ ishers,19904.Liddle A R,Lyth D H.Cosmological Inf lation and LargeScal e Struc..ture,Cambridge University Press,20005.Venzo de Sabbata,Ho Tso..Hsiu.Cosmology and Particl ePhysics,Dor..drecht; Boston: Kluwer Academic,19946.Hermann B.Cosmology,Cambridge University Press,19527.Werner I.Relat ivity,Astrophysics and Cosmology,Proceedings of theSummer School Held,14..26 August,1972 at the Banff Cent re,BanffAlberta,Dordrecht,Boston,Reidel,19738.Born M,Oppenheimer J R.Ann.Physik,1927,84:4579.Sun C P et al.Eur.Phys.,2001,D13: 14510.Sahni V.Chaos,Sol itons and Fractals,2003,16:52711.Kolb E W,TurnerM S.The Early Universe,New York: Addison..Wes-ley Publishing Company,1990

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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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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

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

Received Date: 2003-04-20

Accepted Date: 1900-01-01

Available Online: 2004-03-05

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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Cosmological Inflationary Evolution Originating from Different Distributions of Matter

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