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Probing the Equation of State of the Early Universe with a Space Laser Interferometer

Naoki SetoTheoretical Astrophysics, Mail code 130-33, California Institute of Technology, Pasadena, CA 91125, U.S.AJun'Ichi YokoyamaDepartment of Earth and Space Science, Graduate School of Science, Osaka University, Toyonaka, Osaka 560-0043

Journal of the Physical Society of Japanjournal2003en

ABI

Аннотация

We propose a method to probe the equation of state of the early universe and its evolution, using the stochastic gravitational wave background from inflation. A small deviation from purely radiation dominated universe ($w= 1/3$) would be clearly imprinted on the gravitational wave spectrum $\\Omega_{GW}(f)$ due to the nearly scale invariant nature of inflationary generated waves.

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Мавзулар

Cosmology and Gravitation Theories Pulsars and Gravitational Waves Research Dark Matter and Cosmic Phenomena

Идентификаторлар

DOI: 10.1143/jpsj.72.3082

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