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APS » Journals » Phys. Rev. D » Volume 56 » Issue 6
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Phys. Rev. D 56, 3756–3758 (1997)

Coherence and emergence of classical spacetime

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Sang Pyo Kim
Department of Physics, Kunsan National University, Kunsan 573-701, Korea

Jeong-Young Ji, Hak-Soo Shin, and Kwang-Sup Soh
Department of Physics Education, Seoul National University, Seoul 151-742, Korea

Received 18 March 1997; published in the issue dated 15 September 1997

Using the coherent-state representation we show that the classical Einstein equation for the Friedmann-Robertson-Walker cosmological model with a general minimal scalar field can be derived from the semiclassical quantum Einstein equation.

© 1997 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevD.56.3756
DOI:
10.1103/PhysRevD.56.3756
PACS:
04.60.Ds, 03.65.Sq, 04.62.+v
 
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