Origin of the Negative Pressure for Relativistic Boson Condensate

Chin. Phys. Lett.

2000, Vol. 17

Issue (1): 76-78 DOI:

Original Articles

Origin of the Negative Pressure for Relativistic Boson Condensate

ZHANG Yang

Astrophysics Center, University of Science and Technology of China, National Astronomical Observatories, Chinese Academy of Sciences, Hefei 230026

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ZHANG Yang 2000 Chin. Phys. Lett. 17 76-78

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Abstract We study the physical origin of the negative pressure for quantum scalar fields in inflationary models. The vacuum state and other quantum coherent states are explicitly constructed for the charged and uncharged relativistic boson condensates, in which the pressure takes negative values.

Keywords: 98.80.Cq 05.30.Jp

Published: 01 January 2000

PACS:	98.80.Cq	(Particle-theory and field-theory models of the early Universe (including cosmic pancakes, cosmic strings, chaotic phenomena, inflationary universe, etc.))
	05.30.Jp	(Boson systems)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2000/V17/I1/076

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