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Incoherent radiation in ann‐dimensional space

 

作者: Steven Giddings,  

 

期刊: American Journal of Physics  （AIP Available online 1984）
卷期: Volume 52, issue 12  

页码: 1125-1127

 

ISSN:0002-9505

 

年代: 1984

 

DOI:10.1119/1.13741

 

出版商: American Association of Physics Teachers

 

关键词: EINSTEIN FIELD EQUATIONS;MANY−DIMENSIONAL CALCULATIONS;EQUATIONS OF STATE;MAXWELL EQUATIONS;ELECTROMAGNETIC RADIATION;STATISTICAL MECHANICS;UNIVERSE;COSMOLOGY

 

数据来源: AIP

 

摘要:

The standard freshman kinetic theory of pressure would indicate the equation of statep=μ/nfor incoherent radiation in ann‐dimensional space. The validity of this can be demonstrated by two different methods—one using Maxwell’s equations to show the vanishing of the averaged trace of the stress energy tensor, the other following a statistical mechanical derivation. One use of the result is in the study of cosmological solutions to Einstein’s equations inndimensions.

 

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