THE PHOTOMAGNETON (B)OVER-CAP(3) AND ELECTRODYNAMIC CONSERVATION-LAWS

被引：17
作者：
EVANS, MW
机构：
[1] Department of Physics, University of North Carolina, Charlotte, North Carolina
来源：
FOUNDATIONS OF PHYSICS LETTERS | 1994年 / 7卷 / 02期
关键词：
PHOTOMAGNETON; ELECTRODYNAMICS; CONSERVATION LAWS;
D O I：
10.1007/BF02415512
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
It is shown that the basic electrodynamical conservation laws are unaffected by the presence in free space of the photo-magneton of light, B(3) = B(0) J/HBAR the fundamental photon property responsible for magnetization by light. The expectation value B(3) = < B(3) > does not affect the Poynting vector, so that it does not contribute to electromagnetic flux density. The electromagnetic energy density can be expressed in terms of B(3)through the equation HBARomega = 1/mu0 integral B(3) . B(3) * dV. When light magnetizes matter, the unit B(3) of magnetic flux density per photon is transferred from light to matter. This is equivalent to an elastic transfer of angular momentum. Experimental indications for the existence of B(3) are discussed.
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页码：209 / 217
页数：9
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