Journal Name:
- İstanbul Üniversitesi Fen Fakültesi Matematik, Fizik ve Astronomi Dergisi
Author Name | University of Author |
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Abstract (2. Language):
Dirac equation is discussed in 5-dimensional space time having topol-
ogy M4 £ T1, where M4 and T1 both are curved. It is shown that 4-dimensional
fermion can be obtained from 5-dimensional fermion, as a result of compacti¯cation
of extra dimension. It is found that the realistic 4-dimensional fermions are possible
in higher modes earlier than those in lower modes during the course of expansion of
4-dimensional universe. 4-dimensional Dirac equation, obtained from 5-dimensional
Dirac equation after compacti¯cation, is solved for an arbitrary modes for super-
heavy as well as light (realistic) fermions. Time-dependence of polarization vector
and magnetization density, as a result of Gordon-decomposition of the current vector
for 4-dimensional spin- 1
2 ¯eld (with arbitrary mode), is exhibited.
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FULL TEXT (PDF):
189-206