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Abstract：
In this paper we investigate the time-machine problem in the electromagnetic field. Based on a metric which is a more general form of Ori＇s, we solve the Einstein＇s equations with the energy-momentum tensors for electromagnetic field, and construct the time-machine solutions, which solve the time machine problem in electromagnetic field.
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COMMUNICATIONS IN THEORETICAL PHYSICS
ISSN： 0253-6102
CN： 11-2592/O3
Year： 2011
Issue： 1
Volume： 55
Page： 69-71
0 . 7 4 7
JCR@2011
2 . 4 0 0
JCR@2023
ESI Discipline： PHYSICS;
JCR Journal Grade：3
CAS Journal Grade：4
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SCOPUS Cited Count：
ESI Highly Cited Papers on the List： 0 Unfold All
WanFang Cited Count：
Chinese Cited Count：
30 Days PV： 1
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