The Einstein-Dirac Equation in Robertson-Walker Space-Time Does Not Admit Standard Solutions

被引:0
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作者
Antonio Zecca
机构
[1] Dipartimento di Fisica dell’ Universita’,
[2] INFN,undefined
[3] Istituto Nazionale di Fisica Nucleare,undefined
[4] GNFM,undefined
[5] Gruppo Nazionale per la Fisica Matematica,undefined
关键词
Dirac equation; Einstein-Dirac equation; Robertson-Walker space-time; Solutions;
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摘要
The Einstein-Dirac equation is considered in the Robertson-Walker space-time. Solutions of the equation are looked for in the class of standard solutions of the Dirac equation. It is shown that the Einstein-Dirac equation does not have standard solutions for both massive and massless Dirac field. Also superpositions of massive standard solutions are not solutions of the Einstein-Dirac equation. The result, that is briefly commented, is coherent and complementary to other existing results.
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页码:2305 / 2310
页数:5
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