Construction of a complex null tetrad
Calculations in the Newman–Penrose (NP) formalism of general relativity normally begin with the construction of a complex null tetrad , where is a pair of real null vectors and is a pair of complex null vectors. These tetrad vectors respect the following normalization and metric conditions assuming the spacetime signature
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*
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* In the context below, it will be shown how these three methods work. Note: In addition to the convention employed in this article, the other one in use is .
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Construction of a complex null tetrad
Calculations in the Newman–Penrose (NP) formalism of general relativity normally begin with the construction of a complex null tetrad , where is a pair of real null vectors and is a pair of complex null vectors. These tetrad vectors respect the following normalization and metric conditions assuming the spacetime signature
*
*
*
* In the context below, it will be shown how these three methods work. Note: In addition to the convention employed in this article, the other one in use is .
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Calculations in the Newman–Pen ...... cle, the other one in use is .
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Calculations in the Newman–Pen ...... cle, the other one in use is .
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Construction of a complex null tetrad
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