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Is there a "standard" coordinate system in flat spacetime which has at least one null coordinate?

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- Thread starter Dale
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- #1

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Is there a "standard" coordinate system in flat spacetime which has at least one null coordinate?

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Bill_K

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thanks Bill_K, is there a name for the advanced retarded coordinates (I mean a person's name)?

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I've seen them attributed to Brinkmann.thanks Bill_K, is there a name for the advanced retarded coordinates (I mean a person's name)?

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DrGreg

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The basis vectors of u and v are null but not orthogonal.

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Is there a "standard" coordinate system in flat spacetime which has at least one null coordinate?

Barton Zwiebach uses Light-cone Coordinates in his text book, "A First Course In String Theory." The concept is introduced in Section 2.3, page 20. The Light-cone Matrix is

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