Gansukh

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Asked: Gansukh 5

February 12 2013

1 0

Hi all,

R_ab▽^a▽^bΦ where R_ab-Ricci tensor, and Φ-Scallar field, and I think derivation is covariant derivative.

How should I contract the indeces of this expression on Mapple?

Please, help me to figure it out.

Thanks in advance.

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