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GEM Lagrange Density in Detail (1/3)
Goal: Get to individual terms, no indicies.
Method: Expand, contract, and repeat.
Start with the GEM Lagrange density which has 1 + 4 + 16 = 21 final terms.
Expand
,
. Apply the definition of a contravariant derivative
to a contravariant vector (
) to
, and
:
Slide 8 has no stamps today.
sweetser@alum.mit.edu
,
.
Apply the definition of a contravariant derivative
) to
, and
:
,
.
Apply the definition of a contravariant derivative
) to
, and
:
