LeftPartialD

Description

LeftPartialD[μ] denotes (Subscript[(∂^ ←) , μ])acting to the left.

See also:  ExpandPartialD, PartialD, LeftRightPartialD, RightPartialD.

Examples

QuantumField[A, LorentzIndex[μ]] . LeftPartialD[ν]

ExpandPartialD[%]

StandardForm[%]

StandardForm[LeftPartialD[μ]]

QuantumField[A, LorentzIndex[μ]] . 
      QuantumField[A, LorentzIndex[ν]] . LeftPartialD[ρ]

ExpandPartialD[%]

StandardForm[%]