Scalar-graviton interaction in the noncommutative space

F. T. Brandt, M. R. Elias-Filho
2006 Physical Review D  
We obtain the leading order interaction between the graviton and the neutral scalar boson in the context of noncommutative field theory. Our approach makes use of the Ward identity associated with the invariance under a subgroup of symplectic diffeomorphisms.
doi:10.1103/physrevd.74.067704 fatcat:nvxqg5p7obectclfehwqiwtz4a