= Gravitational contact terms
{wiki=Gravitational_contact_terms}
Gravitational contact terms refer to specific kinds of contributions that arise in the context of gravitational interactions, particularly when analyzing certain physical processes in quantum gravity or effective field theories. These contact terms typically describe interactions that occur at the same point in space and time, effectively leading to divergences that need to be handled in calculations of scattering amplitudes, correlation functions, or other physical observables.
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