An attempt to get rid of the cosmological constant

An attempt is made to define a model which permits self-cancellation of cosmological terms. It is noted that although vacuum energy is very small, no gravitation has been witnessed in the infinite extent of the universe from the cumulative effect. A field could interact with the vacuum energy and produce condensate that cancels the vacuum energy of the interaction. The interaction would occur at a rate defined as the reciprocal of the Hubble constant. It is shown that coupling the condensate with the curvature of the universe would cancel the cosmological constant in Einstein's equations. However, the vacuum energy would not vanish completely, which has significant implications for the history of the expansion of the universe.