Attraction induced by mutual quantum measurements of velocity.

We define the notion of mutual quantum measurements of two macroscopic objects and investigate the effect of these measurements on the velocities of the objects. We show that multiple mutual quantum measurements can lead to an effective force emerging as a consequence of asymmetric diffusion in the velocity space. We further show that, under a certain set of assumptions involving the measurements of mutual Doppler shifts, the above force can reproduce Newton's law of gravitation. For a broader class of measurements, the emergent force can also lead to corrections to Newton's gravitation. [ABSTRACT FROM AUTHOR]