An electron passes through a beam splitter. Thus the wave function is now in two parts (pieces). We wait a week. Question 1: Now where is the source of the

An electron passes through a beam splitter. Thus the wave function is now in two parts (pieces). We wait a week. Question 1: Now where is the source of the Coulomb field of the electron? Question 2: Where is the source of the gravitational field of the mass of that electron?