Mathematically classical physics equations are ones in which Plancks constant does not appear According to the correspondence principle and Ehrenfests theorem as a system becomes larger or more massive action Plancks constant the classical dynamics tends to emerge with some exceptions such as superfluidity This is why we can usually ignore quantum mechanics when dealing with everyday objects instead the classical description will suffice However one of the most vigorous ongoing fields of research in physics is classicalquantum correspondence This field of research is concerned with the discovery of how the laws of quantum physics give rise to classical physics in the limit of the large scales of the classical le