Hydrodynamics of Spinning Particles

Details Hydrodynamics of Spinning Particles Hydrodynamics of Spinning Particles

1998-02-15

arxiv.org/abs/hep-th/9802106v1

Physics

High Energy Physics

High Energy Physics - Theory

LaTeX; 8 pages

Scientific paper

In this note, we first obtain the decomposition of the non-relativistic field velocity into the classical part (i.e., the velocity w=p/m OF the center-of-mass (CM), and the so-called quantum part (i.e., the velocity V of the motion IN the CM frame (namely, the internal spin-motion or Zitterbewegung), these two parts being orthogonal. Our starting point is the Pauli current. Then, by inserting such a composite expression of the velocity into the kinetic energy term of the non-relativistic newtonian lagrangian, we get the appearance of the so-called "quantum potential" (which makes the difference between classical and quantum behaviour) as a pure consequence of the internal motion. Such a result carries further evidence about the possibility that the quantum behaviour of micro-systems be a direct consequence of the fundamental existence of spin.

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