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1. The atom vortices are states of atoms which, are characterized by the fact that the angular momentum of the atom along its propagation axis
1. The atom vortices are states of atoms which, are characterized by the fact that the angular momentum of the atom along its propagation axis is quantized. The wave-function of an atom vortex is given in cylindrical coordinates as: (p, p, z) = AJe(ap)eitdelkz S Where A, a are constants and f = +1, +2, 13, ... is the helicity of the vortex which is associated with its angular momentum along z-axis given by L = he. The vortex carries also a momentum along z-axis given by P = hk. The function Je(ap) is a Bessel function of the first kind. Express the wave-function in spherical coordinates. Show if this function has a definite parity or not. iii) Under what conditions the following wave-function has a definite parity and what is its value? (p, p, z) = Ale(ap)elldelkz + BJm(ap)eimde-ikz Remember that the parity operator acts on a function as PF r,0, Q = Fr,x -0,4+5)
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