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As an object rotates, each location on the object moves with an instantaneous linear velocity, dependent upon its distance from the center of rotation, whereas the object as a whole rotates with a fixed angular velocity. Does the perceived rotational speed of an object correspond to its angular velocity, linear velocities, or some combination of the two? We(More)
We investigate low-density, quantum-degenerate gases in the presence of a localised attractive potential in the centre of a one-dimensional harmonic trap. The attractive potential is modelled using a parameterised δ-function, allowing us to determine all single particle eigenfunctions analytically. From these we calculate the ground state many-body(More)
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