Browsing Τμήμα Φυσικής / Department of Physics by Subject "Variational techniques"
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Article
Competing broken-symmetry and rotationally symmetric spin-singlet states in a few-electron quantum dot in a magnetic field
(2008)On the basis of developed variational many-body approach, within a second quantized formulation, the nature of the ground state of a few-electron system in a parabolic two-dimensional (2D) quantum dot (QD) is theoretically ...
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Article
Lopsided vortex cells in rotating Bose-Einstein condensates
(2015)The amplitude |Ψ| of the wavefunction of a repulsive Bose-Einstein condensate in a two-dimensional axisymmetric harmonic trap decreases as we go from the center of the condensate towards its edge. Consequently the wavefunction ...