Role of confinements on the melting of Wigner molecules in quantum dots Dyuti Bhattacharya, Alexei V. Filinov, Amit Ghosal and Michael Bonitz Eur. Phys. J. B, 89 3 (2016) 60 Published online: 02 March 2016 DOI: 10.1140/epjb/e2016-60448-5