a Department of Physics, University of Antwerp, Antwerp, Belgium
b Oxford University, Oxford, England, UK
c Shenyang National Laboratory for Materials Science, Institute of Metal Research and International CentreforMaterials Physics, Chinese Academy ofSciences, 72 Wenhua Road, Shenyang, 110016, P.R. China
Acknowledgements NHM acknowledges especially that his contribution to this article could not have been made without the invaluable collaborations of Dr. A.M. Murray and Professors K.I. Golden, I.A. Howard, R.I.M.A. Rashid, G. Senatore and M.P. Tosi. ZDZ acknowledges the support of the National Natural Science Foundation of China (under grant numbers 50831006 and10674139). NHM also had partial financial support from the University of Antwerp through the BOF – NOI.
References
[1] P. Schofield, J.D. Litster and J. T. Ho, Phys. Rev. Lett., 23 (1969) 1098-1102.
[2] J. T. Ho and J.D. Litster, Phys. Rev. Lett., 22 (1969) 603-606.
[3] Z.D. Zhang, Phil. Mag. 87 (2007) 5309-5419.
[4] D.J. Klein and N.H. March, Phys. Lett. A 372 (2008) 5052-5053.