Publications:

• K. Zahn, A. Wille, G. Maret, S. Sengupta, P. Nielaba
  Elastic properties of 2D colloidal crystals from video microscopy
  Phys. Rev. Lett. 90, 155506 (2003).
• Surajit Sengupta, Peter Nielaba and K. Binder,  Elastic moduli,
  dislocation core energy, and melting of hard disks
  in two dimensions  Phys. Rev. E 61, 6294 (2000).
  
• S. Sengupta, P. Nielaba,  M. Rao, and K. Binder,
  Elastic constants from microscopic strain fluctuations.        Phys. Rev. E 61, 1072 (2000).