QuasiCrystals as Topological Insulators

Chern Numbers in Time of Flight


Chern Numbers hiding in time of flight Images”, Erhai Zhao, Noah Bray-Ali, C. Williams, Ian Spielman and Indubala I Satija , Phys Rev A, 84, 2011, 063629 (PDF)

Dark and Bright Solitons in strongly Repulsive Bosonic Gases

Unlike weakly interacting BEC, solitons in hard core bosonic gases support both dark and bright solitons .solitary waves.These solitons survive collision and  quantum fluctuations.

“Quantum Dynamics of Solitons in Strongly Interacting Systems on Optical Lattices”, Chester P. Rubbo, Indubala I. Satija, William P. Reinhardt, Radha Balakrishnan,Ana Maria Rey,1 and Salvatore R. Manmana , Phys. Rev. A 85, 053617 (2012)