Current and entanglement in a Bose-Hubbard lattice
  We study the generation of entanglement for interacting cold atoms in an optical lattice. The entanglement is generated by managing the interaction between two distinct atomic species. It is found that the current of one of the species can be used as a good indicator of entanglement generation. The thermalization process between the species is also shown to be closely related to the evolution of the current. 
L. Morales-Molina, S. A. Reyes and M. Orszag
cond-mat.quant-gas