Ultracold atoms out of equilibrium
T. Langen, R. Geiger, and J. Schmiedmayer
Annu. Rev. Cond. Mat. Phys. 6, 201 (2015) , arxiv:1408.6377

Interferometry with Atoms
J. F. Schaff, T. Langen, and J. Schmiedmayer
Proc. Internat. School Phys. Enrico Fermi 188, 1 (2014)
see also Riv. Nuovo Cimento 34, 509 (2014)