An atom interferometer for measuring loss of coherence from an atom mirror J. Estève, D. Stevens, C. Aussibal, N. Westbrook, A. Aspect and C. I. Westbrook Eur. Phys. J. D, 31 3 (2004) 487-491 Published online: 26 October 2004 DOI: 10.1140/epjd/e2004-00145-8