TY - GEN AU - Köhl,M AU - Hänsch,T W AU - Esslinger,T TI - Measuring the temporal coherence of an atom laser beam SN - 0031-9007 PY - 2001///1207 N1 - Publication Type: Journal Article UR - https://doi.org/10.1103/PhysRevLett.87.160404 ER -