Bulletin of the American Physical Society
55th Annual Meeting of the APS Division of Atomic, Molecular and Optical Physics
Monday–Friday, June 3–7, 2024; Fort Worth, Texas
Session G05: Novel Phases of Cold Atoms, Ions, and Molecules
10:30 AM–12:30 PM,
Wednesday, June 5, 2024
Room: 202AB
Chair: Murray Holland, Uuniversity of Colorado Boulder
Abstract: G05.00003 : A Coherence Microscope Based on the Matter-Wave Talbot Effect*
10:54 AM–11:06 AM
Presenter:
Mathis Fischer
(University of Hamburg)
Authors:
Mathis Fischer
(University of Hamburg)
Justus Brüggenjürgen
(Institut für Laserphysik, Univeristät Hamburg)
Christof Weitenberg
(University of Hamburg)
We realize this for a BEC of Lithium-7 atoms in a triangular lattice and map out the spatial coherence by analyzing the contrast of successive Talbot copies. The technique should also allow to reconstruct the fluctuating phase profile of individual samples imaged at a Talbot copy. This will realize a coherence microscope with spatially resolved access to phase information, which allows to study domain walls, thermally activated vortex-pairs, or to locally evaluate coherence in inhomogeneous quantum many-body systems.
*The work was funded by the European Research Council (ERC) under Grant Agreement No. 802701
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