Kiel Nano, Surface and Interface Science (KiNSIS)

Quantum carpets: A tool to observe decoherence (Prof. Dr. Wolfgang Schleich, University Ulm)

Jun 08, 2021 from 04:15 PM

Wolfgang SchleichQuantum carpets [1] - the spatio-temporal de Broglie density profiles- woven by an atom or an electron in the near-field region of a diffraction grating bring to light [2], in real time, the decoherence of each individual component of the interference term of the Wigner function characteristic of Schrödinger cats. The proposed experiments [2] are feasible with present-day technology.

References: [1] M. Berry, I. Marzoli, and W. Schleich, Quantum Carpets, Carpets of Light, Physics World 14, 39-44 (2001)
[2] P. Kazemi, S. Chaturvedi, I. Marzoli, R.F. O’Connell, and W.P. Schleich, Quantum carpets - a tool to observe decoherence, New J. Phys. 15, 013052 (2013)

Link to the video meeting
The talk is part of the "Physikalische Kolloquium", everybody interested is cordially invited.

 

 

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