Revealing the Influence of Molecular Chirality on Tunnel-Ionization Dynamics

News: The tunneling of a particle through a barrier is one of the most fascinating quantum phenomena. The motion taking place under the barrier, in a region forbidden by classical mechanics, is the subject of intense debate. Many experiments aim at measuring the time taken by the particle to go through the tunnel. Here, we take a completely different direction, revealing the influence of the dynamics under the barrier on the motion of the outgoing particle. Our approach combines two key elements: the barrier is chiral—its structure cannot be superimposed on its mirror image—and it rotates in time. Specifically, our barrier holds the electrons inside a chiral molecule, set spinning by a photoionizing laser field whose polarization rotates. The electrons must pass through the spinning barrier of the molecule to escape.
Laboratory : CELIA


29th of Nov. 2021


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10h30 -11h00 : Coffee break/poster installation

12h30-14h30 : lunch/discussion and poster’s presentation

16h30-open : Poster session and discussion with coffee.