Time-resolved spectroscopy of doubly-excited states in helium

Christian Ott; Andreas Kaldun; Philipp Raith; Kristina Meyer; Martin Laux; Yizhu Zhang; Steffen Hagstotz; Thomas Ding; Robert Heck; Thomas Pfeifer

doi:10.1051/epjconf/20134102023

All issues

Volume 41 (2013)

EPJ Web of Conferences, 41 (2013) 02023

Abstract

Open Access

Issue		EPJ Web of Conferences Volume 41, 2013 XVIIIth International Conference on Ultrafast Phenomena


Article Number		02023
Number of page(s)		3
Section		Atomic, Molecular and Optical Science – Gas Phase
DOI		https://doi.org/10.1051/epjconf/20134102023
Published online		13 March 2013

EPJ Web of Conferences 41, 02023 (2013)
https://doi.org/10.1051/epjconf/20134102023

Time-resolved spectroscopy of doubly-excited states in helium

Christian Ott¹^,2, Andreas Kaldun¹^,2, Philipp Raith¹^,2, Kristina Meyer¹^,2, Martin Laux¹^,2, Yizhu Zhang¹^,2, Steffen Hagstotz¹^,2, Thomas Ding¹^,2, Robert Heck¹^,2 and Thomas Pfeifer¹^,2

¹ Max-Planck Institut für Kernphysik, Saupfercheckweg 1, 69117 Heidelberg, Germany
² Center for Quantum Dynamics, Ruprecht-Karls-Universität Heidelberg, 69120 Heidelberg, Germany

Abstract

A two-electron wave packet among the lowest-lying doubly-excited states in helium is experimentally observed. It creates a 1-femtosecond modulation in the transient-absorption signal modified by a time-delayed coupling laser.

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