Attosecond Two-Photon Interferometry for Doubly Excited States of Helium

被引：36

作者：

Feist, J. ^{[1
]}

Nagele, S. ^{[2
]}

Ticknor, C. ^{[3
]}

Schneider, B. I. ^{[4
]}

Collins, L. A. ^{[3
]}

Burgdoerfer, J. ^{[2
]}

机构：

[1] Harvard Smithsonian Ctr Astrophys, ITAMP, Cambridge, MA 02138 USA

[2] Vienna Univ Technol, Inst Theoret Phys, A-1040 Vienna, Austria

[3] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA

[4] Natl Sci Fdn, Off Cyberinfrastruct, Arlington, VA 22230 USA

来源：

PHYSICAL REVIEW LETTERS | 2011年 / 107卷 / 09期

关键词：

EMISSION; DYNAMICS; PULSES; ATOMS;

D O I：

10.1103/PhysRevLett.107.093005

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We show that the correlation dynamics in coherently excited doubly excited resonances of helium can be followed in real time by two-photon interferometry. This approach promises to map the evolution of the two-electron wave packet onto experimentally easily accessible noncoincident single-electron spectra. We analyze the interferometric signal in terms of a semianalytical model which is validated by a numerical solution of the time-dependent two-electron Schrodinger equation in its full dimensionality.

引用

页数：5

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