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Attosecond angular streaking and tunnelling time in atomic hydrogen

Sainadh, U Satya; Xu, Han; Wang, Xiaoshan; Noor, Atia; Wallace, W C; Douguet, N.; Bray, Alexander; Ivanov, Igor; Bartschat, Klaus R; Kheifets, Anatoli; Sang, Robert T; Litvinyuk, I V


The tunnelling of a particle through a potential barrier is a key feature of quantum mechanics that goes to the core of wave-particle duality. The phenomenon has no counterpart in classical physics, and there are no well constructed dynamical observables that could be used to determine 'tunnelling times'. The resulting debate about whether a tunnelling quantum particle spends a finite and measurable time under a potential barrier was reignited in recent years by the advent of ultrafast lasers...[Show more]

CollectionsANU Research Publications
Date published: 2019
Type: Journal article
Source: Nature
DOI: 10.1038/s41586-019-1028-3
Access Rights: Open Access


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