Exciting the IsomericTh229Nuclear State via Laser-Driven Electron Recollision,Physical Review Letters

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Exciting the IsomericTh229Nuclear State via Laser-Driven Electron Recollision
Physical Review Letters ( IF 8.1 ) Pub Date : 2021-07-27 , DOI: 10.1103/physrevlett.127.052501
Wu Wang ₁ , Jie Zhou ₂ , Boqun Liu ₂ , Xu Wang ₂

Affiliation

We propose a new approach to excite the isomeric

{}^{229}{Th}

nuclear state, which has attracted much attention recently as a potential “nuclear clock.” Our approach is based on a laser-driven electron recollision process, the core process of strong-field atomic physics. Bringing together knowledge of recollision physics and of the related nuclear physics, we calculate the isomeric excitation probability. This new approach does not require precise knowledge of the energy of the isomeric state. The excitation is well timed which may be exploited to control the coherence of the isomeric state. Experimental realization is within reach using tabletop laser systems.

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