Field Ionization Thresholds of (17, n1, n2, 0) and (17, n1, n2, 1) Stark States of Sr Atom

Chin. Phys. Lett.

1993, Vol. 10

Issue (5): 282-285 DOI:

Original Articles

Field Ionization Thresholds of (17, n₁, n₂, 0) and (17, n₁, n₂, 1) Stark States of Sr Atom

LI Jing;ZHANG Sen;CHU Xiaofeng

Department of Physics, Zhejiang University, Hangzhou 310027

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LI Jing, ZHANG Sen, CHU Xiaofeng 1993 Chin. Phys. Lett. 10 282-285

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Abstract The field ionization thresholds of n=17, |m|=0,1 Stark states of Sr atoms have been investigated by two-step excitation using ππ, πσ polarized lasers and both uniform and pulse electric fields. The results showed, contrary to the hydrogen 's, higher-energy states generally have lower ionization thresholds, and that the |m|=0,1 Sr atoms exhibit partly adiabatic behavior at several avoided crossings in the passage to ionization.

Keywords: 32.60.+i 31.60.+b

Published: 01 May 1993

PACS:	32.60.+i	(Zeeman and Stark effects)
	31.60.+b

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y1993/V10/I5/0282

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