α Decays in Superstrong Static Electric Fields<xref rid="ctp_70_5_559fn1" ref-type="fn">*</xref><fn id="ctp_70_5_559fn1"><label>*</label> <p>Supported by the National Natural Science Foundation of China under Grant Nos. 11535004, 11761161001, 11375086, 11120101005, 11175085 and 11235001, the National Key R&D Program of China under Grant No. 2018YFA0404403, the National Major State Basic Research and Development of China, under Grant No. 2016YFE0129300, and the Science and Technology Development Fund of Macau under Grant No. 008/2017/AFJ</p></fn>

α Decays in Superstrong Static Electric Fields**

Supported by the National Natural Science Foundation of China under Grant Nos. 11535004, 11761161001, 11375086, 11120101005, 11175085 and 11235001, the National Key R&D Program of China under Grant No. 2018YFA0404403, the National Major State Basic Research and Development of China, under Grant No. 2016YFE0129300, and the Science and Technology Development Fund of Macau under Grant No. 008/2017/AFJ

Bai Dong^{1, †}, Ren Zhong-Zhou^{2, ‡}

Time-dependent barrier penetrability versus the reduced time τ = t/ħ for the alpha emitter ²¹²Po. The electric field amplitude is taken to be MV/fm. The photon energy is taken to be ħω = 1 eV. The average barrier penetrability is displayed by the dashed horizontal line and turns to be .