[題目] 估算量子穿隧效應的機率
[領域] (題目相關領域)
現代物理
[來源] (課本習題、考古題、參考書...)
Modern Physics 3rd edition by Serway
[題目]
請預估一顆球以0.8m/s在鞋盒內來回滾動,穿過盒子到達外面的機率為多少?
Keeping constant speed 0.8m/s, a marble rolls back and forth inside a shoebox.
Make an order-of-magnitude estimate of the probability of its escaping through
the wall of the box by quantum tunneling. State the quantities you take as
data and the values you measure or estimate for them.
[瓶頸] (寫寫自己的想法，方便大家為你解答)
小弟不太知道從何下手
小弟目前想的是以球的動能當成E,然後變可推算在盒內時的k
但是鞋盒如何用位能U來表示,以及穿出鞋盒外的k'就是小弟遇到的瓶頸
(其實小弟也不太確定上面是不是正確的估算方向)
希望各位版上的先進能稍為指點迷津
感激不盡
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