论文标题
莫特量子测量问题的测试
Test of a theory of the Mott quantum-measurement problem
论文作者
论文摘要
莫特问题提出：是否存在仅基于施罗丁格方程的微物理机制 - 解释了为什么在球形对称的核衰减中排出的α粒子会在云腔中产生非球体对称的单轨道？这是更通用的量子测量问题的变体。早些时候，我提出了这种机制，利用量子力学库仑散射和过饱和蒸气的热行为。我发现，轨道以距离衰减源为距离的概率与1/r^2成正比，其比例常数是我用更基本的参数表示的，但在当时无法估计。我使用互联网上的云室视频进行了机会主义的测试。在这里，我利用化学物理学独立估计比例常数。估计值在直接从数据中提取的值的1-2元素内。
The Mott problem asks: Is there a microphysical mechanism - based only on Schroedinger's equation - that explains why an alpha particle emitted in a spherically symmetric nuclear decay produces a non-spherically-symmetric single track in a cloud chamber? This is a variant of the more general quantum measurement problem. Earlier, I proposed such a mechanism, drawing on quantum-mechanical Coulomb scattering and the thermal behavior of supersaturated vapors. I found that the probability that a track originates at distance R from the decay source is proportional to 1/R^2, with a proportionality constant that I expressed in terms of more fundamental parameters but was unable to estimate at the time. I tested the 1/R^2 law opportunistically using cloud chamber video from the Internet. Here, I draw on chemical physics to independently estimate the proportionality constant. The estimate is within a factor 1-2 of a value extracted directly from the data.
