中文

时间之箭困境的量子解

量子物理 2010-04-22 v3 混沌动力学

摘要

时间之箭困境:物理定律在时间反演下是不变的,而我们日常所见的现象却并非如此(即熵增加)。本文表明,在量子力学框架内,所有留下信息痕迹(因而可被物理学研究)的现象,都是熵必然增加或保持不变的现象。所有熵减小的现象必定不留下任何关于其发生的信息。这种情况与它们从未发生过完全无法区分。鉴于这一观察,热力学第二定律被简化为一个同义反复:物理学无法研究熵减小的过程,即使这些过程很常见。

关键词

引用

@article{arxiv.0802.0438,
  title  = {A quantum solution to the arrow-of-time dilemma},
  author = {Lorenzo Maccone},
  journal= {arXiv preprint arXiv:0802.0438},
  year   = {2010}
}

备注

Contains slightly more material than the published version (the additional material is clearly labeled in the latex source). Because of PRL's title policy, the leading "A" was left out of the title in the published paper