for example, how to determine the spin of an electron?

for example, how to determine the spin of an electron?

所有跟贴·加跟贴·新语丝读书论坛

送交者: 008 于 2016-08-23, 17:27:41:

回答: 新到里paulsan的文章有一点说的不对由 whoami 于 2016-08-23, 15:36:19:

You will get a value no matter how you measure it, and you don't get any information if you don't do any measurement.

It is easy to BS when talking about QM

不是让你determine，是要你传。 - whoami (317 bytes) 2016-08-23, 19:17:24 (816015)
- 没有脱离测量的“状态”，传什么？ - 008 (70 bytes) 2016-08-23, 22:09:19 (816021)
  - 你这说法是错的 - whoami (273 bytes) 2016-08-23, 22:46:39 (816025)
    - how can you be sure the 不测量时他处于叠加态? - 008 (701 bytes) 2016-08-23, 23:46:26 (816032)
      - 不处于叠加态难道还处于本征态？叠加态就是general的状态。 - whoami (277 bytes) 2016-08-24, 00:28:41 (816034)
- “传”本身就是一个有毛病的概念 (无内容) - conner (0 bytes) 2016-08-23, 21:52:40 (816019)
  - 这里说的是传态 (无内容) - whoami (0 bytes) 2016-08-23, 22:47:15 (816026)