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作者 enunion 在 PTT [ Physics ] 看板的留言(推文), 共60則
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222F推:讚!!12/14 18:06
8F→:不好意思 我不懂為什麼J(t) ~ <J(t)H(t')> ?12/14 17:51
11F推:steve1012大 那不是假設 是我們取質心座標的結果06/28 00:17
5F推:量子時代終於要來了嗎06/11 17:50
3F推:什麼叫光子半徑? 是波長嗎?05/04 00:58
13F推:只要是古典不存在的地方 就是exponetiial decay11/21 01:22
14F→:也就是你解出來波函數為實數的解11/21 01:23
69F推:推 英文的確是理解上的阻礙 科學內涵中文化很重要11/21 01:20
1F推:其實直接用看的就可以了 沒有i的話si就變成了exponetial11/18 00:35
2F→:decay 也就是si 根本就沒有穩態 這是不可能的11/18 00:37
6F推:第二個理由感覺是循環證法 正因為我們設想x,p不可能測量11/18 00:17
7F→:而不互相干涉 才會使得x,p 不commute 也就是說 我們是11/18 00:17
8F→:先確立不確定性 才設定commutation relation的存在11/18 00:18
9F→:現在你用尾去證頭 當然成立11/18 00:19
10F→:當不確定性不存在時 x,p commute 就完全不能討論i的存在了11/18 00:20
11F→:因此i 的存在是否跟不確定原理有關 我覺得說法要保留11/18 00:21
12F→:但i的存在跟波動性質 有絕對的關係11/18 00:22
13F→:至於波動性跟不確定性有沒有關連 或者等價 還有待高人指點11/18 00:23
7F推:其實就是wt+kz w是頻率 k是波數10/26 11:56