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作者 theory 在 PTT [ Physics ] 看板的留言(推文), 共323則
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6F推:因為這領域的人不好徵吧12/23 23:44
2F推:水槽裡的漩渦11/29 23:42
10F推:電荷的 spin 自轉就相當於電流,雖然這是古典的觀點09/20 01:04
4F推:不管是順磁還是反磁性物質,一但移除外加磁場,熱能擾動將09/06 14:38
5F→:超越磁矩間的作用而喪失磁性,磁化 30 秒可維持 11 小時?!09/06 14:39
6F→:任何測量都有誤差,報導中的數據搞不好都在誤差範圍內09/06 14:41
2F→:推該死的Well Behavior09/05 16:44
12F推:五樓是指導 MBPT 的式子嗎? XD09/05 16:43
19F推:拜託,crystal field theory 根本是過時的理論,你選的無機09/05 16:34
20F→:教授連這種事都沒告訴你嗎?還有,我自己是化學系物化組的09/05 16:35
21F→:我在大學時就知道化學系普遍對數學就是擺爛,想強要靠自己09/05 16:36
16F推:真是一則垃圾報導,講到最後沒憑沒據到底是有沒有?08/20 14:29
2F推:鐵磁性材料有吸引磁力線的特性,將磁力線鎖在材料內08/19 09:39
3F→:材料內的磁場因材料本身的磁矩而增強,但磁力線不會露出去08/19 09:41
4F→:順磁性材料就沒吸引磁力線的威能,只能增強原有的磁場08/19 09:42
5F→:但回頭看看,這篇原 PO 畫的磁矩分布實在怪怪的..08/19 09:46
6F推:自旋是相對論效應囉,當你將量子力學與相對論結合,比如說01/04 16:37
7F→:Dirac equation,電子自旋就會自動出現在式子裡01/04 16:37
8F→:自旋的確是假想的自轉,方向及量直以產生的磁偶極而定01/04 16:40
9F→:ms 正比於自旋角動量在特殊軸 z 的分量,s 則與自旋角動量01/04 16:43
10F→:的總量有關,而名詞要怎麼定我不覺得很重要 XD01/04 16:44