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作者 theory 在 PTT [ Physics ] 看板的留言(推文), 共323則
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10F推:也不必打很久啦,不小心聚焦一下就燒出壞點了01/01 21:12
1F推:一些能算振動能量的計算軟體即可,因為你要算材料,所以我12/05 02:22
2F→:不熟 XD 但要提醒你,能量是可以不錯準,但 peak 高度不行12/05 02:23
4F推:我只用 Gaussian 算過分子,材料沒試過..12/06 04:05
11F推:基本上應該把 r operator 用相對論型式去寫,然後展開12/01 02:40
12F→:不過多電子原子裡很困難,因為本來就沒有 exact 解12/01 02:41
13F→:所以 s 兄那樣講應該就能大致解釋了..(抱歉我這不能抓paper12/01 02:42
17F推:如果是以 Dirac equation 出發,就不是以微擾看待,而是直12/01 13:25
18F→:接以相對論量子力學去算..這就超過我的領域啦 @@12/01 13:26
3F推:Cotton 是講 point group,Wu-Ki 那本是 lie group12/01 21:18
4F→:而 lattice 用的是 space group..group theory 是很廣的..12/01 21:18
6F推:在螢光很弱的時候,光譜上的確 Raman 及 PL 都有可能出現11/28 13:07
7F→:如果螢光不是很弱,應該就是入射光源的散射光,樣品的 size11/28 13:08
8F→:越大就越可能收到較多的散射光..至於 Raman 就找振動能量11/28 13:10
9F→:的文獻值,然後跟入射光能量相減即可推算一下..11/28 13:11
1F推:50 是啥東西? 應該是原子序吧?11/24 01:55
6F推:是因為介質有自己的能階,不同波長的光對其有不同的影響11/22 23:41
1F推:只要能固定,樣品架怎麼做都行,別讓光打到架子就好了10/24 01:38
15F推:Bohr 氫原子模型那種錯誤的東西看看就好,不用記在腦海裡..10/24 01:41
1F→:若我說的話..磁性其實是量子效應10/16 18:54
2F→:所以我不會想用古典電磁學去定量計算材料中順反磁的量 XD10/16 18:54
4F→:反磁現象用電磁學去解釋完全是矛盾的10/18 22:36