[問題] 洛侖茲條件和連續方程的一致性

看板Physics作者 (nimab6666)時間2年前 (2022/02/18 15:16), 編輯推噓2(209)
留言11則, 4人參與, 2年前最新討論串1/2 (看更多)
【出處】(習題或問題的出處) Field and Wave Electromagnetics 2e P.7-12 【題目】(題目的文字敘述,如有圖片亦可提供圖片) Prove that the Lorentz condition is consistent with the equation of continuity . https://i.imgur.com/EIXQBBV.jpg
這是我目前寫到的地方,我無法證明最後一條式子的RHS=0,請問有電磁學大師可以解惑 嗎,非常感謝。 -- ※ 發信站: 批踢踢實業坊(ptt.cc), 來自: 140.117.103.103 (臺灣) ※ 文章網址: https://www.ptt.cc/bbs/Physics/M.1645168586.A.C9D.html

02/18 15:59, 2年前 , 1F
Under the Lorentz gauge condition, the scalar(vect
02/18 15:59, 1F

02/18 15:59, 2年前 , 2F
or) potential obeys the inhomogeneous wave equatio
02/18 15:59, 2F

02/18 15:59, 2年前 , 3F
n with charge(current) density as the source. Appl
02/18 15:59, 3F

02/18 15:59, 2年前 , 4F
ying the partial time derivative on above inhomoge
02/18 15:59, 4F

02/18 15:59, 2年前 , 5F
neous wave equation with the scalar potential and
02/18 15:59, 5F

02/18 15:59, 2年前 , 6F
the divergence operator on the vector potential,
02/18 15:59, 6F

02/18 15:59, 2年前 , 7F
the continuity equation will be obtained once the
02/18 15:59, 7F

02/18 15:59, 2年前 , 8F
Lorentz gauge condition is valid.
02/18 15:59, 8F

02/18 16:25, 2年前 , 9F
從算的看起來,你似乎沒在分 有prime 跟 沒prime
02/18 16:25, 9F

02/18 17:52, 2年前 , 10F
我大概知道要用什麼方法證了,感謝兩位的幫忙
02/18 17:52, 10F

02/18 18:29, 2年前 , 11F
Your formulae for A and V are under "Coulumn gauge".
02/18 18:29, 11F
文章代碼(AID): #1Y3qVAoT (Physics)
文章代碼(AID): #1Y3qVAoT (Physics)