2019 電磁気学II 9 磁性体と磁化 v1...Title 2019_電磁気学II_9_磁性体と磁化_v1 Author cho Created Date 7/21/2019 11:19:47 PM

II

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H B

E D

→H→ B

→D→E

µ

H I

B V

H I

µ

V B1[V] 1[ ]

[Wb](B

µ

E

E v B

µ

H Bµ

µs 1 (µs=1,000~10,000)--)

•

N S

N S

µ0

µm

B0

Bm

Bm = μmHm = μmHo

Bo = μoHo

Bm =μmμo

Bo

•–

•–

p2

IH

•• m

• I•

I

=A m2

m

r P

P

θ

P θ r

p.209-p.211

••

•

http://www.geocities.jp/hiroyuki0620785/k2jiki/magspin.htm

http://apmayfes2009.web.fc2.com/magnet.html

•

•

http://www1.tecnet.or.jp/lecture/chapter3/3_10_2.html

1.

2.3. N S

4. µ =

• H B E D

•

• N S

• Pe Pm

•• µ•

•H

B•

•

•

••

p.69

•H

: Ho:δ

:

Ho H

• B

B H

P

H, B• ε 2 D E

• μ 2 H BB Bn

H Ht

H B

B H

B

δ

divB=0

δ

B

ΔSB

Hδ

H

δ→0

H

H

δl

κ κ→

E

H

Hδ

H

i

is A/m

H

H

A/m

(µ>µo)

HoH Ho

HtH Ho H Ho

HH

κ µ