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Spin interaction
Storyboard 
The spins interact with each other tending to favor a state in which they are parallel. These are key to the existence of permanent magnetization as it allows the solid to polarize and create a field that ensures that the individual spins are not depolarized.
ID:(541, 0)
Spin interaction
Model
The spins interact with each other tending to favor a state in which they are parallel. These are key to the existence of permanent magnetization as it allows the solid to polarize and create a field that ensures that the individual spins are not depolarized.
Variables
Symbol
Text
Variable
Value
Units
Calculate
MKS Value
MKS Units
$H_0$
H_0
Campo magnético externo
kg/C s
$S_z$
S_z
Componente $z$ del spin
kg m^2/s
$S_{jz}$
S_jz
Componente $z$ del spin de la partícula $j$
kg m^2/s
$S_{kz}$
S_kz
Componente $z$ del spin de la partícula $k$
kg m^2/s
$J$
J
Constante de acoplamiento
kg m^2
$E_m$
E_m
Energía de la interacción de spines
J
$E_0$
E_0
Energía del spin en el campo externo
J
$E$
E
Energía total
J
$g$
g
Factor g
-
${\cal H}_{jk}$
cH_jk
Hamiltoneano de la interacciones entre los spines de la partícula j con la k
J
${\cal H}$
cH
Hamiltoneano de la interacciones entre los spines de las partículas
J
${\cal H}$
cH
Hamiltoneano del spin sin interacción
J
$\vec{\mu}$
&mu
Momento magnético
C m^2/s
$N$
N
Números de partículas
-
$n$
n
Números de vecinos con que existe interacción
-
$\gamma$
gamma
Radio giroscópico
C/kg
$\vec{S}$
&S
Spin de la partícula
kg m^2/s
$S_j$
S_j
Spin de la partícula $j$
kg m^2/s
$S_k$
S_k
Spin de la partícula $k$
kg m^2/s
Calculations
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then, select the variable: 
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Symbol
Equation
Solved
Translated
Calculations
Symbol
Equation
Solved
Translated
Variable
Given
Calculate
Target :
Equation
To be used
Equations
Examples
ID:(541, 0)