Constants#

It is sometimes convenient to have some fundamental and derived constants predefined in the package. In micromagneticmodel, the following constants are available.

[1]:

import micromagneticmodel as mm

1. Magnetic constant#

[2]:

mm.consts.mu0

[2]:

1.2566370614359173e-06

2. Elementary charge#

[3]:

mm.consts.e

[3]:

1.6021766208e-19

3. Electron’s mass#

[4]:

mm.consts.me

[4]:

9.1093835611e-31

4. Boltzmann constant#

[5]:

mm.consts.kB

[5]:

1.3806485279e-23

5. Planck’s constant#

[6]:

mm.consts.h

[6]:

6.62607004081e-34

6. Lande g-factor#

[7]:

mm.consts.g

[7]:

2.00231930436182

7. Reduced Planck constant#

[8]:

mm.consts.hbar

[8]:

1.0545718002680283e-34

8. Gyrotropic ratio#

[9]:

mm.consts.gamma

[9]:

176085964286.56906

9. Bohr magneton#

[10]:

mm.consts.muB

[10]:

9.274009992067861e-24

10. LLG precession term gamma#

[11]:

mm.consts.gamma0

[11]:

221276.14872118403