Module physical
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Useful physical constants
Constantsยง
- AMU
- Atomic mass CONSTANT (kg)
- ATM
- Standard atmosphere (Pa)
- AVOGADRO
- Avogadro CONSTANT (1/mol)
- BOHR_
RADIUS - Bohr radius (m)
- BOLTZMANN
- Botzmann CONSTANT (J/K)
- ELECTRON_
CHARGE - Elementary charge (C)
- ELECTRON_
RADIUS - Electron radius (m)
- EPSILON_
0 - Vacuum electric permittivity 1/mu_0*c2 (F/m)
- GRAVITATION
- Newtonian CONSTANT of gravitation (m3 kg-1 s-2)
- HBAR
- Planck/2*pi SI (J.s)
- HBAR_EV
- Planck/2*pi eV (eV.s)
- MU_0
- Vacuum electric permittivity (N A-2)
- PI
- pi, obviously
- PLANK_
CONSTANT - Planck CONSTANT SI (J.s)
- PLANK_
CONSTANT_ EV - Planck CONSTANT eV (eV.s)
- PLANK_
LENGTH - Plank length (m)
- PLANK_
MASS - Plank mass (kg)
- PLANK_
TEMPERATURE - Plank temperature (K)
- PLANK_
TIME - Plank time (s)
- RYDBERG
- Rydberg CONSTANT (1/m)
- SPEED_
OF_ LIGHT - Speed of light in a vacuum (m/s)
- STEFAN_
BOLTZMANN - Stefan-Boltzmann CONSTANT (W m-2 K-4)
- TAU
- 2*pi