Statements (25)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
physical equation
|
| gptkbp:describes |
ionization state of a gas
|
| gptkbp:field |
astrophysics
plasma physics |
| gptkbp:form |
\\frac{n_{i+1} n_e}{n_i} = \\frac{2Z_{i+1}}{Z_i} \\left(\\frac{2\\pi m_e k T}{h^2}\\right)^{3/2} e^{-\\chi_i/(kT)}
|
| https://www.w3.org/2000/01/rdf-schema#label |
Saha ionization equation
|
| gptkbp:namedAfter |
gptkb:Meghnad_Saha
|
| gptkbp:publishedIn |
1920
|
| gptkbp:relatedTo |
ionization state to electron density
ionization state to pressure ionization state to temperature |
| gptkbp:usedIn |
spectroscopy
stellar atmospheres |
| gptkbp:variant |
T (temperature)
Z_i (partition function of i-th state) Z_{i+1} (partition function of (i+1)-th state) \\chi_i (ionization energy from i-th state) h (Planck constant) k (Boltzmann constant) m_e (electron mass) n_e (number density of electrons) n_i (number density of atoms in i-th state) n_{i+1} (number density of atoms in (i+1)-th state) |
| gptkbp:bfsParent |
gptkb:Meghnad_Saha
|
| gptkbp:bfsLayer |
6
|