Zeeman effect
E32703
The Zeeman effect is the splitting of atomic or molecular spectral lines into multiple components when subjected to an external magnetic field, revealing information about energy levels and magnetic moments.
Observed surface forms (2)
| Surface form | Occurrences |
|---|---|
| Paschen–Back effect | 1 |
| Zeeman Hamiltonian | 1 |
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
physical phenomenon
ⓘ
spectroscopic effect ⓘ |
| appliesTo |
atomic spectral lines
ⓘ
molecular spectral lines ⓘ |
| cause |
interaction between magnetic field and magnetic dipole moments
ⓘ
lifting of degeneracy of atomic energy levels ⓘ |
| contributedTo |
Nobel Prize in Physics
ⓘ
surface form:
Nobel Prize in Physics 1902
|
| dependsOn |
Landé g-factor
ⓘ
external magnetic field strength ⓘ magnetic quantum number ⓘ total angular momentum quantum number ⓘ |
| describes | splitting of spectral lines in a magnetic field ⓘ |
| discoveredBy | Pieter Zeeman ⓘ |
| explainedBy | Hendrik Lorentz ⓘ |
| field |
atomic physics
ⓘ
magnetism ⓘ molecular physics ⓘ quantum mechanics ⓘ spectroscopy ⓘ |
| hasSelectionRules | Δm = 0, ±1 ⓘ |
| hasType |
Zeeman effect
self-linksurface differs
ⓘ
surface form:
Paschen–Back effect
anomalous Zeeman effect ⓘ normal Zeeman effect ⓘ |
| mathematicallyDescribedBy |
Zeeman effect
self-linksurface differs
ⓘ
surface form:
Zeeman Hamiltonian
perturbation theory in quantum mechanics ⓘ |
| namedAfter | Pieter Zeeman ⓘ |
| occursWhen | atoms or molecules are placed in an external magnetic field ⓘ |
| produces |
π components
ⓘ
σ+ components ⓘ σ− components ⓘ |
| relatedTo |
Bohr magneton
ⓘ
Larmor precession ⓘ Stark effect ⓘ fine structure ⓘ hyperfine structure ⓘ magnetic dipole moment ⓘ spin–orbit coupling ⓘ |
| resultsIn |
polarization of emitted or absorbed radiation
ⓘ
splitting of energy levels ⓘ |
| reveals |
Landé g-factors
ⓘ
information about atomic energy levels ⓘ information about magnetic moments ⓘ |
| usedIn |
Zeeman slower
ⓘ
astrophysics ⓘ atomic clocks ⓘ laser cooling and trapping ⓘ magnetic field measurements in stars ⓘ magnetic resonance techniques ⓘ magneto-optical traps ⓘ plasma diagnostics ⓘ |
| yearDiscovered | 1896 ⓘ |
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Paschen–Back effect
this entity surface form:
Zeeman Hamiltonian