Stark effect
E32444
The Stark effect is the splitting and shifting of atomic or molecular spectral lines caused by an external electric field.
Aliases (1)
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
physical phenomenon
→
spectroscopic effect → |
| affects |
atomic energy levels
→
molecular energy levels → spectral lines → |
| analogousTo |
Zeeman effect
→
|
| appliesTo |
ions
→
molecules → neutral atoms → |
| cause |
external electric field
→
|
| consequenceOf |
induced dipole interaction with external field
→
interaction of electric dipole with external field → |
| definition |
splitting and shifting of atomic or molecular spectral lines due to an external electric field
→
|
| dependsOn |
electric dipole moment
→
electric field strength → polarizability → |
| discoveredBy |
Johannes Stark
→
|
| discoveryYear |
1913
→
|
| field |
atomic physics
→
molecular physics → quantum mechanics → spectroscopy → |
| hasType |
linear Stark effect
→
quadratic Stark effect → |
| is |
shift of energy levels proportional to electric field in linear Stark effect
→
shift of energy levels proportional to square of electric field in quadratic Stark effect → |
| measurementTechnique |
microwave spectroscopy
→
optical spectroscopy → radiofrequency spectroscopy → |
| namedAfter |
Johannes Stark
→
|
| occursIn |
Rydberg atoms
→
atomic absorption lines → atomic emission lines → hydrogen atom → molecular rotational spectra → molecular vibrational spectra → |
| relatedConcept |
Stark broadening
→
electric field tuning of transitions → |
| relatedTo |
electric dipole interaction
→
fine structure → hyperfine structure → perturbation theory → |
| theoreticalDescription |
time-independent perturbation theory
→
|
| usedIn |
Stark deceleration of molecules
→
astrophysical spectroscopy → high-resolution spectroscopy → laser spectroscopy → measurement of electric fields → microwave spectroscopy → plasma diagnostics → |
Referenced by (3)
| Subject (surface form when different) | Predicate |
|---|---|
|
Stark effect
("Stark broadening")
→
|
relatedConcept |
|
Zeeman effect
→
|
relatedTo |
|
Rayleigh–Schrödinger perturbation theory
→
|
usedFor |