Rydberg molecule
E679853
A Rydberg molecule is an exotic, weakly bound molecule formed when a highly excited Rydberg atom interacts with one or more nearby ground-state atoms, leading to extremely large bond lengths and unusual quantum properties.
Statements (56)
| Predicate | Object |
|---|---|
| instanceOf |
exotic molecule
ⓘ
few-body quantum system ⓘ ultracold quantum system ⓘ weakly bound molecule ⓘ |
| bindingMechanism |
Fermi pseudopotential interaction
NERFINISHED
ⓘ
low-energy scattering of Rydberg electron from ground-state atom ⓘ |
| bindingMechanism | electron-neutral scattering ⓘ |
| bondOrigin |
electron-neutral scattering resonance
ⓘ
shape resonance in electron-atom scattering ⓘ |
| electronicState | highly excited Rydberg state ⓘ |
| existsIn |
Bose–Einstein condensates
NERFINISHED
ⓘ
optical traps ⓘ ultracold atomic gases ⓘ |
| firstExperimentalObservation | 2009 ⓘ |
| firstObservedBy |
Chris H. Greene
NERFINISHED
ⓘ
Johannes Deiglmayr NERFINISHED ⓘ Tilman Pfau NERFINISHED ⓘ |
| firstObservedIn | rubidium gas ⓘ |
| hasComponent |
Rydberg atom
NERFINISHED
ⓘ
ground-state atom ⓘ highly excited electron ⓘ |
| hasProperty |
extremely large bond length
ⓘ
giant dipole moment ⓘ high principal quantum number ⓘ long-range interaction ⓘ non-classical bond ⓘ sensitivity to external fields ⓘ ultracold temperature regime ⓘ unusual vibrational structure ⓘ very weak binding energy ⓘ |
| hasType |
butterfly Rydberg molecule
NERFINISHED
ⓘ
p-type Rydberg molecule ⓘ polyatomic Rydberg molecule ⓘ s-type Rydberg molecule ⓘ trilobite Rydberg molecule ⓘ ultralong-range Rydberg molecule ⓘ |
| lifetimeLimitedBy |
blackbody radiation
ⓘ
collisional decay ⓘ radiative decay of Rydberg state ⓘ |
| potentialApplication |
precision measurements of scattering lengths
ⓘ
probing ultracold gases ⓘ quantum simulation ⓘ |
| requiresCondition |
laser excitation to Rydberg state
ⓘ
ultracold atomic temperatures ⓘ ultrahigh vacuum ⓘ |
| studiedIn |
atomic physics
ⓘ
molecular physics ⓘ quantum information science ⓘ quantum optics ⓘ |
| theoreticalModel |
Fermi contact interaction model
NERFINISHED
ⓘ
quantum defect theory ⓘ |
| theorizedBy | Enrico Fermi NERFINISHED ⓘ |
| typicalBindingEnergy |
MHz scale
ⓘ
sub-MHz scale ⓘ |
| typicalBondLength |
hundreds of nanometers
ⓘ
tens of nanometers ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Rydberg atom