Spontaneous decay in cold dense atomic systems: caloric effect and spectrum of emitted light
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Post-publication record
- Nature
- Retraction
- Reason
- Error in Data;Error in Results and/or Conclusions;
- Date
- 7/5/2016 0:00
- Flagged by OpenAlex?
- Yes
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Abstract
We discuss collision-induced spontaneous decay in a system of cold atoms and caloric effect manifesting in the heating of the atomic system during spontaneous decay. It is shown that the caloric effect is caused by inelastic atom–atom collisions accompanied by the spontaneous emission of photons. Because of the imbalance between the rate of emission of the photons with the frequency higher and lower than the atomic transition frequency, the atomic system, under some conditions, is heated up. The value of the critical temperature is found, which separates the regions where the collision-induced spontaneous decay is exothermic and endothermic.
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The record
- Venue
- Canadian Journal of Physics
- Topic
- Cold Atom Physics and Bose-Einstein Condensates
- Field
- Physics and Astronomy
- Canadian institutions
- University of Toronto
- Funders
- —
- Keywords
- PhysicsAtomic physicsSpontaneous emissionPhotonAtom (system on chip)Exothermic reactionUltracold atomQuantumQuantum mechanics
- Has abstract in OpenAlex
- yes