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Weak localization of light in hot atomic vapors
Quantum Physics · Submitted 7 Jul 2021
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim Under these conditions, our estimates suggest that weak localization in a hot vapor should be within reach of experimental detection.
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The abstract, sentence by sentence
We theoretically explore the possibility to detect weak localization of light in a hot atomic vapor, where one usually expects the fast thermal motion of the atoms to destroy any interference in multiple scattering. To this end, we compute the coherent backscattering peak, assuming high temperature and taking into account the quantum level structure of the atomic scatterers. It is found that the decoherence due to thermal motion can be partially counterbalanced by working at large laser detuning and using small atomic cells with an elongated geometry. Under these conditions, our estimates suggest that weak localization in a hot vapor should be within reach of experimental detection.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | We theoretically explore the possibility to detect weak localization of light in a hot atomic vapor, where one usually expects the fast thermal motion of the atoms to destroy any interference in multiple scattering. | background 0.49 | 0.53 | 0.04 | hedged possibility 0.88 |
| s1 | To this end, we compute the coherent backscattering peak, assuming high temperature and taking into account the quantum level structure of the atomic scatterers. | method 0.93 | 0.93 | 0.03 | asserted 0.86 |
| s2 | It is found that the decoherence due to thermal motion can be partially counterbalanced by working at large laser detuning and using small atomic cells with an elongated geometry. | result 0.96 | 0.91 | 0.17 | asserted 0.99 |
| s3 | Under these conditions, our estimates suggest that weak localization in a hot vapor should be within reach of experimental detection. | interpretation 0.79 | 0.81 | 0.90 | hedged possibility 1.00 |
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Original abstract
We theoretically explore the possibility to detect weak localization of light in a hot atomic vapor, where one usually expects the fast thermal motion of the atoms to destroy any interference in multiple scattering. To this end, we compute the coherent backscattering peak, assuming high temperature and taking into account the quantum level structure of the atomic scatterers. It is found that the decoherence due to thermal motion can be partially counterbalanced by working at large laser detuning and using small atomic cells with an elongated geometry. Under these conditions, our estimates suggest that weak localization in a hot vapor should be within reach of experimental detection.
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Cites as background 1 paper
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In dense clouds, finally, the role of atomic motion in collective scattering has been recently investigated [ref] .
Collective effects in the photon statistics of thermal atomic ensembles · Introduction · 0.92
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