Journal
PHYSICAL REVIEW LETTERS
Volume 104, Issue 19, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.104.190402
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Funding
- NSF [DMR-0804266]
- EPSRC [GR/T23725/01]
- Engineering and Physical Sciences Research Council [GR/T23725/01, EP/D072514/1, EP/E049095/1] Funding Source: researchfish
- EPSRC [EP/D072514/1, EP/E049095/1] Funding Source: UKRI
- Direct For Mathematical & Physical Scien
- Division Of Materials Research [0804266] Funding Source: National Science Foundation
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Unless protected by the exact integrability, solitons are subject to dissipative forces, originating from a thermally fluctuating background. At low enough temperatures T background fluctuations should be considered as being quantized which enables us to calculate finite lifetime of the solitons tau similar to T-4. We also find that the coherent nature of the quantum fluctuations leads to long-range interactions between the solitons mediated by the superradiation. Our results are of relevance to current experiments with ultracold atoms, while the approach may be extended to solitons in other media.
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