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Cooperative lumines...
Cooperative luminescence quenching on many-particle acceptors in disordered media
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- Basiev, T. T. (author)
- Institute of physics, Moscow
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- Basieva, Irina, 1974- (author)
- Linnéuniversitetet,Institutionen för datavetenskap, fysik och matematik, DFM,mathematics
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(creator_code:org_t)
- Elsevier BV, 2012
- 2012
- English.
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In: Physica A. - : Elsevier BV. - 0378-4371 .- 1873-2119. ; 391:12, s. 3526-3532
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- Many-body cooperative energy transfer is an important process in biology, medicine, photosynthesis, rare-earth-doped laser materials, responsible for up- and down-conversion of energy, optical excitation sensitization and relaxation. We present an analytical solution for long-time asymptotic of static luminescence quenching kinetics due to cooperative energy transfer to ensembles of acceptors comprised of two-, three-, and more particles. For cooperative energy transfer and cooperative luminescence quenching to n-body acceptors we have discovered a new law of power d/(nS - (n - 1)d) time dependence (d = 1, 2, 3 is the space dimension, S = 6, 8, 10 is the multipolarty of interaction: dipole-dipole, dipole-quadrupole, or quadrupole-quadrupole). The detailed numerical simulation of cooperative quenching by Monte-Carlo method confirms the theoretical result. (C) 2012 Elsevier B.V. All rights reserved.
Subject headings
- NATURVETENSKAP -- Matematik (hsv//swe)
- NATURAL SCIENCES -- Mathematics (hsv//eng)
Keyword
- Energy transfer; Down-conversion; Rare-earth ions
- Mathematics
- Matematik
Publication and Content Type
- ref (subject category)
- art (subject category)
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