The possibility of using magnetooptical methods for measuring the width of domain boundaries

Efimov, V. I.; Turpanov, I. A.

doi:10.1007/bf00822171

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“…Following [38], the appropriate reduced mass is implicitly included in V Ef (R); the same is true throughout the article for all potentials. According to Efimov [7], when a → ±∞, the number of threebody Efimov states is proportional to ln(|a|/R 0 ), and is independent of the sign of a. However, the lowest adiabatic hyperspherical potential depends on the sign of a.…”

Section: The Modelmentioning

confidence: 99%

“…Three-body problems have been studied in a variety of context, such as three-body Coulomb systems [1][2][3], and nuclear three-body systems [4][5][6]. Efimov predicted that a system with three particles may have a large number of trimer states even when the dimer potential does not posses any bound states [7][8][9]. The existence of the Efimov trimer states requires the two-body scattering length a to be much larger than the characteristic range of the two-body interaction R 0 .…”

Section: Introductionmentioning

confidence: 99%

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Near Threshold Effects on Recombination and Vibrational Relaxation in Efimov Systems

2016

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We investigate the energy dependence of inelastic processes in systems which possess Efimov states. We consider the three-body recombination rate K3 where three free atoms interact to produce an atom-dimer pair, and the relaxation rate K rel where an atom quenches a weakly bound state of a dimer near an Efimov resonance to more deeply bound levels. Using a model capturing the key features of the Efimov problem, we identify new energy regimes for K3, namely the NTR (Near Threshold Resonance) regime behavior E −2 for negative scattering lengths and the NTS (Near Threshold Suppression) regime behavior E 2 for positive scattering lengths. We also confirm a previously found oscillatory behavior of K3 at higher energy E. Finally, we find that K rel behaves as E −1 in the NTR regime.

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Section: The Modelmentioning

confidence: 99%