2011
DOI: 10.1103/physreva.83.022713
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Cold and ultracold NH-NH collisions in magnetic fields

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Cited by 43 publications
(80 citation statements)
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“…In order to verify the accuracy of our method and computations, we also repeated the calculations of Janssen et al [37] for 15 Figure 5 presents the magnetic field dependence of γ for 15 NH -15 NH collisions computed for several collision energies. In the limit of low collision energies, the elastic cross sections are energy independent and the inelastic cross sections are inversely proportional to the collision velocity [55].…”
Section: Numerical Resultsmentioning
confidence: 99%
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“…In order to verify the accuracy of our method and computations, we also repeated the calculations of Janssen et al [37] for 15 Figure 5 presents the magnetic field dependence of γ for 15 NH -15 NH collisions computed for several collision energies. In the limit of low collision energies, the elastic cross sections are energy independent and the inelastic cross sections are inversely proportional to the collision velocity [55].…”
Section: Numerical Resultsmentioning
confidence: 99%
“…As in the previous studies of 15 NH-15 NH collisions [37,48,49], we assume that all three spin states of the 15 NH-15 NH complex are described by the nonreactive quintet surface, i.e. [50].…”
Section: Theorymentioning
confidence: 99%
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“…The inelastic cross sections are actually smaller than for spin-stretched collisions at a low energy, because the kinetic energy releases are lower and there is more centrifugal suppression. At 1 G the centrifugal suppression is so strong that a different mechanism takes over: the weak dipolar interaction can drive long-range inelastic collisions that take place outside the centrifugal barrier [56,57], producing H a and F b or F c ; Fig. 4(b) shows that this is the dominant low-energy mechanism at 1 G.…”
Section: A Atomic Hyperfine and Zeeman Levelsmentioning
confidence: 99%