Rb s-wave scattering length

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August undefined, 2024

WebJul 24, 2014 · Through the use of a Feshbach resonance, the s-wave scattering length of the Rb85 atoms is tuned to a small negative value. ... We present a Ramsey-type atom interferometer operating with an optically trapped sample of 10^6 Bose-condensed Rb-87 atoms. The optical trap allows us to couple the F =1, mF =0>\rightarrow ... WebSection IV we address the properties of a 87Rb–40K mix-ture loaded in an optical lattice. Our concluding remarks are laid in Section V. Finally, a derivation of the virial theorem for the mixture in the 1D optical lattice is given in the Appendix. II. THEORY We consider a zero temperature mixture made of a 87Rb Bose condensate (B) and a ...

Ultracold scattering properties of the short-lived Rb isotopes

WebINIS Repository Search provides online access to one of the world's largest collections on the peaceful uses of nuclear science and technology. The International Nuclear Information System is operated by the IAEA in collaboration with over 150 members. Webdynamics of matter-wave interferometry [1, 2]. The strength of interactions is characterised through an s-wave scattering length. Accurate knowledge of scattering length values is … current temperature in bharatpur

What is physical explanation of a scattering length?

WebApr 7, 2012 · We use collective oscillations of a two-component Bose-Einstein condensate (2CBEC) of \Rb atoms prepared in the internal states $\ket{1}\equiv\ket{F=1, m_F=-1}$ … WebResonant P-wave interactions can be described by a minimal zero-range model defined by a truncated effective range expansion, so that the only 2-body interaction parameters are the inverse scattering volume and the P-… WebJul 1, 2005 · It is predicted that the cross section for inelastic processes between 23Na and 133Cs and between 40K and 133C will be small as compared with the respective elastic cross sections. We present triplet and singlet scattering lengths for X--133Cs collisions (X=6,7Li, 23Na, 39,40,41K, and 85,87Rb). We consider the short-range potential-energy … charnley incision retractor

-wavescatteringlengthsof 6Liand 7Li - CORE

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WebJul 1, 2001 · During the last 0.5s of evaporation, the bias field is tuned such that the scattering length of the 85 Rb atoms is 254a 0 , ... We probe s-wave collisions of laser-cooled 85Rb\ ... WebJul 29, 2024 · Three-body adiabatic potential curves for the Rb 85 -Rb 87 − Rb 87 system with Rb 85 -Rb 87 d-wave scattering length (a) a d = − 115 a 0 and (c) a d = 90 a 0. The Rb 87 -Rb 87 s-wave scattering length is a s = 100 a 0 with the parameter γ i j … charnley lakeWebwhere the r ave is the average backscattering coefficient of the FUT and r i is the scattering coefficient of the i-th scattering in the fiber, ... Hartog, A.H. The effect of gauge length on axially incident P-waves measured using fibre optic distributed vibration sensing. Geophys. Prospect. 2024, 65, 184–193. [Google Scholar] Ölçer, İ ... charnley hip score

"WebMay 1, 2009 · Based on the new constructed accurate singlet X 1∑+ and triplet a 3∑+ states interatomic potentials for 39K133Cs mixture, the interspecies s-wave scattering lengths and the p-wave scattering ... " - Rb s-wave scattering length

Rb s-wave scattering length

What is physical explanation of a scattering length?

WebOct 10, 2024 · This is known as S-wave scattering. In this case it is possible to solve for the differential cross section, since only the first term in the series for f ( θ) is involved: Since … WebApr 14, 2024 · High-capacity, long-distance underwater wireless optical communication (UWOC) technology is an important component in building fast, flexible underwater sensing networks. Underwater communication with light as a carrier has a large communication capacity, but channel loss induced by light attenuation and scattering largely limits the …

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WebNov 20, 2013 · On the other hand 87 Rb 170 Yb has a very small scattering length of −11.5(2.5) a.u. confirmed by the pair's extremely low thermalization rate. For isotopic … WebMar 3, 2003 · Title: Calculation of the interspecies s-wave scattering length in an ultracold Na-Rb vapor. Authors: S. B. Weiss, M. Bhattacharya, N. P. Bigelow. Download PDF …

WebThe scattering length in quantum mechanics describes low-energy scattering.For potentials that decay faster than / as , it is defined as the following low-energy limit: ⁡ =, where is the … WebJan 1, 2002 · The J' = 2 width decreases with decreasing scattering length because the d-wave contribution becomes less and less important as the s-wave Franek-Condon factor increases. Thus, the width of the J = 2, v = 0 feature can also be used in constraining the scattering length.

WebOct 1, 2003 · Abstract. We report the calculation of the interspecies scattering length for the sodium-rubidium (Na-Rb) system. We present improved hybrid potentials for the singlet … Webfor which the Pauli exclusion principle prohibits s-wave in-teractions at all, at least for identical spin states. The rich variety of ultracold gases grows when we con-sider mixtures of different species. For instance, again in 87Rb, mixtures of the total spin states uf,m&5u2,1& and u1,21& have a positive mutual scattering length @2#, making

Webnecessary to produce a condensate to measure the s-wave scattering length: temperatures in a magneto-optic trap (MOT) are sufficiently low (ł 1 mK) to limit scat-tering to a few … charnley hip historyWebThe scattering length in quantum mechanics describes low-energy scattering.For potentials that decay faster than / as , it is defined as the following low-energy limit: ⁡ =, where is the scattering length, is the wave number, and () is the phase shift of the outgoing spherical wave. The elastic cross section, , at low energies is determined solely by the scattering … current temperature in barogWebMay 20, 2013 · Using Ramsey interferometry of the 2CBEC we measure the scattering length a 22 = 95.44 (7) a 0 which also deviates from the previously reported value a 22 = 95.0 a 0 … current temperature in berthoud coWebwhere the scattering length ˚˜ is given by [2] ˚˜ 12ˇ (10) Inordertocomputethe3Se and1Se scatteringlengthsfore +Rb,Cs,andFrcollisions,we extrapolate toward zero energy the eigenphases provided by our Dirac R-matrix calculations, by using the relativistic MERT. For 0, the s-wave scattering length is de˚ned as tan [13]. charnley joineryWebSep 12, 2013 · Such a model enables an accurate prediction of the s-wave scattering lengths of all isotopic combinations of the RbYb system. The reduced mass range is … current temperature in bhamraWebFeb 13, 2009 · Using improved experimentally based X 1 Σ + and a 3 Σ + molecular potentials of NaRb, we apply the variable phase method to compute new data for low energy scattering of 23 Na atoms by 85 Rb atoms and 87 Rb atoms. These are the scattering lengths and volumes, numbers of bound states and effective ranges, which we use to … charnley kissenWebpotential.) For r > r0, the k = 0 wave function u0(r) will certainly approach a straight line of the form B(r − a), and it can be established that this a is indeed the scattering length. At this point, we see that the scattering length is deﬁned by taking the large r form of the k = 0 wave function u0(r), and asking where current temperature in beckley wv