Optical focusing of bose-einstein condensates
WebJan 31, 1997 · One condensate was illuminated with a focused beam of weak resonant light 20 ms before release, causing it to disappear almost completely as a result of optical pumping to untrapped states and evaporation after heating by photon recoil (Fig. 1 B). WebUsing the Crank-Nicholson method, we study the evolution of a Bose-Einstein condensate in an optical lattice and harmonic trap. The condensate is excited by displacing it from the center of the harmonic trap. The mean field plays an important role in the Bloch-like oscillations that occur after sufficiently large initial displacement.
Optical focusing of bose-einstein condensates
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WebWe report on the production of Bose–Einstein condensates of sodium atoms in the hyperfine state F = 2, m F = 2 in a crossed optical dipole trap using D 2 gray molasses. We use the gray molasses sub-Doppler cooling technique … WebWe theoretically investigate the optical focusing of a rubidium Bose-Einstein condensate onto a planar surface. Our analysis uses a Gaussian variational method that includes the effects of two-body atom-atom interactions and three-body recombination losses. The essential factors such as the width, peak density, and atom loss rate of the focused BEC …
WebThe Bose-Einstein condensate (BEC) is a very specific, interesting and fundamental kind of matter, actually a gas, consisting of atomic particles. It shows up two different genuinely quantum mechanical characteristics simultaneously. WebNov 29, 2024 · Abstract and Figures We theoretically investigate the optical focusing of a rubidium Bose-Einstein condensate onto a planar surface. Our analysis uses a Gaussian …
WebCreating stable solitons or self-trapped modes in systems with a dimension higher than one remains a challenging and attractive problem in physics, both in theory and experiments … WebBose-Einstein condensates of sodium atoms have been confined in an optical dipole trap using a single focused infrared laser beam. This eliminates the restrictions of magnetic traps for further studies of atom lasers and Bose-Einstein condensates. More than five million condensed atoms were transferred into the optical trap.
WebMar 20, 2024 · Bose-Einstein condensate (BEC), a state of matter in which separate atoms or subatomic particles, cooled to near absolute zero (0 K, − 273.15 °C, or − 459.67 °F; K = kelvin), coalesce into a single quantum mechanical entity—that is, one that can be described by a wave function—on a near-macroscopic scale. This form of matter was predicted in …
WebEnter the email address you signed up with and we'll email you a reset link. cst time texasWebMar 14, 2002 · The early experiments on Bose–Einstein condensation in dilute atomic gases accomplished three long-standing goals. First, cooling of neutral atoms into their motional ground state, thus ... early onset screening kemhhttp://ultracold.uchicago.edu/sites/default/files/thesis/lcha_thesis.pdf early onset schizophrenia dsm-5WebCreating stable solitons or self-trapped modes in systems with a dimension higher than one remains a challenging and attractive problem in physics, both in theory and experiments [1,2].The main obstacle lies in the ubiquitous cubic nonlinearity, which could be the Kerr effect in optics [] or the intrinsic ones induced by two-body scattering in Bose–Einstein … cst time to catWebBose-Einstein condensates containing more than 10723Na atoms were created in the weak field seekingF1,m F 1 state in a magnetic trap, captured in the focus of an op- tical tweezers laser beam, and transferred into an auxiliary “science” chamber as described in (23). cst time to bg timeWebcooling process [2] before traveling through a focusing po-tential. However, there are advantages to using a Bose-Einstein condensate (BEC) of neutral atoms for atom de … early onset schizophrenia in childrenWebPHYSICAL REVIEW A103, 063304 (2024) Optical focusing of Bose-Einstein condensates R. Richberg, 1,2 * S. S. Szigeti, and A. M. Martin 2 1Department of Quantum Science, … early onset sepsis screen kemh