Optical focusing of bose-einstein condensates
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 [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 … 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 …
Optical focusing of bose-einstein condensates
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WebMar 22, 2001 · Our observation of dislocations, irregular structure, and dynamics indicates that gaseous Bose-Einstein condensates may be a model system for the study of vortex matter. ... The laser power of 0.7 mW in each beam corresponded to an optical dipole potential of 115 nK. This yielded a strong, anharmonic deformation of the condensate. 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 …
WebJun 9, 2016 · A. Benedict, Dynamical instabilities inches a two-component Bose–Einstein condensate in a one dimensional optical lattice, Phys. Rev. A 75, 033621 (2007) Article … Webing a Bose-Einstein condensate.15,23,33,43 This was first observed experimentally in 1995 with vapors of rubidium and sodium.4,24 ... order of fractions of microkelvins, left to expand by switching off the con-fining trap, and subsequently imaged with optical methods.23 A sharp peak in the velocity distribution was observed below a critical ...
WebJul 31, 2003 · Superflow of a Bose–Einstein condensate in an optical lattice is represented by a Bloch wave, a plane wave with periodic modulation of the amplitude. We review the … 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).
WebJun 14, 2024 · Abstract We 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 …
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. cuny schedule of classes fall 2020WebJan 21, 2024 · We report on the experimental realization of a bosonic quantum degenerate mixture of highly-magnetic 168Er and nonmagnetic 174Yb. Quantum degeneracy is … cuny school calendarWebMay 18, 2024 · After reviewing the interpretation of laser operation as a nonequilibrium Bose-Einstein condensation phase transition, we illustrate the novel features arising from the nonequilibrium nature of photon and polariton Bose-Einstein condensates recently observed in experiments. cuny school graduate programsWebJul 29, 2024 · The rapid switching is achieved by exploiting a Bose-Einstein condensate (BEC)—a quantum state famous for exotic behavior in superconductors and cold gases—in a new way. The work paves the way to extremely high … easy bicycle clipartWeb54th Annual Meeting of the APS Division of Atomic, Molecular and Optical Physics Monday–Friday, June 5–9, 2024; Spokane, Washington Session E07: Frontiers of Atomic … easybid auctionsWebWe study spontaneous symmetry breaking in a system of two parallel quasi-one-dimensional traps (cores), equipped with optical lattices (OLs) and filled with a Bose-Einstein condensate (BEC). The cores are linearly coup… cuny school calendar 2023Web4.1 Bose Einstein's non-interacting gas 4.2 Bogoliubov theory for weakly interacting gas 4.3 Gross–Pitaevskii equation 5 Numerical solution Toggle Numerical solution subsection 5.1 Weaknesses of Gross–Pitaevskii … easy bicycle seat