Optical focusing of bose-einstein condensates

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 … 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 ...

Physics - Ultrafast Switch from a Bose-Einstein Condensate

WebBose-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). 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 … flight zl6117 https://itstaffinc.com

Role of the Mean-field in Bloch Oscillations of a Bose-Einstein ...

WebApr 12, 2024 · Since the first observation and realization of Bose–Einstein condensates [1, 2], we a rapid development in this field has been observed.Proposing a novel platform for quantum metrology based on qubit states of two Bose–Einstein condensate solitons, optically manipulated, trapped in a double-well potential, and coupled through nonlinear … WebApr 12, 2024 · A mathematical analogy between paraxial optics with two circular polarizations of light in a defocusing Kerr medium with positive dispersion, binary Bose-Einstein condensates of cold atoms in the ... Webbose-einstein condensates in a shaken optical lattice a dissertation submitted to the faculty of the division of the physical sciences in candidacy for the degree of doctor of … greater boston chinese alliance church

Atomic Bose–Einstein condensate in twisted-bilayer optical …

Category:A new state of light: Physicists observe new phase in Bose-Einstein …

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Optical focusing of bose-einstein condensates

Two-Dimensional Vortex Solitons in Spin-Orbit-Coupled Dipolar …

WebAt least twenty groups have created condensates, and the publication rate on Bose-Einstein condensation has soared following the discovery of the gaseous condensates in 1995 (see Fig. 1). Although atomic condensates and laser light share many properties, they also differ fundamentally: atoms readily interact, photons do not. As a result, the atomic WebMar 12, 2014 · Bose–Einstein condensates of rubidium atoms are transferred into one- and two-dimensional optical lattice potentials. The phase coherence of the condensate …

Optical focusing of bose-einstein condensates

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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). WebMay 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.

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 … WebTwo optical input pulses are slowed and stored in a Bose–Einstein condensate of 1〉 atoms with a density profile as shown by the blue curve. a, State 2〉 atomic imprints …

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 …

WebApr 1, 2024 · The Bose-Einstein condensate is an extreme physical state that usually only occurs at very low temperatures. What's special: The particles in this system are no longer distinguishable and are...

Webcooling 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 … flight zl669WebWe 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 … greater boston counseling servicesWebNov 29, 2024 · Abstract: We theoretically investigate the optical focusing of a rubidium Bose-Einstein condensate onto a planar surface. Our analysis uses a Gaussian variational … flight zone alliance deadwind passWebDec 1, 2024 · We theoretically investigate the optical focusing of a rubidium Bose-Einstein condensate onto a planar surface. Our analysis uses a Gaussian variational method that … greater boston chamber of commerce membershipWebJan 14, 2002 · Transport of Bose-Einstein condensates with optical tweezers Phys Rev Lett. 2002 Jan 14;88 (2):020401. doi: 10.1103/PhysRevLett.88.020401. Epub 2001 Dec 21. Authors T L Gustavson 1 , A P Chikkatur , A E Leanhardt , A Görlitz , S Gupta , D E Pritchard , W Ketterle Affiliation greater boston convention centerWebJun 14, 2024 · University of Melbourne Abstract We theoretically investigate the optical focusing of a rubidium Bose-Einstein condensate onto a planar surface. Our analysis … greater boston convention visitors bureauWebEnter the email address you signed up with and we'll email you a reset link. flight zone and point of balance