Atomtronic Matter-Wave Lensing.

Pandey, Saurabh; Mas, Hector; Vasilakis, Georgios; von Klitzing, Wolf

Pandey, Saurabh; Mas, Hector; Vasilakis, Georgios; von Klitzing, Wolf.

Afiliación

Pandey S; Institute of Electronic Structure and Laser, Foundation for Research and Technology-Hellas, Heraklion 70013, Greece.
Mas H; Department of Materials, Science and Technology, University of Crete, Heraklion 70013, Greece; Physics Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA.
Vasilakis G; Institute of Electronic Structure and Laser, Foundation for Research and Technology-Hellas, Heraklion 70013, Greece.
von Klitzing W; Department of Physics, University of Crete, Heraklion 70013, Greece; Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California 91109, USA.

Phys Rev Lett ; 126(17): 170402, 2021 Apr 30.

Article en En | MEDLINE | ID: mdl-33988404

RESUMEN

In this Letter, we demonstrate magnetogravitational matter-wave lensing as a novel tool in atom-optics in atomtronic waveguides. We collimate and focus matter waves originating from Bose-Einstein condensates and ultracold thermal atoms in ring-shaped time-averaged adiabatic potentials. We demonstrate "delta-kick cooling" of Bose-Einstein condensates, reducing their expansion energies by a factor of 46 down to 800 pK. The atomtronic waveguide ring has a diameter of less than one millimeter, compared to other state-of-the-art experiments requiring zero gravity or free-flight distances of ten meters and more. This level of control with extremely reduced spatial requirements is an important step toward atomtronic quantum sensors.

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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Phys Rev Lett Año: 2021 Tipo del documento: Article País de afiliación: Grecia Pais de publicación: Estados Unidos

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