English
Related papers

Related papers: Bose-Einstein Condensation of Atomic Hydrogen

200 papers

Spin-orbit coupled Bose-Einstein condensates (BECs) provide a powerful tool to investigate interesting gauge-field related phenomena. We study the ground state properties of such a system and show that it can be mapped to the well-known…

Quantum Gases · Physics 2014-12-18 Chris Hamner , Chunlei Qu , Yongping Zhang , JiaJia Chang , Ming Gong , Chuanwei Zhang , Peter Engels

We derive the exact density profile of a harmonically trapped Bose-Einstein condensate (BEC) which has dipole-dipole interactions as well as the usual s-wave contact interaction, in the Thomas-Fermi limit. Remarkably, despite the non-local…

Soft Condensed Matter · Physics 2007-05-23 Duncan H J O'Dell , Stefano Giovanazzi , Claudia Eberlein

We report on the attainment of Bose-Einstein condensation with ultracold strontium atoms. We use the 84Sr isotope, which has a low natural abundance but offers excellent scattering properties for evaporative cooling. Accumulation in a…

Quantum Gases · Physics 2009-11-24 Simon Stellmer , Meng Khoon Tey , Bo Huang , Rudolf Grimm , Florian Schreck

We report on the successful extension of production of Bose-Einstein Condensate (BEC) to rare species. Despite its low natural abundance of 0.13%, $^{168}$Yb is directly evaporatively cooled down to BEC. Our successful demonstration…

Atomic Physics · Physics 2021-10-01 Seiji Sugawa , Rekishu Yamazaki , Shintaro Taie , Yoshiro Takahashi

The possibility of formation of Bose-Einstein Condensation (BEC) is studied in $pp$ collisions at $\sqrt s$ = 7 TeV at the Large Hadron Collider. A thermodynamically consistent non-extensive formulation of the identified hadron transverse…

High Energy Physics - Phenomenology · Physics 2021-05-12 Suman Deb , Dushmanta Sahu , Raghunath Sahoo , Anil Kumar Pradhan

The experimental realization of emergent spin-orbit coupling through laser-induced Raman transitions in ultracold atoms paves the way for exploring novel superfluid physics and simulating exotic many-body phenomena. A recent proposal with…

Quantum Gases · Physics 2015-06-02 Chunlei Qu , Kuei Sun , Chuanwei Zhang

We report the all-optical production of Bose Einstein condensates (BEC) of $^{39}$K atoms. We directly load $3 \times 10^{7}$ atoms in a large volume optical dipole trap from gray molasses on the D1 transition. We then apply a small…

Atomic Physics · Physics 2015-06-22 Guillaume Salomon , Lauriane Fouché , Steven Lepoutre , Alain Aspect , Thomas Bourdel

We present a compact, transportable system that produces Bose-Einstein condensates (BECs) near the surface of an integrated atom microchip. The system occupies a volume of 0.4 m^3 and operates at a repetition rate as high as 0.3 Hz.…

Two-photon ionization of Rubidium atoms in a magneto-optical trap and a Bose-Einstein condensate (BEC) is experimentally investigated. Using 100 ns laser pulses, we detect single ions photoionized from the condenstate with a 35(10)%…

This Resource Letter provides a guide to the literature on Bose-Einstein condensation in trapped dilute gases. Journal articles and books are cited for the following topics: history, technological advances, condensates as quantum fluids,…

Condensed Matter · Physics 2009-11-10 David S. Hall

The simplest model of three coupled Bose-Einstein Condensates (BEC) is investigated using a group theoretical method. The stationary solutions are determined using the SU(3) group under the mean field approximation. This semiclassical…

Quantum Physics · Physics 2009-11-06 K. Nemoto , C. A. Holmes , G. J. Milburn , W. J. Munro

One of the most fascinating experimental achievements of the last decade was the realization of Bose-Einstein Condensation (BEC) of ultra-cold atoms in optical lattices (OL's). The extraordinary level of control over these structures allows…

Statistical Mechanics · Physics 2015-05-13 G. S. Ng , H. Hennig , R. Fleischmann , T. Kottos , T. Geisel

We investigate a Bose-Einstein condensate (BEC) as a gravitational wave detector, and study its sensitivity by optimizing the properties of the condensate and the measurement duration. We show that detecting kilohertz gravitational waves is…

Quantum Physics · Physics 2019-07-31 Matthew P. G. Robbins , Niayesh Afshordi , Robert B. Mann

Using the rigorous path integral formalism of Feynman and Kac we prove London's eighty years old conjecture that during the superfluid transition in liquid helium Bose-Einstein condensation (BEC) takes place. The result is obtained by…

Mathematical Physics · Physics 2017-12-06 Andras Suto

We study the problem of high temperature Bose-Einstein condensation (BEC) of atom-light polaritons in a waveguide cavity appearing due to interaction of two-level atoms with (non-resonant) quantized optical radiation, in the strong coupling…

Quantum Gases · Physics 2012-05-15 I. Yu. Chestnov , A. P. Alodjants , S. M. Arakelian , J. Klaers , F. Vewinger , M. Weitz

Phase contrast imaging is used to observe Bose-Einstein condensates (BECs) at finite temperature in situ. The imaging technique is used to accurately derive the absolute phase shift of a probe laser beam due to both the condensate and the…

Quantum Gases · Physics 2009-09-25 R. Meppelink , R. A. Rozendaal , S. B. Koller , J. M. Vogels , P. van der Straten

Bose-Einstein condensation, the macroscopic ground state accumulation of particles with integer spin (bosons) at low temperature and high density, has been observed in several physical systems, including cold atomic gases and solid state…

Quantum Gases · Physics 2010-11-30 Jan Klaers , Julian Schmitt , Frank Vewinger , Martin Weitz

We discuss several possible experimental signatures of the Bose-Einstein condensation (BEC) transition for an ultracold Bose gas in an inhomogeneous optical lattice. Based on the commonly used time-of-flight imaging technique, we show that…

Superconductivity · Physics 2008-05-21 G. -D. Lin , Wei Zhang , L. -M. Duan

We report on the achieving of Bose-Einstein condensation of a dilute atomic gas based on trapping atoms in tightly confining CO_2-laser dipole potentials. Quantum degeneracy of rubidium atoms is reached by direct evaporative cooling in both…

Soft Condensed Matter · Physics 2007-05-23 Giovanni Cennini , Gunnar Ritt , Carsten Geckeler , Martin Weitz

Under suitable experimental conditions collective spin-wave excitations, magnons, form a Bose-Einstein condensate (BEC) where the spins precess with a globally coherent phase. Bose-Einstein condensation of magnons has been reported in a few…

Quantum Gases · Physics 2024-08-20 Jere T. Mäkinen , Samuli Autti , Vladimir B. Eltsov
‹ Prev 1 4 5 6 7 8 10 Next ›