atom interferometer


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atom interferometer

[‚ad·əm ‚in·tə·fə′räm·əd·ər]
(physics)
A device which measures the interference effects that result when a beam of atoms is manipulated in such a way that the de Broglie waves of the atoms are split into two components and subsequently recombined.
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Furthermore, the g value of Florence was measured in situ with the Atom Interferometer by the group of Tino [5, 6].
Our research and innovation programme will deliver knowledge exchange around a technology demonstrator for a space optical clock, development plans for atom interferometer satellite missions, an open source toolbox for simulations of atom interferometer performance in real-world applications and outreach to over 70 companies and the public raising awareness of the potential of optical clocks and cold atom gravimeters for economic and societal benefits, such as in global water monitoring, humanitarian de-mining, satellite navigation and broadband communication.
He and his group also developed a new atom interferometer that exceeded the accuracy of the most accurate commercial inertial sensors.
Washington, Feb 18 (ANI): A new experiment in an atom interferometer has provided for the most precise test yet of Albert Einstein's gravitational redshift.
Physicists are even rallying to put an atom interferometer in orbit to test theories like Einstein's general relativity with unparalleled exactness.
Because the atoms move much more slowly than photons, an atom interferometer of the same dimensions as one based on a light laser has the potential to be 10 billion times more sensitive in measurements of the rotation of Earth or other objects, scientists say.
Described in Applied Physics Letters, the NIST gyro is an atom interferometer.
In an atom interferometer, for example, "each atom has been split and is going both ways at once," explains David E.
It is this unique property that scientists use to create extremely sensitive atom interferometers, which contain a cloud of BEC suspended in a chamber.
The measurement that we report here represents a million-fold increase in absolute accuracy compared to measurements obtained by previous atom interferometers," said the Stanford scientists.
The aim of this project is to drastically enhance the sensitivity of atom interferometers, to deliver practical sensing devices of unprecedented sensitivity.
A new generation of high-precision gravity sensors such as torsion pendulums and atom interferometers, and future concepts for kilometer-scale gravitational-wave (GW) detectors searching for ripples in spacetime from colliding and exploding stars, will make it possible to study gravity perturbations in the frequency range 0.