Sentences with word «rubidium»

Usually, only the wave properties of single particles play a role, but now researchers at the Vienna Center for Quantum Science and Technology, Vienna University of Technology have succeeded in quantum mechanically controlling hundreds of Rubidium atoms of an ultracold Bose - Einstein - condensate by shaking it in just the right way.

On June 5, 1995 the first gaseous condensate was produced by Eric Cornell and Carl Wieman at the University of Colorado at Boulder NIST — JILA lab, in a gas of rubidium atoms cooled to 170 nanokelvins (nK).

A team of scientists in Italy used a new experimental setup, measuring the gravitational pull between a cloud of cooled rubidium atoms and tungsten weights.

Like the older NIST device, the new chip uses rubidium atoms as magnetometers to detect the xenon polarization, but they also multitask.

Cornell and Wieman were trying to cool a puff of rubidium gas to within a few billionths of a degree of absolute zero — colder than any place in nature, even the 2.73 kelvins of space.

The seemingly too small rubidium cation was successfully integrated into perovskite solar cells.

The xenon flows into the next chamber, where the atoms are polarized through collisions with rubidium atoms (red) that are illuminated with circularly polarized light.

A very sensitive force - measuring technique uses ultracold rubidium atoms in an optical cavity as a mechanical oscillator.

In their earlier work, the Colorado group observed a significant drawback of their ultracold potassium rubidium molecules: They were chemically reactive, and essentially came apart when they collided with other molecules.

Physicists at the National Institute of Standards and Technology (NIST) have demonstrated a compact atomic clock design that relies on cold rubidium atoms instead of the usual hot atoms, a switch that promises improved precision and stability.

In their experiment, researchers Chin Yue Sum, Matthias Steiner and Christian Kurtsiefer fired a red laser at a carefully - trapped Rubidium atom.

In 1951 J. M. Bijvoet, A. F. Peerdeman, and A. J. van Bommel showed, using x-ray crystallography, that the absolute arrangement of atoms in space for sodium rubidium tartarate could be determined.

The positively charged rubidium ion that it leaves behind is repelled by the positively charged nanotube and slingshots away (Physical Review Letters, DOI: 10.1103 / PhysRevLett.104.133002).

«The experiment demonstrated the comb's functionality as a comparative frequency divider between the optical rubidium transition at 384 THz and the cesium clock providing a 10 MHz reference,» said Lezius.

The molecules are polar, with a positive electric charge on rubidium and a negative charge on potassium.

Using the new approach, which harnesses the quantum interference of matter waves, the team was able to cool a sample of already - cold Rubidium down close to the fundamental temperature limit of laser cooling.

Working in a Harvard Physics Department lab, a team of researchers led by Harvard Professors Mikhail Lukin and Markus Greiner and MIT Professor Vladan Vuletic has developed a special type of quantum computer, known as a quantum simulator, which is programmed by capturing super-cooled rubidium atoms with lasers and arranging them in a specific order, then allowing quantum mechanics to do the necessary calculations.

Start with a collection of supercold rubidium atoms in a BEC state.

Two electrically neutral rubidium atoms are trapped in the centre of the cavity.

The demanding demonstration of the technology also allowed them to lay the technical foundations for examining Einstein's equivalence principle using potassium and rubidium atomic interferometers under the MAIUS project.

We show that the small and oxidation - stable rubidium cation (Rb +) can be embedded into a «cation cascade» to create perovskite materials with excellent material properties.

Manipulating rubidium atoms with lasers, scientists led by researchers from Italy gave the atoms an upward kick and observed how gravity tugged them down.

A three - atom collision leading to diatomic rubidium is elucidated quantum mechanically at ultracold temperature.

In a study described today in Nature, researchers measured the minuscule gravitational tug between rubidium atoms and a 516 - kilogram array of tungsten cylinders.

She and fellow U.C.B. physicist Jun Ye recently succeeded in making a gas of ultracold polar molecules of potassium and rubidium near the temperature of the quantum regime where Jin previously observed a fermionic condensate.

Neutron - rich krypton - 89 will then β decay repeatedly to form rubidium - 89, strontium - 89, and yttrium - 89, spitting out an antineutrino at each step.

of Rb - Sr Radioactive dating: Rb - Sr method Rubidium and strontium are trace elements in natural rocks.

The Rb - Sr method is commonly used to date Rb - rich minerals such as muscovite, biotite and K - feldspar; these same minerals usually do not incorporate much Rubidium / Strontium Dating of Meteorites.

Special Thanks to Mason Douglass as the CEO of Metric Driven Games, Alexander Brandon as the voice of the Narrator, director Rubidium Wu, and composer Mark Morgan.

Qualcomm eXtension Program members Sensory and Rubidium support the Alexa wake word on the Qualcomm CSR8670 and CSR8675 Bluetooth Audio SoCs (systems on chips).

In breaking this record, Eric Cornell and his colleagues in Boulder cooled rubidium atoms to 5 microkelvin by optical molasses, and then turned off the lasers while keeping the atoms trapped in a magnetic field.

To bring the atoms closer together to create a stronger, more stable molecule, the team employed a technique first reported in 2008 by groups from the University of Colorado, for potassium rubidium (KRb) molecules, and the University of Innsbruck, for non-polar cesium (Ce2) molecules.

To create these conditions, the team used rubidium atoms that had been cooled down to just above absolute zero using lasers.

Bijvoet's absolute structure of sodium rubidium (+)- tartrate tetrahydrate marked the first time stereochemistry had been determined by experiment (Nature 1951, DOI: 10.1038 / 168271a0).

To observe spin waves, McGuirk and physicists Heather Lewandowski and Dave Harber started with a cloud of rubidium atoms chilled to fractions of a degree above absolute zero.

In experiments with ultracold rubidium atoms MPQ scientists create magnetic quantum crystals made of gigantic Rydberg atoms.

About 1 million cold rubidium atoms are held in a vacuum chamber in the lower left of the photo.

While Rydberg polarons had previously been created with rubidium, the use of strontium allowed the physicists to more clearly resolve the energy of the coated Rydberg atoms in a way that revealed previously unseen universal characteristics.

High - power diode laser module for space applications: Micro-integrated Extended Cavity Diode Laser (ECDL) for laser spectroscopy of rubidium atoms in space.

@fiftyfive55 It's true that carbon dating is only accurate back to about 100,000 years ago, but there are other forms of radioactive decay, like Uraniam - Lead, Potassium - Argon, and Strontium - Rubidium, that allow us to date rocks quite accurately to billions of years ago.

Trace elements in breast milk include copper, zinc, barium, cadmium, caesium, cobalt, cerium, lanthanum, manganese, molybdenum, nickel, lead, rubidium, tin and strontium, and have a high bioavailability in breast milk only.

Apply a beam of matter, also made of rubidium atoms, to the BEC.

This tugs at nearby rubidium atoms which have been chilled to a fraction of a degree above absolute zero: a positive charge on the surface of the nanotubes attracts the rubidium atoms» electrons, while the positively charged nucleus is repelled.

The condensate, which is made from around 4000 cooled rubidium atoms, is trapped inside the beams by the same forces used to create optical tweezers, which can manipulate particles on a small scale.

The first photon slips into a cloud of rubidium atoms, which were chosen because they can easily be cooled to the extreme point at which they are nearly motionless.

«Also, our gate does not rely on the specific platform of rubidium atoms.

Agee's team had pegged it at 2.1 billion years, based on a radiometric dating of rubidium and strontium, averaged across the sample in bulk.