Sentences with phrase «rubidium atoms»

We will pursue a hybrid approach, exploiting the strong single - and two - photon absorption possible in the gas - phase of rubidium atoms, together with integrated - photonics, to achieve strong interactions between photons and atoms, and use these interactions to achieve efficient quantum memories, efficient photon detectors, and reliable entangling gates.

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

In the image accompanying this article, the velocity - distribution data indicates the formation of a Bose — Einstein condensate out of a gas of rubidium atoms.

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.

«We catch hundreds of Rubidium atoms in a magnetic trap and cool them so that they form an ultracold Bose - Einstein condensate,» says Professor Jörg Schmiedmayer from the Institute for Atomic and Subatomic Physics at the Vienna University of Technology.

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.

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

The clock also has special quantum features unique to rubidium atoms that boost the signal contrast and make the detection of the clock ticks more precise.

NIST's cold - atom clock relies on about 1 million rubidium atoms held in a small glass vacuum chamber.

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.

WHAT do you get if you hurl a cloud of rubidium atoms down an empty elevator shaft?

The polarized xenon and rubidium atoms then flow into a detection chamber.

The novel design also uses the rubidium atoms to polarize the xenon atoms, boosting their NMR response, and mixes the two types of atoms in the same chamber at the detection stage, which enhances the signal strength 500-fold.

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

Andrew Daley, a physicist at the University of Innsbruck in Austria, and his colleagues provoked this bond by pumping an ultracool, high - density collection of rubidium atoms — known as a Bose - Einstein condensate — into a 3 - D «cage» of laser light, known as an optical lattice.

In one chamber, circularly polarized light transfers angular momentum to the rubidium atoms» electrons.

The rubidium atoms then exchange spin with the nuclei of the xenon atoms, enhancing their polarization and hence the NMR signal.

For the first time a team of scientists around Prof. Immanuel Bloch (Director at MPQ und Chair of Experimental Physics at the LMU), in cooperation with theorists from Dresden, have succeeded in generating incompressible magnetic quantum crystals containing several hundred rubidium atoms.

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

«The rubidium atoms play the role of little elementary magnets that have two orientations with respect to the external field.

In their experiment the scientists prepare an ensemble of about 250 to 700 rubidium atoms in an optical lattice — a checkerboard - like pattern of dark and bright spots generated by crosswise superposition of standing laser waves.

Then the xenon flows into the smaller chamber, where its polarization is measured, using the rubidium atoms in the same chamber as magnetometers.

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

As a step toward that goal, the NIST researchers demonstrated detection of digitally modulated magnetic signals, that is, messages consisting of digital bits 0 and 1, by a magnetic - field sensor that relies on the quantum properties of rubidium atoms.

To this end a cloud of extremely cold (i.e. extremely slow) rubidium atoms is loaded into an optical lattice, generated by crosswise superposition of standing laser waves.

For these studies, NIST developed a direct - current (DC) magnetometer in which polarized light is used as a detector to measure the «spin» of rubidium atoms induced by magnetic fields.

This narrow spectral band characteristic is one of the main requirements for the laser module needed for spectroscopy of the rubidium atoms and the associated precision measurements.

The recipe required a small cloud of rubidium atoms, a class of particles that like to act in unison, and a large cloud of potassium atoms, which tend to be more independent.

These rubidium atoms in conjunction with the lasers provide an «optical atomic clock» that works according to a different physical principle that the quartz clock and «ticks» about ten million times faster than the quartz unit.

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

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.

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

The Boulder researchers have cooled rubidium atoms to just 200 nanokelvin.

To trap individual neutral atoms, the researchers first used a laser to cool a cloud of rubidium atoms to ultracold, near - absolute - zero temperatures, slowing the atoms down from their usual, high - speed trajectories.

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

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.

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

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.

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.

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

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.

Atoms are dependably uniform — you would have a hard time, for instance, telling one rubidium atom from another.

He and his collaborators trapped a rubidium atom and aimed two different laser beams at it: one for probing, or transmitting, and the other one for switching.

Each molecule consists of one potassium atom bonded to one rubidium atom.

Not exact matches

Working out of a lab in WSU's Webster Hall, physicist Peter Engels and his colleagues cooled about one million atoms of rubidium to 100 billionths of a degree above absolute zero.

Here we prepare an ultracold few - body quantum state of reactants and demonstrate state - to - state chemistry for the recombination of three spin - polarized ultracold rubidium (Rb) atoms to form a weakly bound Rb2 molecule.

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

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.

It has the same attractive force as potassium and has the same size as an atom of rubidium.

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.