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Search results for quanta

Quantum Âé¶¹ÒùÔºics May 26, 2020

A nice day for a quantum walk

Researchers at the Center for Quantum Information and Quantum Biology at Osaka University used trapped ions to demonstrate the spreading of vibrational quanta as part of a quantum random walk. This work relies on their exquisite ...

Nanophysics Apr 21, 2020

Cool down fast to advance quantum nanotechnology

Rapidly cooling magnon particles proves a surprisingly effective way to create an elusive quantum state of matter, called a Bose-Einstein condensate. The discovery can help advance quantum physics research and is a step towards ...

Quantum Âé¶¹ÒùÔºics Apr 15, 2020

Speeding-up quantum computing using giant atomic ions

Trapped Rydberg ions may be the next step towards scaling up quantum computers to sizes where they can be practically usable, a new study in Nature shows.

Quantum Âé¶¹ÒùÔºics Apr 14, 2020

New electronic cooling technology to enable miniaturization of quantum computers

VTT researchers have successfully demonstrated a new electronic refrigeration technology that could enable major leaps in the development of quantum computers. Present quantum computers require extremely complicated and large ...

Optics & Photonics Mar 23, 2020

Researchers measure one-photon transitions in an unbound electron

The dynamics of electrons change ever so slightly on each interaction with a photon. Âé¶¹ÒùÔºicists at ETH Zurich have now measured such interplay in its arguably purest form—by recording the attosecond-scale time delays associated ...

Quantum Âé¶¹ÒùÔºics Mar 18, 2020

The imitation game: Scientists describe and emulate new quantum state of entangled photons

A research team from ITMO University, with the help of colleagues from MIPT (Russia) and Politecnico di Torino (Italy), has predicted a novel type of topological quantum state of two photons. Scientists have also applied ...

Nanophysics Mar 6, 2020

Cooling magnets with sound

Today, most quantum experiments are carried out with the help of light, including those in nanomechanics, in which tiny objects are cooled with electromagnetic waves to such an extent that they reveal quantum properties. ...

Quantum Âé¶¹ÒùÔºics Feb 4, 2020

Single-atom probe uses quantum information for the first time

Sensors collect certain parameters such as temperature and air pressure in their proximity. Âé¶¹ÒùÔºicists from Kaiserslautern and a colleague from Hanover have succeeded for the first time in using a single cesium atom as a ...

Quantum Âé¶¹ÒùÔºics Jan 24, 2020

On the way to quantum networks

Âé¶¹ÒùÔºicists at LMU, together with colleagues at Saarland University, have successfully demonstrated the transport of an entangled state between an atom and a photon via an optic fiber over a distance of up to 20 km—thus ...

Materials Science Jan 14, 2020

Watching complex molecules at work

Time-resolved infrared spectroscopy in the sub-millisecond range is an important method for studying the relationship between function and structure in biological molecules. However, the method only works if the reaction ...

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