Search results for quanta

Quantum Physics 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. Physicists at ETH Zurich have now measured such interplay in its arguably purest form—by recording the attosecond-scale time delays associated ...

Quantum Physics 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 Physics 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. Physicists from Kaiserslautern and a colleague from Hanover have succeeded for the first time in using a single cesium atom as a ...

Quantum Physics Jan 24, 2020

On the way to quantum networks

Physicists 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 setting ...

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 ...

Astronomy Nov 20, 2019

First detection of the cosmic monster explosions with ground-based gamma-ray telescopes

The strongest explosions in the universe produce even more energetic radiation than previously known: Using specialized telescopes, two international teams have registered the highest energy gamma rays ever measured from ...

Superconductivity Oct 31, 2019

Scientists tame Josephson vortices

MIPT physicists have learned how to locally control Josephson vortices. The discovery can be used for quantum electronics superconducting devices and future quantum processors. The work has been published in the prestigious ...

Astronomy Oct 16, 2019

Scientists closer to understanding nature of ultrahigh-energy cosmic rays

With the help of a multitude of original developments, scientists hope to research the processes of birth and propagation of very-high-energy gamma rays, and in the future, to find mysterious dark matter particles that have ...

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