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Search results for quanta

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 ...

Quantum Âé¶¹ÒùÔºics Oct 9, 2019

Âé¶¹ÒùÔºicists couple key components of quantum technologies

Quantum effects are genuinely found in the world of nanostructures and allow a wide variety of new technological applications. For example, a quantum computer could in the future solve problems, which conventional computers ...

Nanophysics Oct 8, 2019

Cooling nanotube resonators with electrons

Mechanical resonators have been used with great success as new resources in quantum technology. Carbon nanotube mechanical resonators have shown to be excellent ultra-high sensitive devices for the study of new physical phenomena ...

Quantum Âé¶¹ÒùÔºics Sep 20, 2019

Researchers build a quantum dot energy harvester

Over the past few years, thermoelectric generators have become the focus of a growing number of studies, due to their ability to convert waste heat into electrical energy. Quantum dots, semiconductor crystals with distinctive ...

General Âé¶¹ÒùÔºics Sep 17, 2019

Novel mechanism of electron scattering in graphene-like 2-D materials

Understanding how particles behave at the twilight zone between the macro and the quantum world gives us access to fascinating phenomena—interesting from both the fundamental and application-oriented physics perspectives. ...

Optics & Photonics Aug 23, 2019

Save time using maths: Analytical tool designs corkscrew-shaped nano-antennae

The nanostructures from Katja Höflich's HZB team are shaped like corkscrews and made of silver. Mathematically, such a nano antenna can be regarded as an one-dimensional line that forms a helix, characterized by parameters ...

Quantum Âé¶¹ÒùÔºics Aug 21, 2019

Âé¶¹ÒùÔºicists create world's smallest engine

Theoretical physicists at Trinity College Dublin are among an international collaboration that has built the world's smallest engine—which, as a single calcium ion, is approximately ten billion times smaller than a car ...

Optics & Photonics Aug 2, 2019

New toolkit for photonics: Quantum simulation by light radio

Intensive research is being carried out on quantum simulators: they promise to precisely calculate the properties of complex quantum systems, when conventional and even supercomputers fail. In a cooperative project, theorists ...

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