Search results for quanta

Astronomy 15 hours ago

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 ...

Nanophysics Oct 08, 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 Physics Oct 09, 2019

Physicists 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 ...

Quantum Physics 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 Physics 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. ...

Nanophysics Aug 01, 2019

From Japanese basket weaving art to nanotechnology with ion beams

The properties of high-temperature superconductors can be tailored by the introduction of artificial defects. An international research team around physicist Wolfgang Lang at the University of Vienna has succeeded in producing ...

Quantum Physics Jul 22, 2019

Physicists create record-setting quantum motion

Showcasing precise control at the quantum level, physicists at the National Institute of Standards and Technology (NIST) have developed a method for making an ion (electrically charged atom) display exact quantities of quantum-level ...

Quantum Physics Aug 21, 2019

Physicists 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 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 ...

Optics & Photonics Aug 02, 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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