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Physics news

A better way to control crystal vibrations

The vibrational motion of an atom in a crystal propagates to neighboring atoms, which leads to wavelike propagation of the vibrations throughout the crystal. The way in which these natural vibrations travel through the crystalline ...

dateMay 21, 2018 in General Physics
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Quantum effects observed in photosynthesis

Molecules that are involved in photosynthesis exhibit the same quantum effects as non-living matter, concludes an international team of scientists including University of Groningen theoretical physicist Thomas la Cour Jansen. ...

dateMay 21, 2018 in Quantum Physics
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Turning entanglement upside down

A team of physicists from ICTP-Trieste and IQOQI-Innsbruck has come up with a surprisingly simple idea to investigate quantum entanglement of many particles. Instead of digging deep into the properties of quantum wave functions, ...

dateMay 21, 2018 in Quantum Physics
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Combing light for tell-tale chemical fingerprints

A laser-based technique that can scan and lock on to molecular vibrational signals that are normally too complex to resolve clearly could enable production of sensors for multi-species identification in harsh environments, ...

One-way roads for spin currents

Spin is a type of angular momentum intrinsic to particles, roughly speaking as if they were spinning on themselves. Particles can exchange their spin, and in this way spin currents can be formed in a material. Through years ...

Researchers develop module for quantum repeater

Physicists at Saarland University in Saarbrücken, Germany, have succeeded in entangling a single atom with a single photon in the telecom wavelength range. This constitutes a basic building block for transmission of quantum ...

Capillary flow is harnessed for the first time

You may never have heard of the capillary effect, but it's something you deal with every time you wipe up a spill or put flowers in water. Wouter van der Wijngaart has spent most of his life contemplating this phenomenon, ...

PROSPECTing for antineutrinos

The Precision Reactor Oscillation and Spectrum Experiment (PROSPECT) has completed the installation of a novel antineutrino detector that will probe the possible existence of a new form of matter.

Parkinson-related protein is 'tunable'

Fibrils of the protein alpha-synuclein, that plays a role in Parkinson's disease, form a stiffer and stronger network in water, when temperature is increased. Researchers of the University of Twente show that this has to ...

X-ray laser reveals ultrafast dance of liquid water

Water's lack of color, taste and smell make it seem simple – and on a molecular level, it is. However, when many water molecules come together they form a highly complex network of hydrogen bonds. This network is believed ...

Innovative light-delivery technique improves biosensors

There is a continuing need for practical chip-based sensors that can be used at the point of care to detect cancer and other diseases. An innovative way to inject light into tiny silicon microdisks could help meet this need ...

The secret to measuring an antineutrino's energy

The MINERvA collaboration analyzed data from the interactions of an antineutrino—the antimatter partner of a neutrino—with a nucleus. They were surprised to find evidence that antineutrinos interacted with pairs of particles ...

Detecting the shape of laser pulses

A team of researchers at the Center for Relativistic Laser Science, within the Institute for Basic Science (IBS) have developed a method to measure the shape of laser pulses in ambient air. Unlike conventional strategies, ...

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