Quantum Physics News

A fully optical attoclock to image tunnelling wavepackets

 Quantum Physics News
 24 March 2022
Attoclocks, or attosecond clocks, are instruments that can measure time intervals on the attosecond scale by measuring the time it takes for electrons to tunnel out of atoms. The attosecond procedure was first introduced by a research team led by Ursula Keller in 2008....

New Fermi arcs could provide a new path for electronics

 Quantum Physics News
 23 March 2022
Newly discovered Fermi arcs that can be controlled through magnetism could be the future of electronics based on electron spins. These new Fermi arcs were discovered by a team of researchers from Ames Laboratory and Iowa State University, as well as collaborators from the United States, Germany, and...

Quantum sensors: Measuring even more precisely

 Quantum Physics News
 23 March 2022
Two teams of physicists have designed the first programmable quantum sensor, and tested it in the laboratory. To do so they applied techniques from quantum information processing to a measurement problem. The innovative method promises quantum sensors whose precision reaches close to the limit set...

Physicists report on first programmable quantum sensor

 Quantum Physics News
 23 March 2022
Atomic clocks are the best sensors mankind has ever built. Today, they can be found in national standards institutes or satellites of navigation systems. Scientists all over the world are working to further optimize the precision of these clocks. Now, a research group led by Peter Zoller, a theorist...

Quantum interference directed chiral Raman scattering in 2-D enantiomers

 Quantum Physics News
 23 March 2022
Raman scattering spectroscopy is a necessary and accurate method to characterize lattice structure and probe electron-photon and electron-phonon interactions. In the quantum realm, electrons at the ground states can be excited to intermediate energy levels by photons, then be coupled to phonons to...

Quantum dots shine bright to help scientists see inflammatory cells in fat

 Quantum Physics News
 22 March 2022
To accurately diagnose and treat diseases, doctors and researchers need to see inside bodies. Medical imaging tools have come a long way since the humble x-ray, but most existing tools remain too coarse to quantify numbers or specific types of cells inside deep tissues of the body. Quantum dots can...

Qubits: Developing long-distance quantum telecommunications networks

 Quantum Physics News
 22 March 2022
Computers, smartphones, GPS: quantum physics has enabled many technological advances. It is now opening up new fields of research in cryptography (the art of coding messages) with the aim of developing ultra-secure telecommunications networks. There is one obstacle, however: after a few hundred...

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