Schematics of the spin-resolved CD-ARPES set-up. Credit: Nature Physics (2024). DOI: 10.1038/s41567-024-02678-8 The MIT team solved the problem using a technique called angle-resolved photoemission spectroscopy, or ARPES. Comin, Kang, and…
Category: Quantum Physics
Scientists observe ‘negative time’ in quantum experiments
Experimental physicist Daniela Angulo poses with an apparatus in the physics lab at the University of Toronto. Scientists have long known that light can sometimes appear to exit a material…
Researchers take ‘significant leap forward’ with quantum simulation of molecular electron transfer
Front row, from left to right: Peter Wolynes, Guido Pagano and Jose Onuchic. Back row, from left to right: Roman Zhuravel, Midhuna Duraisamy Suganthi and Visal So. Credit: Alex Becker/Rice…
Quantum walk computing unlocks new potential in quantum science and technology
Quantum walk applications are divided into 4 main categories: quantum computing, quantum simulation, quantum information processing, and graph-theoretic applications. Credit: Xiaogang Qiang, Shixin Ma and Haijing Song Quantum walks are…
Most precise measurement of electrically neutral beauty meson lifetime achieved
A comparison of the new ATLAS result for the B0 lifetime with the previous ATLAS result, as well as results from the LHCb, CMS, D0, CDF, Belle II, BaBar and…
Where’s my qubit? Scientists develop technique to detect atom loss
The central part of Sandia National Laboratories’ neutral-atom quantum computing apparatus, pictured here, includes a vacuum chamber and surrounding optics for trapping and controlling individual Cesium atoms. Credit: Craig Fritz…
Simple machine learning techniques can cut costs for quantum error mitigation while maintaining accuracy
A quantum circuit (left) is passed to an encoder (top) that creates a feature set for the ML model (right) based on the circuit and the quantum processor unit (QPU)…
How do you make a kilogram? Gravity can provide new answers
Credit: Pixabay/CC0 Public Domain Claus Lämmerzahl, Professor of Gravitational Physics at the University of Bremen, and Dr. Sebastian Ulbricht, scientist at the Natural Metrology Institute, have proposed in a new…
Scientists achieve nuclear spin coherence in levitating microparticles
Left: A schematic showing a levitating diamond with embedded nitrogen 14 nuclear spins. Right: The spin energy levels showing their polarization. Credit: Julien Voisin. A new study in Physical Review…
