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Cooper Pair Induced Quasiparticles Form Gapless Superconductor

A team of researchers from China and the United States has recreated gapless superconducting quasiparticles on fragmented Fermi surfaces of bismuth telluride (Bi2Te3) thin films. An in-plane magnetic field leads to finite-momentum Cooper pairing on the topological surface states of bismuth telluride.

By William Alldred 9 Nov 2021

Researchers Unveil Largest Number of Gravitational Waves Ever Detected

A group of international researchers, including scientists from The Australian National University (ANU), have uncovered the biggest number of gravitational waves ever detected.

9 Nov 2021

Researchers Demonstrate the Viability of a “Quantum Entanglement Witness” in Solid Materials

Quantum entanglement occurs when two particles appear to communicate without a physical connection, a phenomenon Albert Einstein famously called "spooky action at a distance." Nearly 90 years later, a team led by the U.S. Department of Energy's Oak Ridge National Laboratory demonstrated the viability of a "quantum entanglement witness" capable of proving the presence of entanglement between magnetic particles, or spins, in a quantum material.

9 Nov 2021

Excess Entanglement Hinders the Training of Quantum Machine Learning Models

A group of international researchers have discovered an important barrier that prevents quantum machine learning from being trained – too much quantum entanglement.

9 Nov 2021

Four-Particle Electron Family Forms Formerly Unidentified State of Matter

Dissipationless electric energy transport—also called superconductivity—is considered an inspiration for the energy sector. Since its discovery over a century ago, researchers globally have been exploring this distinguished quantum occurrence, which, however, needs the electrons in metals to be cooled to ultra-low temperatures.

8 Nov 2021

NQCC and OQC to Collaborate to Enable Quantum Readiness in the UK

The National Quantum Computing Centre (NQCC) and Oxford Quantum Circuits (OQC), a UK-based quantum computing company, today announce the signing of a memorandum of understanding.

8 Nov 2021

Quantum Anomalous Hall Effect Discovered in a Very Simple Material

Theorists at The University of Texas at Dallas, along with colleagues in Germany, have for the first time observed a rare phenomenon called the quantum anomalous Hall effect in a very simple material. Previous experiments have detected it only in complex or delicate materials.

5 Nov 2021

First Experimental Reconstruction of a Bloch Wavefunction

Lightspeed is the fastest velocity in the universe. Except when it isn't. Anyone who's seen a prism split white light into a rainbow has witnessed how material properties can influence the behavior of quantum objects: in this case, the speed at which light propagates.

5 Nov 2021

Reinforcement Learning can Help Produce Accurate Quantum Control

In the ordinary, everyday world, we can perform measurements with nearly unlimited precision.

5 Nov 2021

Quantum Physics Provides New Insights into a Biological System

A new analytical technique is able to provide hitherto unattainable insights into the extremely rapid dynamics of biomolecules.

5 Nov 2021

Large In-Plane Anisotropic Magnetoresistance Observed in a Novel Quantum Spin Hall Insulator

A RMIT-led, international collaboration published this week has observed large in-plane anisotropic magnetoresistance (AMR) in a quantum spin Hall insulator and the spin quantization axis of the edge states can be well-defined.

5 Nov 2021

New Error-Suppression Technique Increases the Likelihood of Quantum Computing Algorithm Success Over 2500%

Q-CTRL, a startup that applies the principles of control engineering to accelerate the development of quantum technology, today announced the results of benchmarking experiments showing that an advanced error-suppression technique increases the likelihood of quantum computing algorithm success over 2500% on real hardware.

5 Nov 2021