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Archive for the ‘quantum physics’ category: Page 8

Dec 7, 2024

QuantumScape’s ‘Cobra’ supercharges EVs with 844 Wh/L energy density

Posted by in categories: energy, quantum physics

QuantumScape achieves a milestone with its “Cobra” separator production process for mass production of its solid-state EV battery.

Dec 6, 2024

Revolutionary AI Unlocks the Superfluidity Secrets of Neutron Stars

Posted by in categories: quantum physics, robotics/AI, space

Researchers find evidence of superfluidity in low-density neutron matter by using highly flexible neural-network representations of quantum wave functions.

A groundbreaking study employing artificial neural networks has refined our understanding of neutron superfluidity in neutron stars, proposing a cost-effective model that rivals traditional computational approaches in predicting neutron behavior and emergent quantum phenomena.

Neutron Superfluidity in Neutron Stars.

Dec 6, 2024

AI found a new way to create quantum entanglement

Posted by in categories: particle physics, quantum physics, robotics/AI

In a surprise discovery, researchers found a new way to generate quantum entanglement for particles of light, which could make building quantum information networks easier.

By Karmela Padavic-Callaghan

Dec 6, 2024

Physicists propose a quantum–optomechanical solution to dark-matter detection

Posted by in categories: cosmology, particle physics, quantum physics

An interdisciplinary collaboration between condensed-matter, quantum-optics and particle physicists has the potential to crack the search for low-mass dark matter. The proposed quantum detector builds on EQUS studies of elementary excitations in superfluid helium and advances in opto-mechanics.

Led by EQUS Research Fellow Dr. Chris Baker (UQ), study proposes direct detection of low-mass dark matter via its interactions with confined in an optomechanical cavity.

Optomechanical dark matter instrument for direct detection” was published in Physical Review D in August 2024.

Dec 6, 2024

Quantum Scientists Just Made a Major Breakthrough Using 31 Superconducting Qubits

Posted by in categories: particle physics, quantum physics

Scientists have achieved unprecedented control over quantum transport using a 31-qubit superconducting processor, opening new possibilities for next-generation electronics and thermal management. This approach allows researchers to observe and manipulate quantum particles with extraordinary precision, potentially revolutionizing how we develop future technologies.

The research, led by teams from Singapore and China, marks a significant advance in understanding how particles, energy, and information flow at the quantum level. This breakthrough could accelerate development of more efficient nanoelectronics and thermal management systems.

Dec 6, 2024

Learn Quantum Physics More Easily With This Breakthrough Approach

Posted by in categories: education, quantum physics

A team of physics educators from Italy, Hungary, Slovenia, and Germany is pioneering a new approach to teaching quantum physics in schools. Traditional classroom methods have typically emphasized the history and origins of quantum physics, which can often create challenges for learners.

The researchers, including physics education specialist Professor Philipp Bitzenbauer from Leipzig University, focus on qubits—two-state systems that are both the simplest and most crucial quantum systems, capable of describing many situations. Mastering the control and manipulation of these qubits is fundamental to advancing modern quantum technologies.

According to Bitzenbauer, until now there have been no empirical studies of the effectiveness of these approaches using two-state systems in developing conceptual understanding in learners. There is also a lack of scientific research on the specific advantages and disadvantages for learning of different teaching approaches based on two-state systems.

Dec 6, 2024

Enter the Mechanical Qubit

Posted by in categories: electronics, quantum physics

The demonstration of the first fully functioning mechanical qubit offers a new platform for quantum information processing and could lead to ultraprecise gravity sensors.

Dec 6, 2024

Emergence of steady quantum transport in a superconducting processor

Posted by in category: quantum physics

The use of quantum simulators for studying non-equilibrium quantum transport has been limited. Here the authors demonstrate the steady quantum transport between many-body qubit baths on a superconducting quantum processor, revealing insights into pure-state statistical mechanics for nonequilibrium quantum systems.

Dec 6, 2024

Experimental Quantum Gravity: Bridging the Gap Between Quantum Mechanics and General Relativity

Posted by in category: quantum physics

Avi Loeb explores how experimental quantum gravity may one day help to connect the dots between quantum mechanics and general relativity.

Dec 6, 2024

New quantum resistance standard can operate without an external magnetic field

Posted by in category: quantum physics

Scientists at the University of Würzburg and the German national metrology institute (PTB) have carried out an experiment that realizes a new kind of quantum standard of resistance. It’s based on the Quantum Anomalous Hall Effect.

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