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Harnessing Oxygen Diffusion in Niobium Cavities for Improved Accelerator Performance

Researchers at the U.S. Department of Energy's Thomas Jefferson National Accelerator Facility are exploring how adding oxygen to the surfaces of particle accelerator cavities, one of the most critical parts of an accelerator, can help scientists custom-tailor their properties for maximum efficiency and minimum cost.

15 Jul 2024

Quantum Algorithm for Photovoltaic Energy MPPT

This study explores a quantum algorithm based on Quantum Particle Swarm Optimization (QPSO) for maximizing photovoltaic energy production under varying environmental conditions. Compared to classical methods, the quantum approach shows superior performance in scenarios like partial shading and high temperatures, demonstrating potential for improved efficiency and reliability in solar energy management.

9 Jul 2024

Time-Reversal Simulator Outperforms Classical Methods

A research team led by Guangcan Guo from the University of Science and Technology of China along with Professors from the University of Hong Kong, constructed a coherent superposition of quantum evolution with two opposite directions in a photonic system and confirmed its advantage in characterizing input-output indefiniteness

8 Jul 2024

Webb Space Telescope Discovers Early Galaxy Growth Fueled by Dramatic Merger

An international research group led by the Italian National Institute for Astrophysics observed the dramatic interaction between a quasar inside the PJ308–21 system and two massive satellite galaxies in the distant universe using the Near-Infrared Spectrograph on board the James Webb Space Telescope.

8 Jul 2024

Adapting Quantum Methods for Modern Drug Discovery

Computer-aided drug design, particularly quantum mechanics (QM) methods, offers chemically accurate insights but is limited by computational efficiency, especially for large systems. Researchers summarize recent advances in the application of QM-based methods in bioactive species characterization, structure-guided hit-to-lead optimization, and the identification of molecular features of bioactivity.

2 Jul 2024

Advanced Quantum State Control in Bilayer Graphene for Quantum Computing

A group of researchers from the Pohang University of Science and Technology and the National Institute for Materials Science have successfully controlled the quantum mechanical properties of Andreev-bound states in bilayer graphene-based Josephson junctions using gate voltage.

2 Jul 2024

Chiral Quantum Dynamics Without Encircling Exceptional Points

Researchers in the journal Light: Science & Applications demonstrated chiral behavior in a quantum system without encircling its Liouvillian exceptional points (LEPs). Using a Paul-trapped ion setup, they showed asymmetric mode conversion crucial for quantum thermodynamic cycles, highlighting the role of non-adiabatic processes like the Landau-Zener-Stückelberg phase in chiral state transfer dynamics.

1 Jul 2024

Flat Bands Boost Electron Interactions for Unconventional Material Properties

An international group of researchers led by Qimiao Si of Rice University predicts the presence of flat electronic bands at the Fermi level, which was published in the journal Nature Communications.

26 Jun 2024

X-Ray Polarimetry Sheds Light on Black Hole Environment

In a recent study published in the journal Nature Astronomy, astronomers at the University of Turku discovered that a well-known X-Ray binary—the precise nature of which has eluded scientists up until now—is actually a covert ultraluminous X-Ray source.

25 Jun 2024

Discovery of Coaligned Protostellar Outflows Sheds Light on Star Formation

A team of astronomers from various universities and the Jet Propulsion Laboratory, NASA has finally discovered a fascinating collection of protostellar outflows and captured the image directly using the Near-Infrared Camera (NIRCam) on NASA's James Webb Space Telescope.

21 Jun 2024