Tag

Moire Patterns

All articles tagged with #moire patterns

technology22 days ago•3 min saved

Quantum-Inspired Method Cracks Massive Quantum Materials in Seconds

A quantum-inspired algorithm using tensor networks lets researchers rapidly simulate enormous, non-periodic quantum materials such as topological quasicrystals and super-moiré systems (up to 268 million sites). By encoding colossal quantum spaces, the method achieves speeds unreachable by conventional computing, potentially accelerating the design of quantum materials and topological qubits and enabling future quantum computers to reduce heat in AI data centers; validation may follow in real quantum hardware via ongoing Finnish infrastructure projects.

via SciTechDaily|

#moire-patterns #quantum-computing #quasicrystals

science11 months ago•2 min saved

Crafting Cosmic Spiral Galaxies with Dots and Plastic Sheets

Tim from Grand Illusions demonstrates how overlapping dot patterns on paper and acetate, when slightly rotated, create mesmerizing moiré patterns that resemble cosmic spiral galaxies, showcasing a simple yet profound optical illusion.

via Boing Boing|

#diy-experiment #moire-patterns #optical-illusion

science2 years ago•3 min saved

"Uncovering a Novel Quantum Magnetic Material with Surprising Properties"

Scientists have discovered a new type of magnetism, called Nagaoka magnetism, which is not driven by traditional electron exchange interactions. By experimenting with single-layer sheets of atoms that form intricate moiré patterns, researchers found that a material synthesized from semiconductors molybdenum diselenide and tungsten disulfide displayed unusual magnetic properties. The material exhibited ferromagnetic behavior when it had up to 50% more electrons than lattice sites, and this magnetism was driven by the movement of electrons forming two-electron combinations called doublons, creating small, localized ferromagnetic regions within the lattice.

via WIRED|

#electrons #magnetism #materials-science

science-and-technology2 years ago•3 min saved

"Unlocking the Secrets: Researchers Establish 'Golden Rules' for Supermoiré Lattice Alignment"

Researchers at the National University of Singapore have developed a technique to precisely control the alignment of supermoiré lattices, which are created when two moiré patterns are stacked together. They have formulated a set of "golden rules" to guide the use of their technique, allowing for the creation of supermoiré lattices with improved accuracy and efficiency. This advancement paves the way for the development of next-generation moiré quantum matter and has potential applications in various fields.

via Phys.org|

#alignment-control #graphene #moire-patterns