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Search results for fermionic model

General Âé¶¹ÒùÔºics Jul 13, 2021

A more efficient method for modeling electrons in materials

One of the most significant challenges in the global R&D effort towards better energy technologies—efficient and accurate material simulation—may be one step closer to being solved, based on new techniques released by ...

General Âé¶¹ÒùÔºics May 13, 2021

Current trend reversed: Scientists investigate the Seebeck effect in electric current

When a piece of conducting material is heated up at one of its ends, a voltage difference can build up across the sample, which in turn can be converted into a current. This is the so-called Seebeck effect, the cornerstone ...

General Âé¶¹ÒùÔºics Apr 20, 2021

New pulsed magnet reveals a new state of matter in Kondo insulator

A recent series of experiments at the National High Magnetic Field Laboratory (National MagLab) at Los Alamos National Laboratory leveraged some of the nation's highest-powered nondestructive magnets to reveal an exotic new ...

Optics & Photonics Apr 12, 2021

Topological insulator metamaterial with giant circular photogalvanic effect

Topological insulators have notable manifestations of electronic properties. The helicity-dependent photocurrents in such devices are underpinned by spin momentum-locking of surface Dirac electrons that are weak and easily ...

General Âé¶¹ÒùÔºics Apr 9, 2021

Learning what makes the nucleus tick

Michigan State University's Witold Nazarewicz has a simple way to describe the complex work he does at the Facility for Rare Isotope Beams, or FRIB.

Optics & Photonics Mar 16, 2021

Exploring complex graphs using three-dimensional quantum walks of correlated photons

Graph representations can solve complex problems in natural science, as patterns of connectivity can give rise to a magnitude of emergent phenomena. Graph-based approaches are specifically important during quantum communication, ...

Condensed Matter Mar 10, 2021

Searching for elusive supersymmetric particles

The Standard Model of particle physics is the best explanation to date for how the universe works at the subnuclear level and has helped explain, correctly, the elementary particles and forces between them. But the model ...

Astronomy Feb 24, 2021

New study suggests supermassive black holes could form from dark matter

A new theoretical study has proposed a novel mechanism for the creation of supermassive black holes from dark matter. The international team find that rather than the conventional formation scenarios involving 'normal' matter, ...

Quantum Âé¶¹ÒùÔºics Feb 12, 2021

Applying quantum computing to a particle process

A team of researchers at Lawrence Berkeley National Laboratory (Berkeley Lab) used a quantum computer to successfully simulate an aspect of particle collisions that is typically neglected in high-energy physics experiments, ...

General Âé¶¹ÒùÔºics Feb 1, 2021

Searching for dark matter through the fifth dimension

Theoretical physicists of the PRISMA+ Cluster of Excellence at Johannes Gutenberg University Mainz are working on a theory that goes beyond the Standard Model of particle physics and can answer questions where the Standard ...

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