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Search results for fermionic model

Astronomy Jun 4, 2025

What if the Big Bang wasn't the beginning? Research suggests it may have taken place inside a black hole

The Big Bang is often described as the explosive birth of the universe—a singular moment when space, time and matter sprang into existence. But what if this was not the beginning at all? What if our universe emerged from ...

Quantum Âé¶¹ÒùÔºics May 28, 2025

Observing one-dimensional anyons: Exotic quasiparticles in the coldest corners of the universe

Nature categorizes particles into two fundamental types: fermions and bosons. While matter-building particles such as quarks and electrons belong to the fermion family, bosons typically serve as force carriers—examples ...

Condensed Matter May 22, 2025

Using a fermionic neural network to find the ground state of fractional quantum Hall liquids

When two-dimensional electron systems are subjected to magnetic fields at low temperatures, they can exhibit interesting states of matter, such as fractional quantum Hall liquids. These are exotic states of matter characterized ...

General Âé¶¹ÒùÔºics May 15, 2025

Researchers establish fundamental limit on how light bosonic dark matter can be

In a new study published in Âé¶¹ÒùÔºical Review Letters, scientists have estimated a new lower bound on the mass of ultra-lightweight bosonic dark matter particles.

Condensed Matter Apr 21, 2025

Mathematical model modulates the anomalous Hall angle in a magnetic topological semimetal

When an electric current passes through some materials, it generates a voltage perpendicular to the direction in which the current is flowing and of an applied magnetic field. This physical phenomenon, known as the anomalous ...

Nanophysics Mar 31, 2025

Three-site Kitaev chain enhances stability of Majorana zero modes

An international research team led by QuTech has realized a three-site Kitaev chain using semiconducting quantum dots coupled by superconducting segments in a hybrid InSb/Al nanowire. When comparing two-and three-site chains ...

Condensed Matter Mar 30, 2025

Study proposes new mechanism underpinning intrinsic strange metal behavior

Quantum critical points are thresholds that mark the transition of materials between different electronic phases at absolute zero temperatures, around which they often exhibit exotic physical properties.

General Âé¶¹ÒùÔºics Mar 24, 2025

Might the proton decay in other places or at other times?

Does the proton decay? While this was a famous prediction of Grand Unified Theories (GUTS) developed in the 1970s and 1980s, experimentalists have ruled it out—or rather, put lower limits on its mean lifetime of about 1034 ...

Quantum Âé¶¹ÒùÔºics Jan 23, 2025

Âé¶¹ÒùÔºicists pioneer entanglement microscopy algorithm for quantum many-body systems

Quantum entanglement—a phenomenon where particles are mysteriously linked no matter how far apart they are—presents a long-standing challenge in the physical world, particularly in understanding its behavior within complex ...

Astronomy Jan 15, 2025

Galaxy cores may be giant fuzzy 'dark stars'

A fuzzy form of dark matter may clump up to become the cores of galaxies, according to new research.

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