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Search results for fermionic model

General Âé¶¹ÒùÔºics Apr 9, 2014

One kind of supersymmetry shown to emerge naturally

(Âé¶¹ÒùÔº) —UC Santa Barbara physicist Tarun Grover has provided definitive mathematical evidence for supersymmetry in a condensed matter system. Sought after in the realm of subatomic particles by physicists for several ...

General Âé¶¹ÒùÔºics Mar 24, 2014

The first model for capturing and condensing light under realistic conditions

Quantum particles can be divided into two types: fermions and bosons. When cooled down to near-absolute zero temperatures, bosons can condense together into a collective state of matter called a Bose-Einstein condensate where ...

Nanomaterials Mar 6, 2014

Boron gets a nano refresh: Scientists find stable 2D structures with unique properties

(Âé¶¹ÒùÔº) —The National Nanotechnology Initiative defines nanotechnology as the understanding and control of matter at the nanoscale, at dimensions of approximately 1 and 100 nanometers, where unique phenomena enable novel ...

Quantum Âé¶¹ÒùÔºics Jan 13, 2014

For the first time, researchers observe collective spin dynamics of ultra-cold fermions with large spins

Understanding collective behavior of ultra-cold quantum gases is of great interest since it is intimately related to many encountered systems in nature such as human behavior, swarms of birds, traffic jam, sand dunes, neutron ...

General Âé¶¹ÒùÔºics Nov 28, 2013

ATLAS sees Higgs boson decay to fermions

The ATLAS experiment at CERN has released preliminary results that show evidence that the Higgs boson decays to two tau particles. Taus belong to a group of subatomic particles called the fermions, which make up matter. ...

General Âé¶¹ÒùÔºics Oct 22, 2013

Could 'Higgsogenesis' explain dark matter?

(Âé¶¹ÒùÔº) —The recently discovered Higgs boson is best known for its important role in explaining particle mass. But now some physicists are wondering if the Higgs could have played an equally significant role in generating ...

Superconductivity Oct 17, 2013

A grand unified theory of exotic superconductivity?

(Âé¶¹ÒùÔº) —Years of experiments on various types of high-temperature (high-Tc) superconductors—materials that offer hope for energy-saving applications such as zero-loss electrical power lines—have turned up an amazing ...

General Âé¶¹ÒùÔºics Jun 10, 2013

Simple theory may explain dark matter

Most of the matter in the universe may be made out of particles that possess an unusual, donut-shaped electromagnetic field called an anapole.

General Âé¶¹ÒùÔºics May 24, 2013

Âé¶¹ÒùÔºicists suggest possible existence of other kinds of dark matter

(Âé¶¹ÒùÔº) —A team of Harvard University physicists has proposed the possible existence of a type of dark matter not described by current physics models. In their paper published in the journal Âé¶¹ÒùÔºical Review Letters, ...

Quantum Âé¶¹ÒùÔºics May 23, 2013

A quantum simulator for magnetic materials

Âé¶¹ÒùÔºicists understand perfectly well why a fridge magnet sticks to certain metallic surfaces. But there are more exotic forms of magnetism whose properties remain unclear, despite decades of intense research. An important ...

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