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Search results for time-reversal symmetry

Plants & Animals Dec 5, 2018

Mystery of color patterns of reef fish solved

Scientists have solved the mystery of why some closely-related species of an iconic reef fish have vastly different colour patterns, while others look very similar.

General Âé¶¹ÒùÔºics Oct 10, 2018

Three renowned scientists: Heusler, Weyl and Berry

Scientists at the Max Planck Institute Chemical Âé¶¹ÒùÔºics of Solids have written a review paper about magnetic topological materials in the family of Heusler compounds. The review explains the connection between topology, symmetry ...

Quantum Âé¶¹ÒùÔºics Sep 13, 2018

Âé¶¹ÒùÔºicists revealed spontaneous T-symmetry breaking and exceptional points in cavity QED

Spontaneous symmetry breaking (SSB) is a physics phenomenon in which a symmetric system produces symmetry-violating states. Recently, extensive study shows that the parity-time symmetry breaking in open systems leads to exceptional ...

Materials Science Aug 30, 2018

Using uranium to create order from disorder

ANSTO's unique landmark infrastructure has been used to study uranium, the keystone to the nuclear fuel cycle. The advanced instruments at the Australian Synchrotron and the Australian Centre for Neutron Scattering have ...

Soft Matter Aug 28, 2018

Can microswimmers swim through gel?

Researchers from Tokyo Metropolitan University have studied how microswimmers, like bacteria or sperm, swim through fluids with both solid and liquid-like properties, e.g., gels. They found that subtle changes in a swimmer's ...

General Âé¶¹ÒùÔºics Aug 24, 2018

Uncovering atomic movements in crystal

Scientists can spend a long time in heated debates over tiny details – for example, how and whether atoms in a crystal move when heated, thereby altering the symmetry. Using computer simulations for the mineral lead telluride ...

General Âé¶¹ÒùÔºics Aug 23, 2018

Perfect inversion of complex structures

Perfectly inverting complex structures is of great technical importance. Researchers at ETH have now succeeded in turning the magnetic and electric structure of materials into their opposites using a single magnetic field ...

Quantum Âé¶¹ÒùÔºics Aug 9, 2018

Novel approach to coherent control of a three-level quantum system

For the first time, researchers were able to study quantum interference in a three-level quantum system and thereby control the behavior of individual electron spins. To this end, they used a novel nanostructure in which ...

General Âé¶¹ÒùÔºics Aug 6, 2018

The marriage of topology and magnetism in a Weyl system

Topology is a global aspect of materials, leading to fundamental new properties for compounds with large relativistic effects. The incorporation of heavy elements gives rise to non-trivial topological phases of matter, such ...

Quantum Âé¶¹ÒùÔºics Jul 23, 2018

Current noises of Majorana fermions

Majorana fermions are particles that are their own antiparticles. In condensed matter physics, zero-energy Majorana fermions obey non-abelian statistics, and can be used in fault-tolerant topological quantum computation. ...

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