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Search results for fermionic dynamics

Quantum Âé¶¹ÒùÔºics Sep 25, 2015

Simulation of chiral edge states in a quantum system

Researchers in Florence and Innsbruck have simulated a physical phenomenon in an atomic quantum gas that can also be observed at the edge of some condensed matter systems: chiral currents. The scientists have published the ...

General Âé¶¹ÒùÔºics Aug 18, 2015

Code speedup strengthens researchers' grasp of neutrons

Neutrons are notoriously slippery subatomic particles. On their own, they break down in a matter of minutes, but within the confines of the atom's nucleus, neutrons are a foundational piece of nearly all known types of matter ...

Quantum Âé¶¹ÒùÔºics Jul 23, 2015

Controlling interactions between distant qubits

A big part of the burgeoning science of quantum computation is reliably storing and processing information in the form of quantum bits, or qubits. One of the obstacles to this goal is the difficulty of preserving the fragile ...

Quantum Âé¶¹ÒùÔºics Apr 28, 2015

Game theory elucidates the collective behavior of bosons

Quantum particles behave in strange ways and are often difficult to study experimentally. Using mathematical methods drawn from game theory, LMU physicists have shown how bosons, which like to enter the same state, can form ...

Quantum Âé¶¹ÒùÔºics Feb 12, 2015

Exotic states materialize with supercomputers

Scientists used supercomputers to find a new class of materials that possess an exotic state of matter known as the quantum spin Hall effect. The researchers published their results in the journal Science in December 2014, ...

Nanomaterials Aug 6, 2014

Future of fast computer chips could be in graphene and not silicon, says new research

Scientists using lasers at a Science and Technology Facilities Council (STFC) facility in the UK believe that they are a step closer to finding a replacement for silicon chips that are faster and use less energy than at present.

Quantum Âé¶¹ÒùÔºics Apr 23, 2014

Quantum simulators developed to study inaccessible physical systems

Quantum simulators recreate the behaviour on a microscopic scale of biological and quantum systems and even of particles moving at the speed of light. The exact knowledge of these systems will lead to applications ranging ...

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 ...

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 ...

Quantum Âé¶¹ÒùÔºics Sep 3, 2013

Researchers propose a new system for quantum simulation

Researchers from the universities in Mainz, Frankfurt, Hamburg and Ulm have proposed a new platform for quantum simulation. In a theoretical paper recently published in Âé¶¹ÒùÔºical Review Letters, they show that a combined system ...

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