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Search results for fermionic model

General Âé¶¹ÒùÔºics Aug 20, 2019

Toward an 'orrery' for quantum gauge theory

Âé¶¹ÒùÔºicists at ETH Zurich have developed a new approach to couple quantized gauge fields to ultracold matter. The method might be the basis for a versatile platform to tackle problems ranging from condensed-matter to high-energy ...

Quantum Âé¶¹ÒùÔºics Aug 19, 2019

Scientists unveil first quantum simulation of 3-D topological matter with ultracold atoms

Âé¶¹ÒùÔºicists from the Hong Kong University of Science and Technology (HKUST) and Peking University (PKU) have successfully created the world's first 3-D simulation of topological matter consisting of ultracold atoms. Previous ...

General Âé¶¹ÒùÔºics Aug 19, 2019

Holography and criticality in matchgate tensor networks

Tensor networks take a central role in quantum physics as they can provide an efficient approximation to specific classes of quantum states. The associated graphical language can also easily describe and pictorially reason ...

Quantum Âé¶¹ÒùÔºics Aug 15, 2019

Quantum system virtually cooled to half of its actual temperature

Âé¶¹ÒùÔºicists have developed a quantum simulation method that can "virtually cool" an experimental quantum system to a fraction of its actual temperature. The method could potentially allow access to extremely low-temperature ...

General Âé¶¹ÒùÔºics Jul 22, 2019

ATLAS Experiment searches for rare Higgs boson decays into muon pairs

Could the Higgs boson still surprise us? Since its discovery in 2012, the ATLAS and CMS collaborations at CERN have been actively studying the properties of this latest and most mysterious addition to the Standard Model ...

General Âé¶¹ÒùÔºics Jul 18, 2019

Improving the signal-to-noise ratio in quantum chromodynamics simulations

Over the last few decades, the exponential increase in computer power and accompanying increase in the quality of algorithms has enabled theoretical and particle physicists to perform more complex and precise simulations ...

General Âé¶¹ÒùÔºics Jul 12, 2019

Weyl fermions discovered in another class of materials

A particular kind of elementary particle, the Weyl fermions, were first discovered a few years ago. Their specialty: they move through a material in a well ordered manner that practically never lets them collide with each ...

Quantum Âé¶¹ÒùÔºics Jun 26, 2019

Research reveals exotic quantum states in double-layer graphene

Researchers from Brown and Columbia Universities have demonstrated previously unknown states of matter that arise in double-layer stacks of graphene, a two-dimensional nanomaterial. These new states, known as the fractional ...

Quantum Âé¶¹ÒùÔºics Jun 17, 2019

Quantum simulation could help flights run on time

A powerful new form of computing could help scientists design new types of materials for nanoelectronics, allow airlines to solve complex logistical problems to ensure flights run on time, and tackle traffic jams to keep ...

General Âé¶¹ÒùÔºics May 27, 2019

Ultra-cold lithium atoms shed light on pair formation in superfluids, helping identify best theories

A FLEET/Swinburne study released this week resolves a long-standing debate about what happens at the microscopic level when matter transitions into a superconducting or superfluid state.

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