Quantum Computing News
May 23, 2015

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updated 7:39am EDT

More Quantum Computing News
May 23, 2015

Predicting Magnetic Behavior in Copper Oxide Superconductors

May 14, 2015 — Enabled by high-performance computing, the magnetic couplings in model systems for copper-containing cuprate superconductors were accurately calculated for the first ... read more

May 7, 2015 — Researchers have discovered a novel way of combining plasmonic and magneto-optical effects. They experimentally demonstrated that patterning of magnetic materials into arrays of nanoscale dots can ... read more

May 5, 2015 — Quantum computers are in theory capable of simulating the interactions of molecules at a level of detail far beyond the capabilities of even the largest supercomputers today. Such simulations could ... read more

Defects in Atomically Thin Semiconductor Emit Single Photons

May 4, 2015 — Researchers have shown that defects on an atomically thin semiconductor can produce light-emitting quantum dots. The quantum dots serve as a source of single photons and could be useful for the ... read more

First Quantum Evidence of System-Shrinking Negative Electronic Compressibility in Novel Insulator

Apr. 27, 2015 — Add water to a half-filled cup and the water level rises. This everyday experience reflects a positive material property of the water-cup system. But what if adding more water lowers the water level ... read more

Apr. 30, 2015 — Researchers have experimentally identified a pointlike monopole in a quantum field for the first time. The discovery gives scientists insight into the monopole magnet, an elementary particle that ... read more

Quantum Particles at Play: Game Theory Elucidates the Collective Behavior of Bosons

Apr. 28, 2015 — Quantum particles behave in strange ways and are often difficult to study experimentally. Using mathematical methods drawn from game theory, physicists have shown how bosons, which like to enter the ... read more

When Mediated by Superconductivity, Light Pushes Matter Million Times More

Apr. 28, 2015 — When a mirror reflects light, it experiences a slight push. This radiation pressure can be increased considerably with the help of a small superconducting island. The finding paves a way for the ... read more

Apr. 27, 2015 — The 'holographic principle,' the idea that a universe with gravity can be described by a quantum field theory in fewer dimensions, has been used for years as a mathematical tool in strange ... read more

Apr. 23, 2015 — Thermal imaging, microscopy and ultra-trace sensing could take a quantum leap with a new technique. Scientists used quantum correlated beams of light to overcome the fundamental detection limit of ... read more

Reducing Big Data Using Ideas from Quantum Theory Makes It Easier to Interpret

Apr. 23, 2015 — Analysing the large volumes of data gathered by modern businesses and public services is problematic. Traditionally, relationships between the different parts of a network have been  represented  ... read more

Apr. 23, 2015 — Scientists have created an electronic device so accurate that it can detect the charge of a single electron in less than one microsecond. It has been dubbed the 'gate sensor' and could be ... read more

Apr. 22, 2015 — In the quantum world of light, being distinguishable means staying lonely. Only those photons that are indistinguishable can wind up in a pair, through what is called Hong-Ou-Mandel interference. ... read more

Apr. 21, 2015 — In another advance at the far frontiers of timekeeping , the latest modification of a record-setting strontium atomic clock has achieved precision and stability levels that now mean the clock would ... read more

Apr. 20, 2015 — Physicists have used a new quantum model to reveal the molecular structure of water's liquid ... read more

Apr. 16, 2015 — Neutrinos are a type of particle that pass through just about everything in their path from even the most distant regions of the universe. The giant IceCube experiment at the South Pole can detect ... read more

Apr. 16, 2015 — A team of physicists proposes the combination of nano-photonics with ultracold atoms for simulating quantum many-body systems and creating new states of ... read more

Quantum Cryptography at the Speed of Light: Researchers Design First All-Photonic Repeaters

Apr. 15, 2015 — Engineers bring perfectly secure information exchanges one step to reality. They have now designed the first all-photonic quantum repeaters -- protocols that ensure data can be carried reliably and ... read more

Quantum Hall Effect: Quantization of 'Surface Dirac States' Could Lead to Exotic Applications

Apr. 14, 2015 — Researchers have uncovered the first evidence of an unusual quantum phenomenon -- the integer quantum Hall effect -- in a new type of film, called a 3-D topological insulator. This discovery could ... read more

Apr. 13, 2015 — Physicists have narrowed the theoretical limits for where the 'speed limit' lies for quantum computers. The findings, which offer a better description of how quickly information can travel ... read more

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