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Quantum Computing Leap Forward: Altering a Lone Electron Without Disturbing Its Neighbors
A major hurdle in the
ambitious quest to design
and construct a radically
new kind of quantum computer
has been finding a way to
... > full story
Exotic Symmetry Seen in Ultracold Electrons
An exotic type of symmetry
-- suggested by string
theory and theories of
high-energy particle
physics, and also
conjectured for electrons in
solids under certain
... > full story
Turning Down the Noise in Quantum Data Storage
Tripling the steps in a read
cycle can significantly
improve signal to noise
ratios in quantum data
storage. ... > full story
Quantum Simulation of a Relativistic Particle
Researchers have used a
calcium ion to simulate a
relativistic quantum
particle, demonstrating a
phenomenon that has not been
directly observable so far:
... > full story
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Quantum Computer Calculates Exact Energy of Molecular Hydrogen
January 14, 2010 — In an important first for a promising new technology, scientists have used a quantum computer to calculate the precise energy of molecular hydrogen. This groundbreaking approach to molecular ... > full story -
New Quantum Cascade Lasers Emit More Light Than Heat
January 12, 2010 — Researchers have developed compact, mid-infrared laser diodes that generate more light than heat -- a breakthroughs in quantum cascade laser ... > full story -
Physicists Propose Quantum Entanglement for Motion of Microscopic Objects
December 22, 2009 — Researchers have proposed a new paradigm that should allow scientists to observe quantum behavior in small mechanical systems. Their ideas offer a new means of addressing one of the most fascinating ... > full story -
Quantum Information: Disentangling a Billion-Dollar Opportunity
December 21, 2009 — The field of quantum information processing has come a long way in the past five years, partly thanks to new funding which has helped focus activity in this potentially lucrative field. Experts ... > full story -
Physicists Lay the Groundwork for Cooler, Faster Computing
December 15, 2009 — Quantum optics researchers have discovered new behaviors of light within photonic crystals that could lead to faster optical information processing and compact computers that don't ... > full story -
First Bose-Einstein Condensation Of Strontium
November 25, 2009 — In an international first, scientists have produced a Bose-Einstein condensate of the alkaline-earth element strontium. Choosing the isotope 84Sr, which has received little attention so far, proved ... > full story -
Straightening Messy Correlations With a Quantum Comb
November 24, 2009 — Scientists have shown how to delicately comb out a snarl of entanglements among many qubits while keeping the information ... > full story -
Physicists Move One Step Closer to Quantum Computing
November 23, 2009 — Physicists have made an important advance in electrically controlling quantum states of electrons, a step that could help in the development of quantum ... > full story -
Entangled Photons Created from Quantum Dots
November 18, 2009 — To exploit the quantum world to the fullest, a key commodity is entanglement -- the spooky, distance-defying link that can form between objects such as atoms even when they are completely shielded ... > full story -
'Universal' Programmable Two-Qubit Quantum Processor Created
November 16, 2009 — Physicists have demonstrated the first "universal" programmable quantum information processor able to run any program allowed by quantum mechanics -- the rules governing the submicroscopic world -- ... > full story
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