News tagged with quantum mechanics

Related topics: quantum computing , physical review letters , quantum physics , quantum information , quantum state

Scientists demonstrate 'universal' programmable quantum processor

Physicists at the National Institute of Standards and Technology have demonstrated the first "universal" programmable quantum information processor able to run any program allowed by quantum mechanics -- th ...

Physics / Quantum Physics

created Nov 15, 2009 | popularity 4.5 / 5 (25) | comments 11

Quantum gas microscope offers glimpse of quirky ultracold atoms

(PhysOrg.com) -- Physicists at Harvard University have created a quantum gas microscope that can be used to observe single atoms at temperatures so low the particles follow the rules of quantum mechanics, ...

Physics / Quantum Physics

created Nov 04, 2009 | popularity 4.6 / 5 (20) | comments 4

Study Shows Time Traveling May Not Increase Computational Power

(PhysOrg.com) -- For more than 50 years, physicists have been intrigued by the concept of closed time-like curves (CTCs). Because a CTC returns to its starting point, it raises the possibility of traveling backward in time. ...

Physics / Quantum Physics

created Oct 22, 2009 | popularity 4.1 / 5 (28) | comments 5 feature

3 Questions: Steven Nahn on the elusive Higgs boson

(PhysOrg.com) -- Troubles at the Large Hadron Collider have led some physicists to suggest the Higgs boson is sabotaging its own discovery. Nahn explains why he disagrees.

Physics / General Physics

created Oct 19, 2009 | popularity 4.3 / 5 (41) | comments 10

Physicist wins Packard Fellowship

(PhysOrg.com) -- MIT physicist Pablo Jarillo-Herrero has won a 2009 David and Lucile Packard Fellowship, an award he will use to study a new class of materials that could have applications in the semiconductor ...

Physics / General Physics

created Oct 16, 2009 | popularity 3 / 5 (4) | comments 0

Field experiment on a robust hierarchical metropolitan quantum cryptography network

Key Laboratory of Quantum Information (CAS), University of Science and Technology of China has recently demonstrated a metropolitan Quantum Cryptography Network (QCN) for Government Administration in Wuhu, China. The project ...

Physics / Quantum Physics

created Oct 16, 2009 | popularity 5 / 5 (1) | comments 0

Quantum Computer Chips Now One Step Closer To Reality

In the quest for smaller, faster computer chips, researchers are increasingly turning to quantum mechanics -- the exotic physics of the small. The problem: the manufacturing techniques required to make quantum devices have ...

Physics / Quantum Physics

created Oct 15, 2009 | popularity 4.6 / 5 (18) | comments 0

Scientists use math modeling to predict unknown biological mechanism of regulation

A team of scientists, led by a biomedical engineer at The University of Texas at Austin, have demonstrated - for the first time - that mathematical models created from data obtained by DNA microarrays, can ...

Biology / Biotechnology

created Oct 14, 2009 | popularity 4.6 / 5 (5) | comments 0

Physicists Measure Elusive 'Persistent Current' That Flows Forever

(PhysOrg.com) -- Physicists at Yale University have made the first definitive measurements of "persistent current," a small but perpetual electric current that flows naturally through tiny rings of metal wire ...

Physics / General Physics

created Oct 08, 2009 | popularity 4.8 / 5 (60) | comments 16

Scientists discover quantum fingerprints of chaos

Chaotic behavior is the rule, not the exception, in the world we experience through our senses, the world governed by the laws of classical physics.

Physics / Quantum Physics

created Oct 07, 2009 | popularity 4.8 / 5 (29) | comments 1

To peer inside a living cell

(PhysOrg.com) -- Quantum mechanics could help build ultra-high-resolution electron microscopes that won't destroy living cells, according to MIT electrical engineers.

Physics / General Physics

created Oct 06, 2009 | popularity 5 / 5 (11) | comments 3

Building a better qubit: Combining 6 photons together results in highly robust qubits

Exploiting quantum mechanics for transmitting information is a tantalizing possibility because it promises secure, high speed communications. Unfortunately, the fragility of methods for storing and sending ...

Physics / Quantum Physics

created Oct 05, 2009 | popularity 4.3 / 5 (3) | comments 0

Schrodinger's Cat Experiment Proposed

(PhysOrg.com) -- One of the classical problems in quantum mechanics concerns a man and his feline companion. The man has placed his cat in an opaque tank and is slowing pumping it full of poison. Now until ...

Physics / General Physics

created Sep 24, 2009 | popularity 3.5 / 5 (46) | comments 39 weblog

Physicists make discovery in quantum mechanics

(Santa Barbara, Calif.) -- Physicists at UC Santa Barbara have made an important advance in quantum mechanics using a superconducting electrical circuit. The finding is reported in this week's issue of the journal Nature.

Physics / Quantum Physics

created Sep 23, 2009 | popularity 4.2 / 5 (31) | comments 49

In brief: A tiny, tunable well of light, and a string theorist's toolbox

Promising photonic devices, and theorists attempt to determine whether particle physics and string theory can be reconciled.

Physics / General Physics

created Sep 21, 2009 | popularity 3.8 / 5 (17) | comments 7