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Physicists establish 'spooky' quantum communication

Physics / General Physics

created Sep 05, 2007 | popularity 4.6 / 5 (196) | comments 0

Physicists at the University of Michigan have coaxed two separate atoms to communicate with a sort of quantum intuition that Albert Einstein called "spooky."


Researchers Prove Existence of New Basic Element for Electronic Circuits -- 'Memristor'

Researchers Prove Existence of New Basic Element for Electronic Circuits -- 'Memristor'

Physics / General Physics

created Apr 30, 2008 | popularity 4.5 / 5 (204) | comments 27

HP today announced that researchers from HP Labs have proven the existence of what had previously been only theorized as the fourth fundamental circuit element in electrical engineering.


Physicists find a new state of matter in a 'transistor'

Physics / General Physics

created Oct 21, 2008 | popularity 4.6 / 5 (131) | comments 21

McGill University researchers have discovered a new state of matter, a quasi-three- dimensional electron crystal, in a material very much like those used in the fabrication of modern transistors. This discovery could have ...


Researchers Suggest Quantum Dots as Media for Teleportation

Nanotechnology / Nanophysics

created Jun 21, 2007 | popularity 4.3 / 5 (136) | comments 0

According to recent research, tiny clusters of atoms known as quantum dots may be excellent media for quantum teleportation, a physics phenomenon in which information – in the form of a quantum state, a very specific mathematical ...


How Time-Traveling Could Affect Quantum Computing

Physics / General Physics

created Nov 20, 2008 | popularity 4 / 5 (121) | comments 33

(PhysOrg.com) -- If space-time were constructed in such a way that you could travel back in time, it would create some pretty strange effects. One of these oddities, as many people know, is the “grandfather paradox.” Here, ...


Physicists Demonstrate Qubit-Qutrit Entanglement

Physics / General Physics

created Feb 26, 2008 | popularity 4.7 / 5 (92) | comments 2

For the first time, physicists have entangled a qubit with a “qutrit” – the 3D version of the 2D qubit. Qubit-qutrit entanglement could lead to advantages in quantum computing, such as increased security and more efficient ...


Ultrafast quantum computer uses optically controlled electrons

Ultrafast quantum computer uses optically controlled electrons

Physics / General Physics

created Aug 15, 2007 | popularity 4.6 / 5 (91) | comments 0

Scientists have designed a scheme to create one of the fastest quantum computers to date using light pulses to rotate electron spins, which serve as quantum bits. This technique improves the overall clock ...


A New Hybrid Atom

Unknown molecule opens the door to quantum computing

Technology / Semiconductors

created Jun 27, 2008 | popularity 4.7 / 5 (83) | comments 15

The odd behavior of a molecule in an experimental silicon computer chip has led to a discovery that opens the door to quantum computing in semiconductors.


'Quantum Hall-like effect' found in a bulk material without an applied magnetic field

Scientists discover exotic quantum state of matter

Physics / General Physics

created Apr 24, 2008 | popularity 4.7 / 5 (81) | comments 5

A team of scientists from Princeton University has found that one of the most intriguing phenomena in condensed-matter physics -- known as the quantum Hall effect -- can occur in nature in a way that no one ...


Current theories can't explain observed spin segregation

Physics / General Physics

created Oct 16, 2008 | popularity 4.7 / 5 (79) | comments 10

(PhysOrg.com) -- Experiments with quantum systems sometimes yield surprising results. This is exactly what happened when John Thomas, a researcher at Duke University in Durham, North Carolina found out when he and his post ...


IBM unveils a green optical network technology prototype

IBM researchers unveil green optical network technology prototype

Technology / Semiconductors

created Feb 28, 2008 | popularity 4.6 / 5 (81) | comments 1

IBM researchers today unveiled the fastest and most highly integrated optical data bus ever developed. The prototype technology could bring massive amounts of bandwidth in an energy-efficient way to all kinds ...


Hypercubes Could Be Building Blocks of Nanocomputers

Hypercubes Could Be Building Blocks of Nanocomputers

Technology / Computer Sciences

created Apr 01, 2008 | popularity 4.5 / 5 (82) | comments 4

Multi-dimensional structures called hypercubes may act as the building blocks for tomorrow’s nanocomputers – machines made of such tiny elements that they are dominated not by forces that we’re familiar with ...


Scientists make single-photon sources brighter

Scientists make single-photon sources brighter

Physics / General Physics

created Dec 12, 2007 | popularity 4.6 / 5 (72) | comments 5

Scientists have achieved a major advance in developing a single-photon light source, bringing quantum applications such as quantum computing and quantum cryptography closer to reality.


Entanglement Swapping: A New Quantum Trick

Physics / General Physics

created Oct 11, 2007 | popularity 4.7 / 5 (69) | comments 2

In an important step for the infant field of quantum communications, researchers from the University of Geneva in Switzerland have, for the first time, realized an “entanglement swapping” experiment with photon pairs emitted ...


Deterministic Entanglement Swapping: First successful implementation of a technique for quantum computers

Deterministic entanglement swapping: First successful implementation of a technique for quantum computers

Physics / General Physics

created Oct 26, 2008 | popularity 4.7 / 5 (62) | comments 10

(PhysOrg.com) -- Scientists led by Rainer Blatt, Markus Hennrich and Mark Riebe of the Institute for Experimental Physics at Innsbruck University recently succeeded for the first time in realizing a deterministic ...