News tagged with quantum entanglement

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Quantum correlations -- without entanglement

(PhysOrg.com) -- Few people doubt the "quantumness" of entanglement. Quantifying the quantum correlation of entanglement is something that is relatively regular right now. However, things change a bit when it comes to quantum ...

Aug 24, 2011 feature
4.5 / 5 (21) 4 | with audio podcast

Entanglement study makes a quantum leap

Some scientists have likened it to voodoo, while Albert Einstein called it just plain "spooky." In the bizarre realm of quantum mechanics, entanglement is the phenomenon in which two seemingly distinct particles control each ...

Jul 09, 2012
4.7 / 5 (19) 14

Using degrees of freedom to get hyperentanglement

(PhysOrg.com) -- One of the biggest challenges scientists are grappling with today is the creation of an efficient quantum computer. There are a number of models out there, and hundreds of scientists and researchers around ...

Jan 27, 2010 feature
4.6 / 5 (19) 2 | with audio podcast

Physicists set guidelines for qubit candidates

(PhysOrg.com) -- To build a quantum computer, it's essential to be able to quickly and efficiently manipulate the quantum states of qubits. The qubits, which are the basic unit of quantum information, can be composed of many ...

May 04, 2010 feature
4.4 / 5 (18) 1

Entanglement can help in classical communication

(PhysOrg.com) -- When most of us think of entanglement, our minds jump immediately to quantum communication. "Entanglement has become very well known and useful in quantum communication," Robert Prevedel tells PhysOrg.com. Preved ...

Mar 30, 2011 feature
4.3 / 5 (18) 14 | with audio podcast