News tagged with quantum physicists


Physicists resolve a paradox of quantum theory

Physics / General Physics

created Jan 14, 2009 | popularity 4.6 / 5 (27) | comments 4

University of Toronto quantum physicists Jeff Lundeen and Aephraim Steinberg have shown that Hardy's paradox, a proposal that has confounded physicists for over a decade, can be confirmed and ultimately resolved, a task which ...





Search results for quantum physicists


Physicists make discovery in quantum mechanics

Physics / Quantum Physics

created Sep 23, 2009 | popularity 4.3 / 5 (27) | comments 49

(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.


Quantum Mechanical Con Game

Physics / General Physics

created May 05, 2008 | popularity 2.7 / 5 (18) | comments 2

For the first time, physicists have come up with a scheme that would allow a quantum mechanical expert to win every time in a con game with a victim who only knows about classical physics. Prior quantum cons have typically ...


Quantum ghosts are helpful

Quantum ghosts are helpful

Physics / Quantum Physics

created Apr 27, 2009 | popularity 3.5 / 5 (19) | comments 14

(PhysOrg.com) -- The idea that far distant particles can somehow 'talk' to each other worried Einstein so much that he called it 'spooky action at a distance'.


Quantum measurements: Common sense is not enough

Quantum measurements: Common sense is not enough

Physics / Quantum Physics

created Jul 22, 2009 | popularity 4.1 / 5 (19) | comments 19

(PhysOrg.com) -- In comparison to classical physics, quantum physics predicts that the properties of a quantum mechanical system depend on the measurement context, i.e. whether or not other system measurements ...


Entanglement without Classical Correlations

Physics / General Physics

created Aug 27, 2008 | popularity 4.1 / 5 (60) | comments 21

Quantum mechanics is full of counterintuitive concepts. The idea of entanglement – when two or more particles instantaneously exhibit dependent characteristics when measured, no matter how far apart they are – is one of them. ...


Physicists Demonstrate Quantum Memory with Matter Qubits

Physicists Demonstrate Quantum Memory with Matter Qubits

Physics / Quantum Physics

created Jul 03, 2009 | popularity 4.3 / 5 (21) | comments 2

(PhysOrg.com) -- For the first time, scientists have successfully operated a quantum gate between two remote particles of matter, marking an important step toward the development of a quantum computer. In ...


Physicists working up from atoms to Schrodinger's cat

Physics / General Physics

created Jan 28, 2009 | popularity 4.2 / 5 (19) | comments 1

(PhysOrg.com) -- Schrodinger's cat, a macroscopic object that is both alive and dead at the same time, illustrates the strangeness of quantum mechanics. While such quantum properties have been widely observed for electrons ...


Physicists offer new theory for iron compounds

Physics / Condensed Matter

created Mar 12, 2009 | popularity 4.9 / 5 (7) | comments 0

An international team of physicists from the United States and China this week offered a new theory to both explain and predict the complex quantum behavior of a new class of high-temperature superconductors.


It's Easier to Observe the Failure of Local Realism than Previously Thought

Physics / General Physics

created Mar 04, 2009 | popularity 4.3 / 5 (41) | comments 199

(PhysOrg.com) -- Local realism is something we live with every day, even if we don’t realize it. The principle of local realism combines two assumptions: locality and realism. Locality says that distant objects cannot directly ...


Scientists demonstrate all-fiber quantum logic

Scientists demonstrate all-fiber quantum logic

Physics / Quantum Physics

created May 28, 2009 | popularity 4.3 / 5 (12) | comments 3

A team of physicists and engineers have demonstrated all-fibre quantum logic, where single photons are generated and used to perform the controlled-NOT quantum logic gate in optical fibres with high fidelity.



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