News tagged with bound entanglement
Physicists Investigate Unusual Four-Qubit Entanglement
(PhysOrg.com) -- For the first time, physicists have experimentally demonstrated a four-qubit bound-entangled state - a peculiar form of entanglement that cannot be distilled (optimized) by the usual means. ...
Sep 30, 2009 |
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A traffic jam of quantum particles
(PhysOrg.com) -- German scientists discover surprising transport phenomena in ultracold quantum many body systems.
Mar 05, 2012 |
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Virtual ghost imaging: New technique enables imaging even through highly adverse conditions
Ghost imaging (GI), and its even more oddly named cousin virtual ghost imaging (VGI), seem to contradict conventional wisdom by being able to image an object by simply counting photons in a "light bucket." This non-intuitive ...
Feb 15, 2012 |
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Known and unknown: Great travellers of the Pacific
When a well-known travel magazine set out to identify the top ten travellers of all time, the names it came up with held few surprises. Top of its list, which encompassed Charles Darwin and Christopher Columbus, ...
Nov 07, 2011 |
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Using complex electron systems to create green materials
At the L'Aquila Summit held in July 2009, G8 nations reaffirmed the target of at least a 50% reduction in greenhouse gas emissions worldwide by 2050. They also set a target for developed countries to reduce ...
Jan 31, 2011 |
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Heisenberg Uncertainty Principle sets limits on Einstein's 'spooky action at a distance,' new research finds
Researchers have uncovered a fundamental link between the two defining properties of quantum physics. Stephanie Wehner of Singapore's Centre for Quantum Technologies and the National University of Singapore ...
Nov 18, 2010 |
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Quantum Mechanics Not In Jeopardy: Physicists Confirm Decades-Old Key Principle Experimentally
(PhysOrg.com) -- When waves -- regardless of whether light or sound -- collide, they overlap creating interferences. Austrian and Canadian quantum physicists have now been able to rule out the existence of ...
Jul 22, 2010 |
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Could some entangled states be useless for quantum cryptography?
(PhysOrg.com) -- One of the widely accepted properties of quantum entanglement is secrecy. Since scientists and researchers began working with quantum key distribution, entanglement has been considered an essential part of ...
Jul 05, 2010 |
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A 2nd garbage patch: Plastic soup seen in Atlantic
(AP) -- Researchers are warning of a new blight at sea: a swirl of confetti-like plastic debris stretching over a remote expanse of the Atlantic Ocean.
Apr 15, 2010 |
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Researcher studies the universe through quantum electrodynamics
(PhysOrg.com) -- Fundamental constants, such as the standards for length and mass, are a given in our society. However, research has shown that these constants might be changing slightly with the expansion of the universe.
Dec 17, 2009 |
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New net timer could save sea turtles from drowning
(AP) -- Fishery managers trying to protect rare sea turtles from dying in fishing nets have tapped a Cape Cod company to build a device they think can help balance turtle protection with profitable fishing.
Jun 20, 2009 |
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List of search results for bound entanglement
