News tagged with superposition principle


Quantum computers will require complex software to manage errors

Quantum computers will require complex software to manage errors

Physics / Quantum Physics

created Apr 08, 2009 | popularity 3.4 / 5 (8) | comments 4

(PhysOrg.com) -- Highlighting another challenge to the development of quantum computers, theorists at the National Institute of Standards and Technology have shown* that a type of software operation, proposed ...





Search results for superposition principle


Schrodinger's cat

Schrodinger's Cat Experiment Proposed

Physics / General Physics

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

(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 ...


Physicists take first step towards super-fast search algorithms for quantum computers

Physics / Quantum Physics

created Jul 09, 2009 | popularity 4.8 / 5 (15) | comments 8

When you toss a coin, you either get heads or tails. By contrast, things are not so definite at the microcosmic level. An atomic 'coin' can display a superposition of heads and tails when it has been thrown. However, this ...


New device tests uncertainty principle with new precision

New device tests uncertainty principle with new precision

Physics / General Physics

created Sep 22, 2006 | popularity 4.6 / 5 (61) | comments 0

In the submicroscopic world -- the domain of elementary particles and individual atoms -- things behave in the strange, counter-intuitive fashion governed by the principles of quantum mechanics. Nothing (or ...


'Seeing' the quantum world

Physics / General Physics

created Dec 17, 2008 | popularity 3.8 / 5 (17) | comments 7

Quantum physics is both mysterious and difficult to grasp. Barry Sanders, director of the University of Calgary's Institute for Quantum Information Science, is hoping to change that.


Nonlocality of a Single Particle Demonstrated Without Objections

Nonlocality of a Single Particle Demonstrated Without Objections

Physics / General Physics

created Nov 09, 2007 | popularity 4.7 / 5 (151) | comments 33

Usually when physicists talk about nonlocality in quantum mechanics, they’re referring to the fact that two particles can have immediate effects on each other, even when separated by large distances. Einstein ...


Quantum Theory May Explain Wishful Thinking

Quantum Theory May Explain Wishful Thinking

Medicine & Health / Psychology & Psychiatry

created Apr 14, 2009 | popularity 4.1 / 5 (47) | comments 14

(PhysOrg.com) -- Humans don’t always make the most rational decisions. As studies have shown, even when logic and reasoning point in one direction, sometimes we chose the opposite route, motivated by personal ...


Researcher Investigates the Basis of Einstein's First Approximation in the Theory of Relativity

Physics / General Physics

created Jul 15, 2009 | popularity 4.1 / 5 (23) | comments 41

(PhysOrg.com) -- In his discussion of accelerated motion on page 60 of The Meaning of Relativity, Albert Einstein made an approximation that allowed him to develop the theory of relativity further. Einstein apparently never ...


Proposed Quantum Computer Consists of Billions of Electron Spins

Proposed Quantum Computer Consists of Billions of Electron Spins

Physics / Quantum Physics

created Sep 09, 2009 | popularity 4.5 / 5 (26) | comments 23

(PhysOrg.com) -- While researchers have already demonstrated the building blocks for few-bit quantum computers, scaling these systems up to large quantum computers remains a challenge. One of the biggest problems ...


Scientists discover, visualize exotic electrons on surfaces of unique insulators

Physics / General Physics

created Aug 10, 2009 | popularity 4.9 / 5 (13) | comments 2

(PhysOrg.com) -- In two separate studies, Princeton-led teams of scientists have found a new type of “light-like” electron and visualized for the first time another type that doesn’t bounce back when material imperfections ...


Scientists demonstrate 'universal' programmable quantum processor

Scientists demonstrate 'universal' programmable quantum processor

Physics / Quantum Physics

created Nov 15, 2009 | popularity 4.5 / 5 (23) | comments 11

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 ...



List of search results for superposition principle