News tagged with superposition

Quantum Walk in Laboratory

A team of physicists headed by Christian Roos and Rainer Blatt from the Institute of Quantum Optics and Quantum Information of the Austrian Academy of Sciences realize a quantum walk in a quantum system with ...

Physics / Quantum Physics

created Mar 10, 2010 | popularity 4.5 / 5 (11) | comments 0 | with audio podcast

Using quantum entanglement to stack light particles: Physicists play Lego with photons

While many of us enjoyed constructing little houses out of toy bricks when we were kids, this task is much more difficult if bricks are elementary particles. It is even harder if these are particles of light - photons, which ...

Physics / Optics & Photonics

created Feb 14, 2010 | popularity 4.5 / 5 (19) | comments 6 | with audio podcast

Scientists find quantum mechanics at work in photosynthesis

(PhysOrg.com) -- A team of University of Toronto chemists have made a major contribution to the emerging field of quantum biology, observing quantum mechanics at work in photosynthesis in marine algae.

Physics / Quantum Physics

created Feb 03, 2010 | popularity 4.8 / 5 (33) | comments 51 | with audio podcast

Artificial magnetic fields for light could illuminate correlated quantum systems

(PhysOrg.com) -- In general, the field of many-body physics involves the interactions and collective behavior of large numbers of particles. Scientists have made significant progress in exploring this field, ...

Physics / Quantum Physics

created Feb 03, 2010 | popularity 4.7 / 5 (19) | comments 1 | with audio podcast feature

Schrodinger's Cat Experiment Proposed

(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 ...

Physics / General Physics

created Sep 24, 2009 | popularity 3.5 / 5 (46) | comments 39 weblog

Proposed Quantum Computer Consists of Billions of Electron Spins

(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 ...

Physics / Quantum Physics

created Sep 09, 2009 | popularity 4.6 / 5 (27) | comments 23 feature

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

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 ...

Physics / Quantum Physics

created Jul 09, 2009 | popularity 4.6 / 5 (16) | comments 8

New method to detect quantum mechanical effects in ordinary objects

At the quantum level, the atoms that make up matter and the photons that make up light behave in a number of seemingly bizarre ways. Particles can exist in "superposition," in more than one state at the same ...

Physics / Quantum Physics

created Jun 22, 2009 | popularity 4.4 / 5 (21) | comments 1

Researchers make breakthrough in the quantum control of light

Researchers at UC Santa Barbara have recently demonstrated a breakthrough in the quantum control of photons, the energy quanta of light. This is a significant result in quantum computation, and could eventually ...

Physics / Quantum Physics

created May 29, 2009 | popularity 4.7 / 5 (15) | comments 0

Quantum computers will require complex software to manage errors

(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 ...

Physics / Quantum Physics

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


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