News tagged with theory model
Can R2 gravity explain dark matter?
(PhysOrg.com) -- "In many ways, the standard model of cosmology works very well," Jose Cembranos tells PhysOrg. "However, there are very basic features that we just do not know. We have dark energy and dark matter. They d ...
Apr 20, 2009 |
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Gas rich galaxies confirm prediction of modified gravity theory
(PhysOrg.com) -- Recent data for gas rich galaxies precisely match predictions of a modified theory of gravity know as MOND according to a new analysis by University of Maryland Astronomy Professor Stacy McGaugh. ...
Feb 23, 2011 |
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Physicists Solve Difficult Classical Problem with One Quantum Bit
(PhysOrg.com) -- Quantum information algorithms have the potential to solve some problems exponentially faster than current classical methods. However, most research on quantum information systems has concentrated ...
Jan 08, 2010 |
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Experiment tests underpinnings of quantum field theory, Bose-Einstein statistics of photons
(PhysOrg.com) -- Of all the assumptions underlying quantum mechanics and the theory that describes how particles interact at the most elementary level, perhaps the most basic is that particles are either ...
Jun 25, 2010 |
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Time travel? Maybe
Imagine that you're a science-fiction writer on a tight schedule. You'd like to play in the vast expanses of the universe, but you have too much scientific integrity to conjure up a warp drive or a DeLorean out of thin air. ...
May 11, 2010 |
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Physicists offer foundation for uprooting a hallowed principle of physics
Physicists at Indiana University have developed a promising new way to identify a possible abnormality in a fundamental building block of Einstein's theory of relativity known as "Lorentz invariance." If confirmed, the abnormality ...
Jan 05, 2009 |
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Financial instruments could be spiked with unfindable risks
(PhysOrg.com) -- In a result that may have implications for financial regulation, researchers from computer science and economics have revealed potentially impenetrable problems with the pricing of financial ...
Other Sciences / Economics & Business
Dec 21, 2009 |
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Model shows how scientific paradigms rise and fall
(PhysOrg.com) -- Scientific concepts such as climate change, nanotechnology, and chaos theory can sometimes spring up and capture the attention of both the scientific and public communities, only to be replaced ...
Feb 22, 2011 |
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Mathematicians offer elegant solution to evolutionary conundrum
UBC researchers have proffered a new mathematical model that seeks to unravel a key evolutionary riddle--namely what factors underlie the generation of biological diversity both within and between species.
Apr 22, 2010 |
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Surprising nucleon behavior
Data from DOE's Oak Ridge National Laboratory on neutron interactions with isotopes of platinum contradict a basic assumption underpinning random matrix theory, nuclear physics models and quantum chaos.
Jul 30, 2010 |
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New information about how Himalayas were formed
Evidence of the mineral majorite in Himalayan rocks have overturned scientific theory about the birth of the tallest mountains on Earth.
Space & Earth / Earth Sciences
Aug 05, 2010 |
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Puzzling asymmetries in B decays hint at deviations from the Standard Model
(Phys.org) -- In a recently published paper, the LHCb Collaboration has reported on a possible deviation from the Standard Model. Theorists are now working to calculate precisely this effect and to evaluate ...
May 28, 2012 |
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Bizarre bird behavior predicted by game theory
A team of scientists, led by the University of Exeter, has used game theory to explain the bizarre behaviour of a group of ravens. Juvenile birds from a roost in North Wales have been observed adopting the ...
Feb 25, 2009 |
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Game of go: A complex network
Could computers ever beat the best go players? Although unthinkable at this stage, this could soon become possible, thanks to CNRS theorists. For the first time, two scientists from the Theoretical Physics ...
Apr 16, 2012 |
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Math wars: Debate sparks anti-pi day
(PhysOrg.com) -- A controversial debate in the math world has led to celebrations today by opponents of the mathematical constant pi.
Jun 29, 2011 |
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