"Crunching the Cosmos" --A Leap Forward for Quantum Computing
- View SourceURL to an interesting article from Daily Galaxy
First few paragraphs
"Quantum computers have the potential to solve problems that would take a
classical computer longer than the age of the universe."
Almost two years ago Rainer Blatt's and Christan Roos' research groups
from the University of Innsbruck recreated the properties of a particle moving
close to speed of light in a quantum system. They encoded the state of the
particle into a highly cooled calcium atom and used lasers to manipulate
it according to equations proposed by the famous quantum physicist Paul
Dirac. The basic principle behind quantum computation is that quantum
properties can be used to represent data.
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Oxford Professor David Deutsch, quantum-computing pioneer, who wrote in
his controversial masterpiece, Fabric of Reality says: "quantum computers
can efficiently render every physically possible quantum environment, even
when vast numbers of universes are interacting. Quantum computers can also
efficiently solve certain mathematical problems, such as factorization, which
are classically intractable, and can implement types of cryptography which
are classically impossible. Quantum computation is a qualitatively new way
of harnessing nature."
Quantum computing sounds like science fiction -as satellites, moon shots,
and the original microprocessor once were. But the age of computing in not
even at the end of the beginning.
The Innsbruck scientists were able to simulate so called Zitterbewegung
(quivering motion) of relativistic particles, which had never been observed
directly in nature before. In the current work, the physicists use a digital
approach instead of the previous analogue approach, and this universal
digital quantum simulator can potentially be programmed to simulate any
physical system efficiently."
(Just a pawn on the great chessboard of life)
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