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article imageQuantum computing: breakthrough in electron alteration technique

By Gordon K. Chan     Feb 16, 2010 in Science
Princeton University -- A researcher has discovered a method in altering a single electron without disturbing the trillions of electrons surrounding it. This discovery is a quantum leap forward in the future of computing.
Move over zero's and one's. The workability of the 'qubit', the atomic property of the quantum computer, is underway.
The challenge of working in a quantum state, an atomic realm that obeys a unique set of physical laws, is slowly being understood.
Specifically, the work of quantum control is to manipulate atomic material so that their properties can be exploited for technology and innovation.
Now, the work of a Princeton researcher has produced an important discovery essential to working with quantum. Professor Jason Petta has made an important breakthrough in controlling the spin of one electron, without disturbing others.
By controlling this condition, it serves as a highly useful beginning to investigating the development of frontier quantum devices.
Traditional digital information, the 0 and 1, is an either-or state. Thus, calculations with large number factors face the challenges of time.
A qubit can also be a 0 or 1, but very importantly, it can be both. This "superposition" is described as having "limitless potential", because effectively, it is neither "on" or "off", which allows qubits to produce exponential computing power.
Quantum computing is a great leap in technology evolution. Quantum computers take the basic building blocks of our universe, quantum, to transform traditional computing to super-status with "near-limitless" data storage.
From one report, qubits have problem solving ability that could easily crack today's highest level encryption, those found in banks and government, which would, literally, take a modern supercomputer "the age of the universe to do".
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