Spin qubits, which could be the core logic elements of quantum computers, are cooled in a device called a dilution refrigerator to temperatures near absolute zero in order to exploit the mysterious rules of quantum mechanics
Jason Petta, an assistant professor of physics, has found a way to alter the property of a lone electron without disturbing the trillions of electrons in its immediate surroundings (Photos: Brian Wilson)
The superfast computers of tomorrow will likely be able to manipulate individual electrons, harnessing their charge and magnetism to achieve massive data storage and outstanding processing speeds at very low power requirements. But how exactly do you go about manipulating single electrons independently, without affecting the ones nearby? Princeton University's Jason Petta has recently demonstrated a way to do just that in a breakthrough for the field of spintronics that brings faster and low-power number-crunching closer to reality.
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