Electrons hop; current and heat drop

A novel digital circuit that moves only two electrons discards transistors in favor of voltage-sensing units for processing bits.

References:

Amlani, I. . . . G.H. Bernstein . . . and G.L. Snider. 1999. Digital logic gate using quantum-dot cellular automata. Science 284(April 9):289.

Further Readings:

Peterson, I. 1994. Computing with charged quantum-dot arrays. Science News 146(Dec. 3):375.

Sources:

Gary H. Bernstein
University of Notre Dame
Department of Electrical Engineering
Notre Dame, IN 46556

Gregory L. Snider
University of Notre Dame
Department of Electrical Engineering
Notre Dame, IN 46556

From Science News, Vol. 155, No. 19, May 8, 1999, p. 303. Copyright © 1999, Science Service.

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