Single spin Toffoli–Fredkin logic gate

Single spin Toffoli-Fredkin logic gate

Light-programmable Logic Gate

This paper describes a new method of retroactively programming a genetic circuit to exhibit the behavior of one of four logic gates (AND, OR, NAND, and NOR) using pulses of light. These pulses must occur after DNA transfection into the host cell. The pulses of light deactivate a photosensitive kinase, inhibiting phosphorylation. Using this effect, we can control the transcription of recombinase...

A molecular logic gate.

We propose a scheme for molecule-based information processing by combining well-studied spectroscopic techniques and recent results from chemical dynamics. Specifically it is discussed how optical transitions in single molecules can be used to rapidly perform classical (Boolean) logical operations. In the proposed way, a restricted number of states in a single molecule can act as a logical gate...

Modeling of Single Spin Logic Based Hazard Free Network

Modern CMOS based advanced digital circuits suffer unwanted switching transients referred as ‘hazard’, due to ununilateral propagation delays. The hazard in combinational circuit results from a single variable change when the output should not have been altered or manipulated. The hazardous behavior of the logic circuit often creates a glitch. The glitching effect is negligible in very small ci...

A Capacitive Threshold-Logic Gate

A dense and fast threshold-logic gate with a very high fan-in capacity is described. The gate performs sum-ofproduct and thresholding operations in an architecture comprising a poly-to-poly capacitor array and an inverter chain. The Boolean function performed by the gate is soft programmable. This is accomplished by adjusting the threshold with a dc voltage. Essentially, the operation is dynami...