Heisenberg constraints on mesoscopic and molecular amplifiers

Details Heisenberg constraints on mesoscopic and molecular amplifiers Heisenberg constraints on mesoscopic and molecular amplifiers

2004-07-21

arxiv.org/abs/cond-mat/0407544v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages. To appear in the Proceddings of Rencontres de Moriond on Quantum Information and Decoherence in Nanosystems, January

Scientific paper

Heisenberg uncertainty relations for current components impose constraints on
the performance of linear amplifiers. Here we derive such constraints for
amplifiers in which the input signal modulates a bias current in order to
produce an amplified output. These amplifiers include transistors, macroscopic,
mesoscopic, or molecular, operated as linear amplifiers.

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