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Updated: May 3, 2026

Silicon Metal-oxide-semiconductor Quantum Dots for Single-electron Pumping

Silicon Metal-oxide-semiconductor Quantum Dots for Single-electron Pumping

Published on: June 3, 2015

Information flow and optimal protocol for a Maxwell-demon single-electron pump.

J Bergli¹, Y M Galperin², N B Kopnin³

¹Department of Physics, University of Oslo, P.O. Box 1048 Blindern, N-0316 Oslo, Norway.

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics

|February 4, 2014

Summary

This summary is machine-generated.

This study optimizes information flow and entropy in a Maxwell

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Area of Science:

Thermodynamics
Quantum Information Science
Nanotechnology

Background:

The Maxwell's demon thought experiment explores the relationship between information and thermodynamics.
Single-electron transistors offer a nanoscale platform for investigating fundamental thermodynamic principles.

Purpose of the Study:

To investigate entropy and information flow in a Maxwell's demon device.
To develop protocols minimizing irreversibility in nanoscale thermodynamic systems.

Main Methods:

Utilizing a single-electron transistor with controlled gate potentials.
Modeling charge state measurements with time-dependent gate potentials.
Constructing protocols for manipulating gate voltages to minimize irreversibility.

Main Results:

Developed protocols that minimize irreversibility under constant environmental power input or a given energy gain.
Quantified information obtained during charge state measurements.
Identified sources of irreversibility related to barrier manipulation and operational speed.

Conclusions:

Optimal protocols for minimizing irreversibility in Maxwell's demon devices were established.
These protocols are generalizable to systems with controllable barriers, advancing nanoscale thermodynamics and information science.