Finite-time erasing of information stored in fermionic bits

TL;DR

This paper investigates the fundamental limits and trade-offs of erasing information stored in quantum dots within finite time, exploring how feedback operations can enhance the process and reduce heat generation.

Contribution

It introduces a framework for understanding finite-time erasure of fermionic bits and demonstrates how feedback can improve thermodynamic efficiency.

Findings

Identifies fundamental limitations in finite-time erasure.

Shows feedback operations can reduce heat generation.

Analyzes trade-offs between speed and thermodynamic cost.

Abstract

We address the issue of minimizing the heat generated when erasing the information stored in an array of quantum dots in finite time. We identify the fundamental limitations and trade-offs involved in this process and analyze how a feedback operation can help improve it.