Quantum catcher - stopping particles of unknown velocities

TL;DR

This paper introduces a novel method to halt particles with unknown velocities using a collision with an accelerated wall following a sqrt(t) trajectory, supported by classical, quantum, and simulation analyses.

Contribution

It presents a new approach combining classical and quantum models to effectively stop particles of unknown velocities using a specific wall trajectory.

Findings

The method efficiently stops particles of unknown velocities.

Classical and quantum models agree on the effectiveness.

Numerical simulations confirm the approach's practicality.

Abstract

We propose a method to stop particles of unknown velocities by collision with an accelerated wall with trajectory ~sqrt(t). We present classical and quantum mechanical descriptions and numerical simulations that show the efficiency of the method.