Control of a Coupled Two Spin System Without Hard Pulses

TL;DR

This paper presents a method for controlling a coupled two-spin quantum system using bounded, piecewise sinusoidal fields at specific frequencies, avoiding the need for hard pulses.

Contribution

It introduces a constructive control approach employing bounded amplitude sinusoidal fields at alarm frequencies for two-spin systems.

Findings

Effective control achieved without hard pulses

Bounded amplitude fields at specific frequencies are sufficient

Method applicable to quantum spin systems

Abstract

Constructive methods for controlling a coupled, two spin system via bounded amplitude, piecewise sinusoidal fields are provided. The fields are incident at the alrmor frequencies and take one of two phase values