Quantum physicists trace a century of controlling spin
A concept from the field of quantum mechanics, spin is a property of particles that has no direct counterpart in everyday experience.
A concept from the field of quantum mechanics, spin is a property of particles that has no direct counterpart in everyday experience.
The short version
- Since the early 20th century, researchers have learned to manipulate it deliberately by means of precisely shaped electromagnetic pulses.
- This has resulted in two technologies that are widespread today: magnetic resonance imaging (MRI) is commonplace in hospitals, and nuclear magnetic resonance spectroscopy (NMR) is used to determine the structures of proteins and to develop new drugs.
- The mathematical framework of optimal control theory can be used to improve these technologies.
What happened
This article has been reviewed according to Science X's editorial process and policies . Editors have highlighted the following attributes while ensuring the content's credibility: "The question it answers is a practical one," explains Christiane Koch, professor of theoretical physics at Freie Universität Berlin.
Why it matters
The review article shows that the same methods now reach well beyond magnetic resonance; even molecules can be precisely controlled using tailored electromagnetic pulses.
Summary by Nerd News Network. Read the full article at Phys.org via the links above and below.