Introduction

• 1 January 1953
• journal article
• research article
• Published by American Physical Society (APS) in Reviews of Modern Physics
• Vol. 25  (1) , 1
• https://doi.org/10.1103/revmodphys.25.1

Abstract

Keywords

• HTTPS
• DOI.ORG/10.1103/REVMODPHYS.25.1
• INTRODUCTION DOI