FROM THE HISTORY OF PHYSICS

Zeldovich's spin physics (on the 110th anniversary of the birth of Yakov Borisovich Zeldovich)

A. L. Buchachenko<sup>abc

a</sup> Semenov Federal Research Center for Chemical Physics, Russian Academy of Sciences, Moscow
^b Osipyan Institute of Solid State Physics, Russian Academy of Sciences, Chernogolovka, Moscow region
^c Lomonosov Moscow State University

Abstract: We discuss Zeldovich's work in, ideas on, and findings in the physics of atomic–molecular magnetism and spectroscopy, the physics of angular momentum of electrons and nuclei, spin physics, and the physics of isotopes.

Keywords: nuclear spin, magnetic moments, magnetic isotopes, magnetic isotope effect, isotope fractionation, chemical masers.

PACS: 01.65.+g, 72.20.Fr, 75.40.Gb, 82.50.-m

Received: December 20, 2023
Accepted: March 26, 2024

DOI: 10.3367/UFNr.2024.03.039668

 English version: Physics–Uspekhi, 2024, 67:4, 343–346

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