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Lev Landau and the conception of neutron stars | | Dmitry G. Yakovlev
; Pawel Haensel
; Gordon Baym
; Christopher J. Pethick
; | | Date: |
2 Oct 2012 | | Abstract: | We review the history of neutron star physics in the 1930s that is related to
L. Landau. According to recollections of Rosenfeld (1974, Proc. 16th Solvay
Conference on Physics, p. 174), Landau improvised the concept of neutron stars
in a discussion with Bohr and Rosenfeld just after the news of the discovery of
the neutron reached Copenhagen in February 1932. We present arguments that the
discussion took place in March 1931, before the discovery of the neutron, and
that they in fact discussed the paper written by Landau in Zurich in February
1931 but not published until February 1932 (Phys. Z. Sowjetunion, 1, 285). In
his paper Landau mentioned the possible existence of dense stars which look
like one giant nucleus; this can be regarded as an early theoretical prediction
or anticipation of neutron stars, prior to the discovery of the neutron. The
coincidence of the dates of the neutron’s discovery and the paper’s publication
has led to an erroneous association of the paper with the discovery of the
neutron. In passing, we outline the contribution of Landau to the theory of
white dwarfs and to the hypothesis of stars with neutron cores. | | Source: | arXiv, 1210.0682 | | Services: | Forum | Review | PDF | Favorites | |
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