Continuum dynamics of the 1-D Heisenberg antiferromagnet: Identification with the O(3) nonlinear sigma model

On the theory of metals. 1. Eigenvalues and eigenfunctions for the linear atomic chain

Hans A. Bethe · European Physical Journal A · 1931 · 2K citations

Natural Sciences, Materials Science, Physics +11

Interaction of goldstone particles in two dimensions. Applications to ferromagnets and massive Yang-Mills fields

A. Polyakov · Physics Letters B · 1975 · 1.1K citations

Natural Sciences, Physics, Condensed Matter Physics +11

Integrable Hamiltonian systems and interactions through quadratic constraints

K. Pohlmeyer · Communications in Mathematical Physics · 1976 · 953 citations · Full text

Natural Sciences, Mathematics, Physics +14

What is the spin of a spin wave?

L. D. Faddeev, Leon A. Takhtajan · Physics Letters A · 1981 · 711 citations

Natural Sciences, Physics, Condensed Matter Physics +11

The picture of low-lying excitations in the isotropic Heisenberg chain of arbitrary spins

Leon A. Takhtajan · Physics Letters A · 1982 · 558 citations

Natural Sciences, Physics, Condensed Matter Physics +14