## Zur Theorie der Metalle in Zeitschrift für Physik, Volume 71, 1931, pp. 205-226

Berlin: Julius Springer, 1931. 1st Edition. FIRST EDITION OF HANS BETHE’S NOW FAMOUS ANSATZ, "the first time a strongly interacting many-body system has been 'solved exactly'" (Weiss, Reflected Brownian Motion, 1). Bethe's ansatz, or approach, provides exact solutions of certain one-dimensional quantum many-body models. It has been used to solve..... More