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The determinant method and quantum simulations of many-body effects in a single impurity Anderson model

Research paper by J. E. Gubernatis, T. C. Olson, D. J. Scalapino, R. L. Sugar

Indexed on: 01 Jun '86Published on: 01 Jun '86Published in: Journal of Statistical Physics



Abstract

We present a short description of a quantum Monte Carlo technique that has proved useful for simulating many-body effects in systems of interacting fermions at finite temperatures. We then report our preliminary results using this technique on a single impurity Anderson model. Examples of such many-body effects as local moment formation, Kondo behavior, and mixed valence phenomena found in the simulations are shown.