Abstract
Recent progress in flux phases is reviewed. First numerical evidence favors a conjecture, due to Wiegmann, that a state with a flux per plaquette equal to the electron density has the lowest energy for a n.n. tightbinding model on a square lattice. The t — J model is examined using a renormalized mean field theory and shown to have an instability towards flux phases at large enough J/t. These flux states have a collective gauge variable and exhibit superconducting properties.
On leave of absence until August 31, 1989 from Physique des Solides, Univ. Paris Sud, F-91405 Orsay, France
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Lederer, P., Poilblanc, D., Rice, T.M. (1989). Recent Advances in the Stability and Properties of Commensurate Flux Phases. In: Fukuyama, H., Maekawa, S., Malozemoff, A.P. (eds) Strong Correlation and Superconductivity. Springer Series in Solid-State Sciences, vol 89. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-83836-1_2
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DOI: https://doi.org/10.1007/978-3-642-83836-1_2
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