Sr Cu2 (BO3)2: A Unique Mott Hubbard Insulator
B Sriram Shastry, Brijesh Kumar
Abstract
We discuss the recently discovered system Sr Cu2 (BO3)2, a realization of an exactly solvable model proposed two decades earlier. We propose its interpretation as a Mott Hubbard insulator. The possible superconducting phase arising from doping is explored, and its nature as well as its importance for testing the RVB theory of superconductivity are discussed.
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