In the Emery model, the maximum superconducting critical temperature increases with copper-oxygen energy distance at fixed charge gap, correlating with increased oxygen hole content and deeper charge-transfer character.
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CDMFT calculations on the Emery model show that charge-transfer gap size and oxygen hole content are two independent mechanisms controlling the maximum superconducting Tc, with oxygen hole content being the dominant driver.
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Correlation of maximum superconducting critical temperature with copper-oxygen energy distance and oxygen hole content in the Emery model
In the Emery model, the maximum superconducting critical temperature increases with copper-oxygen energy distance at fixed charge gap, correlating with increased oxygen hole content and deeper charge-transfer character.
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Charge-transfer gap size and oxygen hole content as two mechanisms controlling $T_c$ in the Emery model
CDMFT calculations on the Emery model show that charge-transfer gap size and oxygen hole content are two independent mechanisms controlling the maximum superconducting Tc, with oxygen hole content being the dominant driver.