Resonating Valence Bond Theory of Superconductivity for Dopant Carriers: Application to the Cobaltates
classification
❄️ cond-mat.supr-con
cond-mat.str-el
keywords
mathrmtheorydopantagreementapplicationapplybondcarriers
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Within the $t$--$J$ model Hamiltonian we present a RVB mean field theory directly in terms of dopant particles. We apply this theory to $\mathrm{Na}_{x}\mathrm{CoO_{2}}\cdot y% \mathrm{H_{2}0}$ and show that the resulting phase diagram $T_c$ versus doping is in qualitative agreement with the experimental results.
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