99 4 A toy model of interlayer pair hopping
نویسنده
چکیده
We extend the correlated electron model of Baskaran [Mod. Phys. Lett. B5, 643(1991)] to the case of coupled layers. We show that the nature of the non-Fermi liquid ground state leads to the absence of electron-like quasiparticles at the Fermi surface, thereby suppressing coherent transport of electrons between the coupled layers (“confinement”). On the other hand, motion of singlet pairs between the layers is not blocked. We also discuss how pair tunneling can be used to construct a superconducting ground state.
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تاریخ انتشار 1994