Hole-doped spin multimer systems exhibit superconductivity signatures when mapped to the hardcore boson model in the strong-binding-energy limit, with pairing persisting in DMRG simulations of the double Kondo lattice.
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Superconductivity in 1313 La3Ni2O7 resides in the hole-doped trilayer subsystem with s±-wave pairing, weakened by doping and S-N-S Josephson coupling from the Mott-insulating single-layer subsystem.
La5Ni3O11 shows layer-selective physics with the single layer near a Mott instability and the bilayer dominating low-energy states, yielding an electronic structure that closely resembles the bilayer La3Ni2O7.
citing papers explorer
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Superconductivity in doped spin multimer systems
Hole-doped spin multimer systems exhibit superconductivity signatures when mapped to the hardcore boson model in the strong-binding-energy limit, with pairing persisting in DMRG simulations of the double Kondo lattice.
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Pairing mechanism and superconductivity in 1313 phase La$_3$Ni$_2$O$_7$
Superconductivity in 1313 La3Ni2O7 resides in the hole-doped trilayer subsystem with s±-wave pairing, weakened by doping and S-N-S Josephson coupling from the Mott-insulating single-layer subsystem.