Hole-doped spin multimer systems mapped to hardcore boson model exhibit superconductivity signatures; DMRG on double Kondo lattice shows pairing persists via crossover and pair correlations become independent of local spin details once binding energy is sufficient.
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Two specific antiferromagnetic exchange channels in bilayer La3Ni2O7 produce a robust s± superconducting state via the gene principle and collaborative Fermi-surface rule.
A d_x2-y2 orbital bilayer t-J model with first-principles parameters unifies experimental Tc controls in La3Ni2O7 via particle-hole asymmetry and J_perp dependence, proposing electron doping to enhance Tc.
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.
Superconductivity in La3Ni2O7 arises from interlayer Cooper pairs of 3d_x2-y2 electrons driven by effective J_perp from Hund-assisted AFM exchange transfer, while localized 3d_z2 electrons form rung singlets that produce a pseudogap but no condensate.
citing papers explorer
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Superconductivity in doped spin multimer systems
Hole-doped spin multimer systems mapped to hardcore boson model exhibit superconductivity signatures; DMRG on double Kondo lattice shows pairing persists via crossover and pair correlations become independent of local spin details once binding energy is sufficient.
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Pairing Mechanism in Bilayer Nickelate La$_3$Ni$_2$O$_7$ Superconductors
Two specific antiferromagnetic exchange channels in bilayer La3Ni2O7 produce a robust s± superconducting state via the gene principle and collaborative Fermi-surface rule.
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A Unified Understanding of the Experimental Controlling of the T$_\text{c}$ of La$_3$Ni$_2$O$_7$
A d_x2-y2 orbital bilayer t-J model with first-principles parameters unifies experimental Tc controls in La3Ni2O7 via particle-hole asymmetry and J_perp dependence, proposing electron doping to enhance Tc.
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Correlated electronic structure of the alternating monolayer-bilayer nickelate La$_{5}$Ni$_{3}$O$_{11}$
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.
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Superconductivity in bilayer La$_3$Ni$_2$O$_7$: A review focusing on the strong-coupling Hund's rule assisted pairing mechanism
Superconductivity in La3Ni2O7 arises from interlayer Cooper pairs of 3d_x2-y2 electrons driven by effective J_perp from Hund-assisted AFM exchange transfer, while localized 3d_z2 electrons form rung singlets that produce a pseudogap but no condensate.