Symmetry analysis shows orbital hybridization vanishes along the BZ diagonal, allowing the gap on alpha/beta pockets to test d_x2-y2 vs d_z2 dominance; experiments and RPA favor Hund's rule mechanism with full gap.
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Position-dependent STM spectra in La2PrNi2O7 are computed from a two-orbital bilayer model, showing orbital-selective coherence peaks and impurity scattering that enable band identification.
RPA calculations predict strain-tunable superconductivity in 1313-La3Ni2O7 films, with s± pairing emerging under tensile strain when the γ pocket is optimally sized.
Constrained-path QMC simulations of a bilayer Hubbard model map a crossover from d-wave to s±-wave pairing driven by Hund's coupling and crystal field splitting in La3Ni2O7.
Multiband effects and orbital-selective damping in bilayer nickelates produce pronounced temperature dependence in the Hall coefficient via the quasi-quantum metric contribution to transport.
The review covers experimental and theoretical progress on superconductivity in Ruddlesden-Popper nickelates, emphasizing ambient-pressure thin-film results in La3Ni2O7.
citing papers explorer
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Electronic theory for scanning tunneling microscopy spectra in bilayer nickelate thin films
Position-dependent STM spectra in La2PrNi2O7 are computed from a two-orbital bilayer model, showing orbital-selective coherence peaks and impurity scattering that enable band identification.
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Tunable Superconductivity in 1313-La$_3$Ni$_2$O$_7$: Suppressed under Compression and Possible $s^{\pm}$ Pairing under Tension
RPA calculations predict strain-tunable superconductivity in 1313-La3Ni2O7 films, with s± pairing emerging under tensile strain when the γ pocket is optimally sized.
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Superconductivity in Ruddlesden-Popper nickelates: a review of recent progress, focusing on thin films
The review covers experimental and theoretical progress on superconductivity in Ruddlesden-Popper nickelates, emphasizing ambient-pressure thin-film results in La3Ni2O7.