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Tutorial: Extracting entanglement signatures from neutron spectroscopy
Allen Scheie, Pontus Laurell, Wolfgang Simeth +2
This tutorial is a pedagogical introduction to recent methods of computing quantum spin entanglement witnesses from spectroscopy, with a special focus on neutron scattering on quan…
Prediction of -wave superconductivity enhanced by electronic doping in trilayer nickelates LaNiO under pressure
Yang Zhang, Ling-Fang Lin, Adriana Moreo +2
Motivated by the recently reported signatures of superconductivity in trilayer LaNiO under pressure, we comprehensively study this system using {\it ab initio} and r…
Non-trivial fusion of Majorana zero modes in interacting quantum-dot arrays
Bradraj Pandey, Satoshi Okamoto, Elbio Dagotto
Motivated by recent experimental reports of Majorana zero modes (MZMs) in quantum-dot systems at the ``sweet spot'', where the electronic hopping is equal to the superconduct…
Luther-Emery liquid and dominant singlet superconductivity in the hole-doped Haldane spin-1 chain
Pontus Laurell, Jacek Herbrych, Gonzalo Alvarez +1
We investigate the pairing tendencies in the hole-doped Haldane spin-1 chain. To allow for doping, we extend the original spin chain Hamiltonian into a fermionic model involving a…
Reconstructing the spatial structure of quantum correlations in materials
Allen Scheie, Pontus Laurell, Elbio Dagotto +2
Quantum correlations are a fundamental property of quantum many-body states. Yet they remain experimentally elusive, hindering certification of genuine quantum behavior, especially…
Magnetic Correlations and Pairing Tendencies of the Hybrid Stacking Nickelate Superlattice LaNiO (LaNiO/LaNiO) under Pressure
Yang Zhang, Ling-Fang Lin, Adriana Moreo +2
Motivated by the recent rapid progress in high- nickelate superconductors, we comprehensively study the physical properties of the alternating bilayer trilayer stacking nickel…