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254 papers · 1 filter
Strongly Entangled Kondo and Kagome Lattices and the Emergent Magnetic Ground State in Heavy-Fermion Kagome Metal YbVSn
Rui Lou, Max Mende, Riccardo Vocaturo +31
Applying angle-resolved photoemission spectroscopy and density functional theory calculations, we present compelling spectroscopic evidence demonstrating the intertwining and mutua…
Spin ladder quantum simulators from spin-orbit-coupled quantum dot spin qubits
Yang-Zhi Chou, Sankar Das Sarma
Motivated by the recent Ge hole spin qubit experiments, we construct and study a two-leg spin ladder from a quantum dot array with spin-orbit couplings (SOCs), aiming to uncover th…
Perturbative renormalization group approach to magic-angle twisted bilayer graphene using topological heavy fermion model
Yi Huang, Yang-Zhi Chou, Sankar Das Sarma
We develop a perturbative renormalization group (RG) theory for the topological heavy fermion (THF) model, describing magic-angle twisted bilayer graphene (MATBG) as an emergent An…
Apparent inconsistency between Streda formula and Hall conductivity in reentrant integer quantum anomalous Hall effect in twisted MoTe
Yi Huang, Seth Musser, Jihang Zhu +2
Recent experiments in twisted bilayer MoTe (tMoTe) have uncovered a rich landscape of correlated phases. In this work, we investigate the reentrant integer quantum anomalou…
Probing Quantum Anomalous Hall States in Twisted Bilayer WSe2 via Attractive Polaron Spectroscopy
Beini Gao, Mahdi Ghafariasl, Mahmoud Jalali Mehrabad +15
Moiré superlattices in semiconductors exhibit a rich variety of interaction-induced topological states, including quantum anomalous Hall (QAH) effects. A recent study hinted that t…
Purely electronic model for exciton-polaron formation in moiré heterostructures
Fabian Pichler, Mohammad Hafezi, Michael Knap
Understanding interactions between excitons and correlated electronic states presents a fundamental challenge in quantum many-body physics. Here, we introduce a purely electronic m…