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Coupling of Magnetic Phases at Nickelate Interfaces
C. Domínguez, J. Fowlie, A. B. Georgescu +9
In this work we present a model system built out of artificially layered materials, allowing us to understand the interrelation of magnetic phases with that of the metallic-insulat…
Real space representation of topological system: twisted bilayer graphene as an example
Jiawei Zang, Jie Wang, Antoine Georges +2
We construct a Wannier basis for twisted bilayer graphene that is projected only from the Bloch functions of the twisted bilayer flat bands. The and symme…
Machine Learning for Optical Scanning Probe Nanoscopy
Xinzhong Chen, Suheng Xu, Sara Shabani +7
The ability to perform nanometer-scale optical imaging and spectroscopy is key to deciphering the low-energy effects in quantum materials, as well as vibrational fingerprints in pl…
Second-order magnetic responses in quantum magnets: Magnetization under ac magnetic fields
Tatsuya Kaneko, Yuta Murakami, Shintaro Takayoshi +1
We investigate second-order magnetic responses of quantum magnets against ac magnetic fields. We focus on the case where the component of the spin is conserved in the unperturb…
Superconductivity and Antiferromagnetism in NdNiO and CaCuO: A Cluster DMFT Study
Jonathan Karp, Alexander Hampel, Andrew J. Millis
We perform a comparative real space cluster DMFT study on minimal models for NdNiO and CaCuO obtained from downfolding DFT states, using a Nambu formalism that…
Dynamical Mean Field Studies of Infinite Layer Nickelates: Physics Results and Methodological Implications
Hanghui Chen, Alexander Hampel, Jonathan Karp +2
This article summarizes recent work on the many-body (beyond density functional theory) electronic structure of layered rare-earth nickelates, both in the context of the materials…