Nonlinear physics of moiré superlattices

L Du, Z Huang, J Zhang, F Ye, Q Dai, H Deng… - Nature Materials, 2024 - nature.com
Nonlinear physics is one of the most important research fields in modern physics and
materials science. It offers an unprecedented paradigm for exploring many fascinating …

Creating chirality in the nearly two dimensions

H Zhu, BI Yakobson - Nature Materials, 2024 - nature.com
Structural chirality, defined as the lack of mirror symmetry in materials' atomic structure, is
only meaningful in three-dimensional space. Yet two-dimensional (2D) materials, despite …

First Indication of Solar Neutrinos through Coherent Elastic Neutrino-Nucleus Scattering in PandaX-4T

Z Bo, W Chen, X Chen, Y Chen, Z Cheng, X Cui… - Physical Review Letters, 2024 - APS
The PandaX-4T liquid xenon detector at the China Jinping Underground Laboratory is used
to measure the solar B 8 neutrino flux by detecting neutrinos through coherent scattering …

Light-enhanced nonlinear Hall effect

F Qin, R Chen, CH Lee - Communications Physics, 2024 - nature.com
The Hall response can be dramatically different from its quantized value in materials with
broken inversion symmetry. This stems from the leading Hall contribution beyond the linear …

Odd nonlinear conductivity under spatial inversion in chiral tellurium

M Suárez-Rodríguez, B Martín-García, W Skowroński… - Physical Review Letters, 2024 - APS
Electrical transport in noncentrosymmetric materials departs from the well-established
phenomenological Ohm's law. Instead of a linear relation between current and electric field …

Dynamical properties of quantum many-body systems with long-range interactions

M Song, J Zhao, C Zhou, ZY Meng - Physical Review Research, 2023 - APS
Employing large-scale quantum Monte Carlo simulations, we systematically compute the
energy spectra of the two-dimensional (2D) spin-1/2 Heisenberg model with long-range …

Quantum criticality and entanglement for the two-dimensional long-range Heisenberg bilayer

M Song, J Zhao, Y Qi, J Rong, ZY Meng - Physical Review B, 2024 - APS
The study of quantum criticality and entanglement in systems with long-range (LR)
interactions is still in its early stages, with many open questions remaining to be explored. In …

Inability of linear axion holographic Gubser-Rocha model to capture all the transport anomalies of strange metals

Y Ahn, M Baggioli, HS Jeong, KY Kim - Physical Review B, 2023 - APS
In the last decade, motivated by the concept of Planckian relaxation and the possible
existence of a quantum critical point in cuprate materials, holographic techniques have been …

Tunable moiré materials for probing Berry physics and topology

PC Adak, S Sinha, A Agarwal… - Nature Reviews Materials, 2024 - nature.com
Berry curvature physics and quantum geometric effects have been instrumental in
advancing topological condensed matter physics in recent decades. Although Landau level …

Engineering the Band Topology in a Rhombohedral Trilayer Graphene Moiré Superlattice

X Han, Q Liu, Y Wang, R Niu, Z Qu, Z Wang, Z Li… - Nano Letters, 2024 - ACS Publications
Moiré superlattices have become a fertile playground for topological Chern insulators,
where the displacement field can tune the quantum geometry and Chern number of the …