Moiré superlattices, the artificial quantum materials, have provided a wide range of
possibilities for the exploration of completely new physics and device architectures. In this …

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 …

The Berry curvature and quantum metric are the imaginary part and real part, respectively, of
the quantum geometric tensor, which characterizes the topology of quantum states. The …

Quantum geometry in condensed-matter physics has two components: the real part quantum
metric and the imaginary part Berry curvature. Whereas the effects of Berry curvature have …

The second-order nonlinear Hall effect (NLHE) in non-centrosymmetric materials has
recently drawn intense interest, since its inherent rectification could enable various device …

Nonlinear Hall effect (NLHE) is a new type of Hall effect with wide application prospects.
Practical device applications require strong NLHE at room temperature (RT). However …

The nonlinear Hall effect with time-reversal symmetry is a second-order electronic transport
phenomenon—seen as a quadratic voltage transverse to an applied electric field—that …

Materials showing second-order nonlinear transport under time reversal symmetry can be
used for Radio Frequency (RF) rectification, but practical application demands room …

Surface plasmon resonance biosensors are drawing attention due to their real-time, label-
free, and rapid characteristic. To detect trace biomarkers (ct-DNA, mi-RNA, PD-L1) …

Though the observation of the quantum anomalous Hall effect and nonlocal transport
response reveals nontrivial band topology governed by the Berry curvature in twisted bilayer …