Quantum geometry in condensed matter
One of the most celebrated accomplishments of modern physics is the description of
fundamental principles of nature in the language of geometry. As the motion of celestial …
fundamental principles of nature in the language of geometry. As the motion of celestial …
Quantum geometry induced nonlinear transport in altermagnets
Quantum geometry plays a pivotal role in the second-order response of PT-symmetric
antiferromagnets. Here we study the nonlinear response of 2D altermagnets protected by C …
antiferromagnets. Here we study the nonlinear response of 2D altermagnets protected by C …
Tunable moiré materials for probing Berry physics and topology
Berry curvature physics and quantum geometric effects have been instrumental in
advancing topological condensed matter physics in recent decades. Although Landau level …
advancing topological condensed matter physics in recent decades. Although Landau level …
Evidence for chiral graviton modes in fractional quantum Hall liquids
J Liang, Z Liu, Z Yang, Y Huang, U Wurstbauer… - Nature, 2024 - nature.com
Exotic physics could emerge from interplay between geometry and correlation. In fractional
quantum Hall (FQH) states, novel collective excitations called chiral graviton modes (CGMs) …
quantum Hall (FQH) states, novel collective excitations called chiral graviton modes (CGMs) …
Unification of nonlinear anomalous Hall effect and nonreciprocal magnetoresistance in metals by the quantum geometry
The quantum geometry has significant consequences in determining transport and optical
properties in quantum materials. Here, we use a semiclassical formalism coupled with …
properties in quantum materials. Here, we use a semiclassical formalism coupled with …
Quantum geometry induced third-order nonlinear transport responses
Nonlinear transport phenomena offer an exciting probe into the band geometry and
symmetry properties of a system. While most studies on nonlinear transport have looked at …
symmetry properties of a system. While most studies on nonlinear transport have looked at …
Orbital Magneto-Nonlinear Anomalous Hall Effect in Kagome Magnet
It has been theoretically predicted that perturbation of the Berry curvature by electromagnetic
fields gives rise to intrinsic nonlinear anomalous Hall effects that are independent of …
fields gives rise to intrinsic nonlinear anomalous Hall effects that are independent of …
Nonlinear Hall effect on a disordered lattice
The nonlinear Hall effect has recently attracted significant interest due to its potential as a
promising spectral tool and for device applications. A theory of the nonlinear Hall effect on a …
promising spectral tool and for device applications. A theory of the nonlinear Hall effect on a …
Intrinsic nonlinear Ohmic current
YD Wang, ZF Zhang, ZG Zhu, G Su - Physical Review B, 2024 - APS
It is known that intrinsic currents in magnetic metals often appear in the direction
perpendicular to the external field for linear and nonlinear responses. Distinct from three …
perpendicular to the external field for linear and nonlinear responses. Distinct from three …
Intrinsic nonlinear Hall detection of the Néel vector for two-dimensional antiferromagnetic spintronics
The respective unique merit of antiferromagnets and two-dimensional (2D) materials in
spintronic applications inspires us to exploit 2D antiferromagnetic spintronics. However, the …
spintronic applications inspires us to exploit 2D antiferromagnetic spintronics. However, the …