2026
Andrea Marini Maciej Dendzik, Samuel Beaulieu
Ultrafast nonlinear Hall effect in black phosphorus Journal Article
In: 2026.
Abstract | Links | BibTeX | Tags: gener, General Materials Science, Mesoscale and Nanoscale Physics, Strongly Correlated Electrons
@article{nokey,
title = {Ultrafast nonlinear Hall effect in black phosphorus},
author = {Maciej Dendzik, Andrea Marini, Samuel Beaulieu, Shuo Dong, Tommaso Pincelli, Julian Maklar, R. Patrick Xian, Enrico Perfetto, Martin Wolf, Gianluca Stefanucci, Ralph Ernstorfer, Laurenz Rettig},
editor = {Cornell University},
url = {https://arxiv.org/pdf/2604.06083},
doi = { https://doi.org/10.48550/arXiv.2604.06083},
year = {2026},
date = {2026-04-07},
urldate = {2026-04-07},
abstract = {The nonlinear Hall effect (NHE) is a recently discovered member of the Hall effect family in which the Hall voltage shows a nonlinear behavior when a transverse electric field is applied. While the NHE does not require broken time-reversal symmetry, such as that induced by a magnetic field, it requires broken inversion symmetry, which limits the range of suitable systems and potential applications. Here, we demonstrate an ultrafast NHE in centrosymmetric black phosphorus through dynamical symmetry breaking using femtosecond light pulses. We provide a detailed microscopic picture of excited carrier dynamics and induced fields using momentum-resolved photoemission spectroscopy combined with textit{ab-initio} calculations. The ultrafast NHE is observed exclusively for the light polarization aligned with the armchair high-symmetry direction and persists over 300 fs, which opens new possibilities for selective and ultrafast light-to-current conversions.},
keywords = {gener, General Materials Science, Mesoscale and Nanoscale Physics, Strongly Correlated Electrons},
pubstate = {published},
tppubtype = {article}
}
The nonlinear Hall effect (NHE) is a recently discovered member of the Hall effect family in which the Hall voltage shows a nonlinear behavior when a transverse electric field is applied. While the NHE does not require broken time-reversal symmetry, such as that induced by a magnetic field, it requires broken inversion symmetry, which limits the range of suitable systems and potential applications. Here, we demonstrate an ultrafast NHE in centrosymmetric black phosphorus through dynamical symmetry breaking using femtosecond light pulses. We provide a detailed microscopic picture of excited carrier dynamics and induced fields using momentum-resolved photoemission spectroscopy combined with textit{ab-initio} calculations. The ultrafast NHE is observed exclusively for the light polarization aligned with the armchair high-symmetry direction and persists over 300 fs, which opens new possibilities for selective and ultrafast light-to-current conversions.
