Ultrafast nonlinear Hall effect in black phosphorus
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arXiv
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| Main Authors: | , , , , , , , , , , , |
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| Format: | Preprint |
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2026
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| _version_ | 1866908944315711488 |
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| author | Dendzik, Maciej Marini, Andrea Beaulieu, Samuel Dong, Shuo Pincelli, Tommaso Maklar, Julian Xian, R. Patrick Perfetto, Enrico Wolf, Martin Stefanucci, Gianluca Ernstorfer, Ralph Rettig, Laurenz |
| author_facet | Dendzik, Maciej Marini, Andrea Beaulieu, Samuel Dong, Shuo Pincelli, Tommaso Maklar, Julian Xian, R. Patrick Perfetto, Enrico Wolf, Martin Stefanucci, Gianluca Ernstorfer, Ralph Rettig, Laurenz |
| contents | 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. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2604_06083 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Ultrafast nonlinear Hall effect in black phosphorus Dendzik, Maciej Marini, Andrea Beaulieu, Samuel Dong, Shuo Pincelli, Tommaso Maklar, Julian Xian, R. Patrick Perfetto, Enrico Wolf, Martin Stefanucci, Gianluca Ernstorfer, Ralph Rettig, Laurenz Materials Science Mesoscale and Nanoscale Physics Strongly Correlated Electrons 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. |
| title | Ultrafast nonlinear Hall effect in black phosphorus |
| topic | Materials Science Mesoscale and Nanoscale Physics Strongly Correlated Electrons |
| url | https://arxiv.org/abs/2604.06083 |