Theory of In-Plane-Magnetic-Field-Dependent Excitonic Spectra in Atomically Thin Semiconductors
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| Main Authors: | , , , , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866918336359563264 |
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| author | Snoeken, Michiel Steeger, Paul Schmidt, Robert de Vasconcellos, Steffen Michaelis Bratschitsch, Rudolf Knorr, Andreas Mittenzwey, Henry |
| author_facet | Snoeken, Michiel Steeger, Paul Schmidt, Robert de Vasconcellos, Steffen Michaelis Bratschitsch, Rudolf Knorr, Andreas Mittenzwey, Henry |
| contents | The linear absorption spectrum of excitons in TMDC monolayers under the influence of an in-plane magnetic field is theoretically studied. We demonstrate that in-plane magnetic fields induce a hybridization between spin-bright and spin-dark exciton transitions, resulting in a brightening of spin-dark excitons. We analytically investigate spectral features including resonance energy shifts, broadening and amplitudes ratios. In particular, for a MoSe$_2$ monolayer with radiatively-limited linewidth, we find a complex interplay of dark-bright splitting and linewidth difference of both involved spin-bright and spin-dark excitons. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2511_02524 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Theory of In-Plane-Magnetic-Field-Dependent Excitonic Spectra in Atomically Thin Semiconductors Snoeken, Michiel Steeger, Paul Schmidt, Robert de Vasconcellos, Steffen Michaelis Bratschitsch, Rudolf Knorr, Andreas Mittenzwey, Henry Mesoscale and Nanoscale Physics The linear absorption spectrum of excitons in TMDC monolayers under the influence of an in-plane magnetic field is theoretically studied. We demonstrate that in-plane magnetic fields induce a hybridization between spin-bright and spin-dark exciton transitions, resulting in a brightening of spin-dark excitons. We analytically investigate spectral features including resonance energy shifts, broadening and amplitudes ratios. In particular, for a MoSe$_2$ monolayer with radiatively-limited linewidth, we find a complex interplay of dark-bright splitting and linewidth difference of both involved spin-bright and spin-dark excitons. |
| title | Theory of In-Plane-Magnetic-Field-Dependent Excitonic Spectra in Atomically Thin Semiconductors |
| topic | Mesoscale and Nanoscale Physics |
| url | https://arxiv.org/abs/2511.02524 |