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Magnetoplasmon molecule
Abstract
We investigate a two-dimensional electron system in an external magnetic field. An intrinsic four-particle excitation of the electron system, which we term a magnetoplasmon molecule, is observed. The molecule comprises two identical electrons and two Fermi holes with opposite spins. Both electrons and one Fermi hole participate in the collective plasma oscillations of the electron system, whereas the second Fermi hole neutralizes the excess electronic charge. We examine the interaction between the magnetoplasmon molecule and a magnetoexciton condensate.
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BibTeX
@misc{larionov2026magnetoplasmon,
title = {{Magnetoplasmon molecule}},
author = {A. V. Larionov and A. V. Gorbunov and A. B. Van'kov and D. A. Shchigarev and L. V. Kulik and V. Umansky},
howpublished = {arXiv},
year = {2026},
month = sep,
doi = {10.48550/arxiv.2609.36036},
eprint = {2609.36036},
archivePrefix = {arXiv},
url = {https://arxiv.org/abs/2609.36036},
}
RIS
TY - UNPB
TI - Magnetoplasmon molecule
AU - A. V. Larionov
AU - A. V. Gorbunov
AU - A. B. Van'kov
AU - D. A. Shchigarev
AU - L. V. Kulik
AU - V. Umansky
PY - 2026
DA - 2026/09/28
PB - arXiv
DO - 10.48550/arxiv.2609.36036
UR - https://arxiv.org/abs/2609.36036
AB - We investigate a two-dimensional electron system in an external magnetic field. An intrinsic four-particle excitation of the electron system, which we term a magnetoplasmon molecule, is observed. The molecule comprises two identical electrons and two Fermi holes with opposite spins. Both electrons and one Fermi hole participate in the collective plasma oscillations of the electron system, whereas the second Fermi hole neutralizes the excess electronic charge. We examine the interaction between the magnetoplasmon molecule and a magnetoexciton condensate.
ER -