A direct dispersive signature of Pauli spin blockade
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arXiv
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| Main Authors: | , , , , , , , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866909660565471232 |
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| author | Svab, Simon Eggli, Rafael S. Patlatiuk, Taras Carballido, Miguel J. Kwon, Pierre Chevalier Trüssel, Dominique A. Li, Ang Bakkers, Erik P. A. M. Kuhlmann, Andreas V. Zumbühl, Dominik M. |
| author_facet | Svab, Simon Eggli, Rafael S. Patlatiuk, Taras Carballido, Miguel J. Kwon, Pierre Chevalier Trüssel, Dominique A. Li, Ang Bakkers, Erik P. A. M. Kuhlmann, Andreas V. Zumbühl, Dominik M. |
| contents | Pauli Spin Blockade (PSB) is a key paradigm in semiconductor nanostructures and gives access to the spin physics. We report the direct observation of PSB with gate-dispersive reflectometry on double quantum dots with source-drain bias. The reservoir charge transitions are strongly modulated, turning on and off when entering and leaving the blockaded region, consistent with a simple model. Seen with holes in Ge and Si, the effects are enhanced with larger bias voltage and suppressed by magnetic field. This work lays the foundation for fast probing of spin physics and minimally invasive spin readout. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2506_20509 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | A direct dispersive signature of Pauli spin blockade Svab, Simon Eggli, Rafael S. Patlatiuk, Taras Carballido, Miguel J. Kwon, Pierre Chevalier Trüssel, Dominique A. Li, Ang Bakkers, Erik P. A. M. Kuhlmann, Andreas V. Zumbühl, Dominik M. Mesoscale and Nanoscale Physics Pauli Spin Blockade (PSB) is a key paradigm in semiconductor nanostructures and gives access to the spin physics. We report the direct observation of PSB with gate-dispersive reflectometry on double quantum dots with source-drain bias. The reservoir charge transitions are strongly modulated, turning on and off when entering and leaving the blockaded region, consistent with a simple model. Seen with holes in Ge and Si, the effects are enhanced with larger bias voltage and suppressed by magnetic field. This work lays the foundation for fast probing of spin physics and minimally invasive spin readout. |
| title | A direct dispersive signature of Pauli spin blockade |
| topic | Mesoscale and Nanoscale Physics |
| url | https://arxiv.org/abs/2506.20509 |