Dressed-State Spectroscopy of Proton Spins in Water Beyond the Rotating-Wave Approximation
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arXiv
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| Autori principali: | , , , , , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2026
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| _version_ | 1866911518787895296 |
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| author | Schulthess, Ivo Fratangelo, Anastasio Hautle, Patrick Heil, Philipp Markaj, Gjon Persoz, Marc Pistillo, Ciro Thorne, Jacob Piegsa, Florian M. |
| author_facet | Schulthess, Ivo Fratangelo, Anastasio Hautle, Patrick Heil, Philipp Markaj, Gjon Persoz, Marc Pistillo, Ciro Thorne, Jacob Piegsa, Florian M. |
| contents | The quantum Rabi model provides the framework for describing a two-level system interacting with a strong oscillating field beyond the rotating-wave approximation. We report the first experimental observation of the resulting dressed states of proton spins in water, realized using a Rabi-type setup with a strong off-resonant magnetic dressing field. The measured resonance spectrum exhibits multiple spin-state transitions involving several dressing-field quanta, including higher-order resonances predicted by the quantum Rabi model. The dressed-state energies show excellent agreement with theoretical expectations, extending dressed-state spectroscopy to proton spins and opening new possibilities for precision spin manipulation in nuclear magnetic resonance and related precision measurements. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2603_14878 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Dressed-State Spectroscopy of Proton Spins in Water Beyond the Rotating-Wave Approximation Schulthess, Ivo Fratangelo, Anastasio Hautle, Patrick Heil, Philipp Markaj, Gjon Persoz, Marc Pistillo, Ciro Thorne, Jacob Piegsa, Florian M. High Energy Physics - Experiment The quantum Rabi model provides the framework for describing a two-level system interacting with a strong oscillating field beyond the rotating-wave approximation. We report the first experimental observation of the resulting dressed states of proton spins in water, realized using a Rabi-type setup with a strong off-resonant magnetic dressing field. The measured resonance spectrum exhibits multiple spin-state transitions involving several dressing-field quanta, including higher-order resonances predicted by the quantum Rabi model. The dressed-state energies show excellent agreement with theoretical expectations, extending dressed-state spectroscopy to proton spins and opening new possibilities for precision spin manipulation in nuclear magnetic resonance and related precision measurements. |
| title | Dressed-State Spectroscopy of Proton Spins in Water Beyond the Rotating-Wave Approximation |
| topic | High Energy Physics - Experiment |
| url | https://arxiv.org/abs/2603.14878 |