Measurements of nematic susceptibility with phase sensitive nuclear magnetic resonance in pulsed strain fields
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arXiv
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| Autori principali: | , , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2023
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| _version_ | 1866910423688675328 |
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| author | Chaffey, C. Williams, C. Tanatar, M. A. Bud'ko, S. L. Canfield, P. C. Curro, N. J. |
| author_facet | Chaffey, C. Williams, C. Tanatar, M. A. Bud'ko, S. L. Canfield, P. C. Curro, N. J. |
| contents | We present nuclear magnetic resonance data in BaFe$_2$As$_2$ in the presence of pulsed strain fields that are interleaved in time with the radiofrequency excitation pulses. In this approach, the precessing nuclear magnetization acquires a phase shift that is proportional to the strain and pulse time. The sensitivity in this approach is limited by the homogeneous decoherence time, $T_2$, rather than the inhomogeneous linewidth. We measure the nematic susceptibility as a function of temperature, and demonstrate three orders of magnitude improvement in sensitivity. This approach will enable studies of the strain response in a broad range of materials that previously were inaccessible due to inhomogeneous broadening. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2312_00754 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Measurements of nematic susceptibility with phase sensitive nuclear magnetic resonance in pulsed strain fields Chaffey, C. Williams, C. Tanatar, M. A. Bud'ko, S. L. Canfield, P. C. Curro, N. J. Superconductivity Strongly Correlated Electrons We present nuclear magnetic resonance data in BaFe$_2$As$_2$ in the presence of pulsed strain fields that are interleaved in time with the radiofrequency excitation pulses. In this approach, the precessing nuclear magnetization acquires a phase shift that is proportional to the strain and pulse time. The sensitivity in this approach is limited by the homogeneous decoherence time, $T_2$, rather than the inhomogeneous linewidth. We measure the nematic susceptibility as a function of temperature, and demonstrate three orders of magnitude improvement in sensitivity. This approach will enable studies of the strain response in a broad range of materials that previously were inaccessible due to inhomogeneous broadening. |
| title | Measurements of nematic susceptibility with phase sensitive nuclear magnetic resonance in pulsed strain fields |
| topic | Superconductivity Strongly Correlated Electrons |
| url | https://arxiv.org/abs/2312.00754 |