تقرير
A phase diagram for light-induced superconductivity in $\kappa$-(ET)$_2$-X
| العنوان: | A phase diagram for light-induced superconductivity in $\kappa$-(ET)$_2$-X |
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| المؤلفون: | Buzzi, M., Nicoletti, D., Fava, S., Jotzu, G., Miyagawa, K., Kanoda, K., Henderson, A., Siegrist, T., Schlueter, J. A., Nam, M. -S., Ardavan, A., Cavalleri, A. |
| سنة النشر: | 2021 |
| المجموعة: | Condensed Matter |
| مصطلحات موضوعية: | Condensed Matter - Superconductivity, Condensed Matter - Strongly Correlated Electrons |
| الوصف: | Resonant optical excitation of certain molecular vibrations in $\kappa$-(BEDT-TTF)$_2$Cu[N(CN)$_2$]Br has been shown to induce transient superconducting-like optical properties at temperatures far above equilibrium $T_c$. Here, we report experiments across the bandwidth-tuned phase diagram of this class of materials, and study the Mott insulator $\kappa$-(BEDT-TTF)$_2$Cu[N(CN)$_2$]Cl and the metallic compound $\kappa$-(BEDT-TTF)$_2$Cu(NCS)$_2$. We find non-equilibrium photoinduced superconductivity only in $\kappa$-(BEDT-TTF)$_2$Cu[N(CN)$_2$]Br, indicating that the proximity to the Mott insulating phase and possibly the presence of preexisting superconducting fluctuations are pre-requisites for this effect. Comment: 14 pages, 4 figures |
| نوع الوثيقة: | Working Paper |
| DOI: | 10.1103/PhysRevLett.127.197002 |
| URL الوصول: | http://arxiv.org/abs/2106.14244 |
| رقم الأكسشن: | edsarx.2106.14244 |
| قاعدة البيانات: | arXiv |
| DOI: | 10.1103/PhysRevLett.127.197002 |
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