Zobrazeno 1 - 10
of 134
pro vyhledávání: '"Grosche, F. M."'
Autor:
Weinberger, T. I., Wu, Z., Hickey, A. J., Graf, D. E., Li, G., Wang, P., Zhou, R., Cabala, A., Pu, J., Sechovsky, V., Valiska, M., Lonzarich, G. G., Grosche, F. M., Eaton, A. G.
The phase landscape of UTe$_2$ features a remarkable diversity of superconducting phases under applied pressure and magnetic field. Recent quantum oscillation studies at ambient pressure have revealed the quasi-2D Fermi surface of this material. Howe
Externí odkaz:
http://arxiv.org/abs/2403.03946
Autor:
Wu, Z., Weinberger, T. I., Hickey, A. J., Chichinadze, D. V., Shaffer, D., Cabala, A., Chen, H., Long, M., Brumm, T. J., Xie, W., Lin, Y., Skourski, Y., Zhu, Z., Graf, D. E., Sechovsky, V., Lonzarich, G. G., Valiska, M., Grosche, F. M., Eaton, A. G.
Quantum critical phenomena are widely studied across various materials families, from high temperature superconductors to magnetic insulators. They occur when a thermodynamic phase transition is suppressed to zero temperature as a function of some tu
Externí odkaz:
http://arxiv.org/abs/2403.02535
Autor:
Kurleto, R., Wu, C. -H., Acharya, S., Narayan, D. M., Berggren, B. S., Hao, P., Shackelford, A., Whitelock, H. R., Sierzega, Z., Hashimoto, M., Lu, D., Jozwiak, C., Cline, R. P., Pashov, D., Chen, J., van Schilfgaarde, M., Grosche, F. M., Dessau, D. S.
We report heavy electron behavior in unconventional superconductor YFe$_2$Ge$_2$ ($T_C \,{=}\, 1.2$ K). We directly observe very heavy bands ($m_\mathrm{eff}\sim 25 m_e$) within $\sim$10 meV of the Fermi level $E_{F}$ using angle-resolved photoelectr
Externí odkaz:
http://arxiv.org/abs/2311.09492
Autor:
Weinberger, T. I., Wu, Z., Graf, D. E., Skourski, Y., Cabala, A., Pospisil, J., Prokleska, J., Haidamak, T., Bastien, G., Sechovsky, V., Lonzarich, G. G., Valiska, M., Grosche, F. M., Eaton, A. G.
Publikováno v:
Phys. Rev. Lett. 132, 266503 (2024)
UTe$_2$ is a spin-triplet superconductor candidate for which high quality samples with long mean free paths have recently become available, enabling quantum oscillation measurements to probe its Fermi surface and effective carrier masses. It has rece
Externí odkaz:
http://arxiv.org/abs/2307.00568
Autor:
Wu, Z., Weinberger, T. I., Chen, J., Cabala, A., Chichinadze, D. V., Shaffer, D., Pospisil, J., Prokleska, J., Haidamak, T., Bastien, G., Sechovsky, V., Hickey, A. J., Mancera-Ugarte, M. J., Benjamin, S., Graf, D. E., Skourski, Y., Lonzarich, G. G., Valiska, M., Grosche, F. M., Eaton, A. G.
Publikováno v:
PNAS 121 (37) e2403067121 (2024)
The unconventional superconductor UTe$_2$ exhibits numerous signatures of spin-triplet superconductivity -- a rare state of matter which could enable quantum computation protected against decoherence. UTe$_2$ possesses a complex phase landscape compr
Externí odkaz:
http://arxiv.org/abs/2305.19033
Autor:
Eaton, A. G., Weinberger, T. I., Popiel, N. J. M., Wu, Z., Hickey, A. J., Cabala, A., Pospisil, J., Prokleska, J., Haidamak, T., Bastien, G., Opletal, P., Sakai, H., Haga, Y., Nowell, R., Benjamin, S. M., Sechovsky, V., Lonzarich, G. G., Grosche, F. M., Valiska, M.
Publikováno v:
Nature Communications 15, 223 (2024)
The heavy fermion paramagnet UTe$_2$ exhibits numerous characteristics of spin-triplet superconductivity. Efforts to understand the microscopic details of this exotic superconductivity have been impeded by uncertainty regarding the underlying electro
Externí odkaz:
http://arxiv.org/abs/2302.04758
Autor:
Willwater, J., Eppers, D., Kimmel, T., Sadrollahi, E., Litterst, F. J., Grosche, F. M., Baines, C., Süllow, S.
We present a detailed study of the magnetic properties of weakly ferromagnetic/quantum critical Nb$_{1-y}$Fe$_{2+y}$ using muon spin rotation and relaxation ($\mu$SR). By means of an angular dependent study of the muon spin rotation signal in applied
Externí odkaz:
http://arxiv.org/abs/2204.02852
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Autor:
Cheung, Y. W., Hu, Y. J., Imai, M., Tanioku, Y., Kanagawa, H., Murakawa, J., Moriyama, K., Zhang, W., Lai, K. T., Yoshimura, K., Grosche, F. M., Kaneko, K., Tsutsui, S., Goh, Swee K.
Publikováno v:
Phys. Rev. B 98, 161103(R) (2018)
Approaching a quantum critical point (QCP) has been an effective route to stabilize superconductivity. While the role of magnetic QCPs has been extensively discussed, similar exploration of a structural QCP is scarce due to the lack of suitable syste
Externí odkaz:
http://arxiv.org/abs/1810.02248
Autor:
Niklowitz, P. G., Hirschberger, M., Lucas, M., Cermak, P., Schneidewind, A., Faulhaber, E., Mignot, J. -M., Duncan, W. J., Neubauer, A., Pfleiderer, C., Grosche, F. M.
Publikováno v:
Phys. Rev. Lett. 123, 247203 (2019)
In the metallic magnet Nb$_{1-y}$Fe$_{2+y}$, the low temperature threshold of ferromagnetism can be investigated by varying the Fe excess $y$ within a narrow homogeneity range. We use elastic neutron scattering to track the evolution of magnetic orde
Externí odkaz:
http://arxiv.org/abs/1704.08379