Zobrazeno 1 - 10
of 1 439
pro vyhledávání: '"Lapertot, G"'
Publikováno v:
Phys. Rev. Lett. 133, 236502 (2024)
We experimentally study the evolution of the magnetic moment $m$ and exchange interaction $J$ as a function of hydrostatic pressure in the zero-field helimagnetic phase of the strongly correlated electron system MnSi. The suppression of magnetic orde
Externí odkaz:
http://arxiv.org/abs/2411.09569
Autor:
Vasina, T., Aoki, D., Miyake, A., Seyfarth, G., Pourret, A., Marcenat, C., Patino, M. Amano, Lapertot, G., Flouquet, J., Brison, J. -P., Braithwaite, D., Knebel, G.
The existence of multiple superconducting phases induced by either pressure or magnetic field is one of the most striking features of superconductivity of UTe$_2$, among the many unusual superconducting properties of this system. Here we report therm
Externí odkaz:
http://arxiv.org/abs/2410.17733
A structural orthorhombic-to-tetragonal phase transition was recently discovered in the heavy-fermion compound UTe$_2$ at a pressure $p^*\simeq3-8$~GPa [Honda \textit{et al.}, J. Phys. Soc. Jpn. \textbf{92}, 044702 (2023); Huston \textit{et al.}, Phy
Externí odkaz:
http://arxiv.org/abs/2403.20277
Publikováno v:
Phys. Rev. B 109, L020408 (2024)
A thorough description of the physics of a magnetic compound requires the validation of its microscopic spin Hamiltonian. Here, from the analysis of muon-spin rotation spectra recorded in the magnetically ordered state at low temperature in zero and
Externí odkaz:
http://arxiv.org/abs/2401.10687
Autor:
Knafo, W., Thebault, T., Manuel, P., Khalyavin, D. D., Orlandi, F., Ressouche, E., Beauvois, K., Lapertot, G., Kaneko, K., Aoki, D., Braithwaite, D., Knebel, G., Raymond, S.
The discovery of multiple superconducting phases in UTe2 boosted research on correlated-electron physics. This heavy-fermion paramagnet was rapidly identified as a reference compound to study the interplay between magnetism and unconventional superco
Externí odkaz:
http://arxiv.org/abs/2311.05455
Autor:
Knebel, G., Pourret, A., Rousseau, S., Marquardt, N., Braithwaite, D., Honda, F., Aoki, D., Lapertot, G., Knafo, W., Seyfarth, G., Brison, J-P., Flouquet, J.
The electrical resistivity of the unconventional superconductor UTe$_2$ shows very anisotropic behavior in the normal state depending on the current direction. In the present paper we show that the maximum in the resistivity $\rho_c$ for current appl
Externí odkaz:
http://arxiv.org/abs/2306.16273
Autor:
Thebault, T., Knafo, W., Vališka, M., Lapertot, G., Pourret, A., Aoki, D., Knebel, G., Braithwaite, D.
Publikováno v:
Phys. Rev. B 106, 144406 (2022)
Multiple unconventional superconducting phases are suspected to be driven by magnetic fluctuations in the heavy-fermion paramagnet UTe$_2$, and a challenge is to identify the signatures of the electronic correlations, including the magnetic fluctuati
Externí odkaz:
http://arxiv.org/abs/2205.15789
The discovery of superconductivity in the heavy-fermion paramagnet UTe$_2$ has attracted a lot of attention, particularly due to the reinforcement of superconductivity near pressure- and magnetic-field-induced magnetic quantum phase transitions. A ch
Externí odkaz:
http://arxiv.org/abs/2108.13247
Autor:
Raymond, S., Knafo, W., Knebel, G., Kaneko, K., Brison, J. -P., Flouquet, J., Aoki, D., Lapertot, G.
We investigate the spin dynamics in the superconducting phase of UTe$_{2}$ by triple-axis inelastic neutron scattering on a single crystal sample. At the wave-vector $\bf{k_1}$=(0, 0.57, 0), where the normal state antiferromagnetic correlations are p
Externí odkaz:
http://arxiv.org/abs/2107.13914
Autor:
Nguyen, D. H., Sidorenko, A., Taupin, M., Knebel, G., Lapertot, G., Schuberth, E., Paschen, S.
Publikováno v:
Nat. Commun. 12, 4341 (2021)
Some of the highest-transition-temperature superconductors across various materials classes exhibit linear-in-temperature `strange metal' or `Planckian' electrical resistivities in their normal state. It is thus believed by many that this behavior ho
Externí odkaz:
http://arxiv.org/abs/2106.14849