Anisotropic signatures of electronic correlations in the electrical resistivity of UTe2

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F22%3A10450665" target="_blank" >RIV/00216208:11320/22:10450665 - isvavai.cz</a>

Výsledek na webu

<a href="https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=vvkG0dWRo9" target="_blank" >https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=vvkG0dWRo9</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1103/PhysRevB.106.144406" target="_blank" >10.1103/PhysRevB.106.144406</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Anisotropic signatures of electronic correlations in the electrical resistivity of UTe2

Popis výsledku v původním jazyce

Multiple unconventional superconducting phases are suspected to be driven by magnetic fluctuations in the heavy-fermion paramagnet UTe2, and a challenge is to identify the signatures of the electronic correlations, including the magnetic fluctuations, in the bulk physical quantities. Here, we investigate thoroughly the anisotropy of the electrical resistivity of UTe2 under intense magnetic fields up to 70 T, for different electrical-current and magnetic-field configurations. Two characteristic temperatures and an anisotropic low-temperature Fermiliquid-like coefficient A, controlled by the electronic correlations, are extracted. Their critical behavior near the metamagnetic transition induced at mu 0Hm &apos; 35 T for H II b is characterized. Anisotropic scattering processes are evidenced and magnetic fluctuations are proposed to contribute, via a Kondo hybridization, to the electrical resistivity. Our work appeals for a microscopic modeling of the anisotropic contributions to the electrical resistivity as a milestone for understanding magnetically mediated superconductivity in UTe2.

Název v anglickém jazyce

Anisotropic signatures of electronic correlations in the electrical resistivity of UTe2

Popis výsledku anglicky

Multiple unconventional superconducting phases are suspected to be driven by magnetic fluctuations in the heavy-fermion paramagnet UTe2, and a challenge is to identify the signatures of the electronic correlations, including the magnetic fluctuations, in the bulk physical quantities. Here, we investigate thoroughly the anisotropy of the electrical resistivity of UTe2 under intense magnetic fields up to 70 T, for different electrical-current and magnetic-field configurations. Two characteristic temperatures and an anisotropic low-temperature Fermiliquid-like coefficient A, controlled by the electronic correlations, are extracted. Their critical behavior near the metamagnetic transition induced at mu 0Hm &apos; 35 T for H II b is characterized. Anisotropic scattering processes are evidenced and magnetic fluctuations are proposed to contribute, via a Kondo hybridization, to the electrical resistivity. Our work appeals for a microscopic modeling of the anisotropic contributions to the electrical resistivity as a milestone for understanding magnetically mediated superconductivity in UTe2.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10302 - Condensed matter physics (including formerly solid state physics, supercond.)

Projekt

<a href="/cs/project/GA22-22322S" target="_blank" >GA22-22322S: Nekonvenční supravodiče v extrémních podmínkách</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2022

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Physical Review B

ISSN

2469-9950

e-ISSN

2469-9969

Svazek periodika

106

Číslo periodika v rámci svazku

14

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

14

Strana od-do

144406

Kód UT WoS článku

000876787400004

EID výsledku v databázi Scopus

2-s2.0-85139732779