Magnetic Signatures of Pressure-Induced Multicomponent Superconductivity in UTe2

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F25%3A10499669" target="_blank" >RIV/00216208:11320/25:10499669 - isvavai.cz</a>
Result on the web
<a href="https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=pihkVS055j" target="_blank" >https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=pihkVS055j</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1103/PhysRevLett.134.236501" target="_blank" >10.1103/PhysRevLett.134.236501</a>

Result language
angličtina
Original language name
Magnetic Signatures of Pressure-Induced Multicomponent Superconductivity in UTe2
Original language description
The phase diagram of the heavy fermion compound UTe(2)contains multiple superconducting phases, several of which show characteristics of odd-parity pairing. We have investigated the pressure dependence of the superconducting transition in high-quality crystals of UTe(2)by tracking its signature in the magnetic susceptibility (T). A single, sharp superconducting transition is observed at low pressures < 0.3 GPa. At higher pressure, a second feature emerges in (T), which is located at the lower-temperature superconducting phase boundary previously identified in specific heat measurements. This second transition anomaly in (T) can be attributed to a step change in the London penetration depth, providing direct evidence for a change in the superconducting order parameter of UTe2. Thermodynamic constraints suggest that the low temperature, high pressure superconducting state is distinct from zero pressure superconductivity as well as from the high pressure, high temperature superconducting state, raising the possibility of multicomponent superconductivity in high pressure UTe2.
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10302 - Condensed matter physics (including formerly solid state physics, supercond.)

Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2025
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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