128 citations · 441 across the 20 of their papers we have counts for
20 papers
Size effect on the thermal conductivity of a type-I clathrate
Monika Lužnik, Günther Lientschnig, Mathieu Taupin +3
Clathrates are a materials class with an extremely low phonon thermal conductivity, which is a key ingredient for a high thermoelectric conversion efficiency. Here, we present a st…
Are Heavy Fermion Strange Metals Planckian?
Mathieu Taupin, Silke Paschen
Strange metal behavior refers to a linear temperature dependence of the electrical resistivity at temperatures below the Mott-Ioffe-Regel limit. It is seen in numerous strongly cor…
Electron-phonon heat transfer in giant vortex states
A. V. Samokhvalov, I. A. Shereshevskii, N. K. Vdovicheva +3
We examine energy relaxation of non-equilibrium quasiparticles in different vortex configurations in ``dirty'' -wave superconductors. The heat flow from the electronic subsystem…
Superconductivity in an extreme strange metal
D. H. Nguyen, A. Sidorenko, M. Taupin +4
Some of the highest-transition-temperature superconductors across various materials classes exhibit linear-in-temperature `strange metal' or `Planckian' electrical resistivities in…
Switching on surface conduction in a topological insulator
M. Taupin, G. Eguchi, M. Luznik +6
The protected surface conduction of topological insulators is in high demand for the next generation of electronic devices. What is needed to move forward are robust settings where…
Thermal conductivity of the Kondo semiconductor CeRuSn
J Hänel, M Taupin, M Ikeda +4
We report measurements of the thermal conductivity on single crystalline CeRuSn in the temperature range between 80mK and 80K, along the main crystallographic direction…
Controlling electronic topology in a strongly correlated electron system
Sami Dzsaber, Diego A. Zocco, Alix McCollam +11
Combining strong electron correlations [1-4] and nontrivial electronic topology [5] holds great promise for discovery. So far, this regime has been rarely accessed and systematic s…
Electronic structure of mesoscopic superconducting disk: Quasiparticle tunneling between the giant vortex core and disk edge
A. V. Samokhvalov, I. A. Shereshevskii, N. K. Vdovicheva +4
The electronic structure of the giant vortex states in a mesoscopic superconducting disk is studied in a dirty limit using the Usadel approach. The local density of states profiles…
Giant spontaneous Hall effect in a nonmagnetic Weyl-Kondo semimetal
Sami Dzsaber, Xinlin Yan, Mathieu Taupin +9
Nontrivial topology in condensed matter systems enriches quantum states of matter, to go beyond either the classification into metals and insulators in terms of conventional band t…
Sequential localization of a complex electron fluid
V. Martelli, A. Cai, E. M. Nica +13
Complex and correlated quantum systems with promise for new functionality often involve entwined electronic degrees of freedom. In such materials, highly unusual properties emerge…
Interplay of the inverse proximity effect and magnetic field in out-of-equilibrium single-electron devices
Shuji Nakamura, Yuri A. Pashkin, Mathieu Taupin +11
The magnetic field is shown to affect significantly non-equilibrium quasiparticle (QP) distributions under conditions of inverse proximity effect on the remarkable example of a sin…
InAs nanowire with epitaxial aluminium as a single-electron transistor with fixed tunnel barriers
M. Taupin, E. Mannila, P. Krogstrup +6
We report on fabrication of single-electron transistors using InAs nanowires with epitaxial aluminium with fixed tunnel barriers made of aluminium oxide. The devices exhibit a hard…
Quasiparticle trapping in Meissner and vortex states of mesoscopic superconductors
M. Taupin, I. M. Khaymovich, M. Meschke +2
Nowadays superconductors serve in numerous applications, from high-field magnets to ultra-sensitive detectors of radiation. Mesoscopic superconducting devices, i.e. those with nano…
Thermal conductivity through the quantum critical point in YbRh2Si2 at very low temperature
M. Taupin, G. Knebel, T. D. Matsuda +5
The thermal conductivity of YbRh2Si2 has been measured down to very low temperatures under field in the basal plane. An additional channel for heat transport appears below 30 mK, b…
Assessment of the U and Co magnetic moments in UCoGe by X-ray magnetic circular dichroism
M. Taupin, J. -P. Brison, D. Aoki +4
The ferromagnetic superconductor UCoGe has been investigated by high field X-ray magnetic circular dichroism (XMCD) at the U-M and Co/Ge-K edges. The analysis of the branch…
Superconducting Gap of UCoGe probed by Thermal Transport
M. Taupin, L. Howald, D. Aoki +1
Thermal conductivity measurements in the superconducting state of the ferromagnet UCoGe were performed at very low temperatures and under magnetic field on samples of different qua…
Multigap Superconductivity in the Ferromagnetic Superconductor UCoGe Revealed by Thermal Conductivity Measurements
Ludovic Howald, Mathieu Taupin, Dai Aoki
We performed thermal conductivity measurements on a single crystal of the ferromagnetic superconductorUCoGe under magnetic field. Two different temperature dependencies of the ther…
Existence of Anisotropic Spin Fluctuations at Low Temperature in the Normal Phase of the Superconducting Ferromagnet UCoGe
Mathieu Taupin, Ludovic Howald, Dai Aoki +2
Thermal conductivity measurements have been performed on the superconducting ferromagnet UCoGe down to very low temperature and under magnetic field. In addition to the electronic…
Quantum criticality and Lifshitz transition in the Ising system CeRu2Si2: Comparison with YbRh2Si2
A. Pourret, D. Aoki, M. Boukahil +7
New thermoelectric power (TEP) measurements on prototype heavy-fermion compounds close to magnetic quantum criticality are presented. The highly sensitive technique of TEP is an un…
Field-induced Phenomena in Ferromagnetic Superconductors UCoGe and URhGe
Dai Aoki, Mathieu Taupin, Carley Paulsen +13
We review our recent studies on ferromagnetic superconductors, UGe2, URhGe and UCoGe, where the spin-triplet state with the so-called equal spin pairing is realized. We focus on ex…