activity
20142026
most citedFirst Observation of de Haas-van Alphen Effect and Fermi Surfaces in Unconventional Superconductor UTe2

92 citations · 513 across the 24 of their papers we have counts for

collaborators
Showing cond-mat.supr-conShow all

9 papers · 1 filter

cond-mat.supr-con2024★ 8 cited

Reinforcement of superconductivity by quantum critical fluctuations of metamagnetism in UTe

Y. Tokiwa, . P. Opletal, H. Sakai +8

The normal-conducting state of the superconductor UTe is studied by entropy analysis for magnetic fields along the -axis, obtained from magnetization using the relation $(\p…

cond-mat.supr-con2023★ 23 cited

Longitudinal spin fluctuations driving field-reinforced superconductivity in UTe

Yo Tokunaga, Hironori Sakai, Shinsaku Kambe +10

Our measurements of Te NMR relaxations reveal an enhancement of electronic spin fluctuations above T, leading to their divergence in the vicinity of the meta…

cond-mat.supr-con2023★ 45 cited

Fully gapped pairing state in spin-triplet superconductor UTe

S. Suetsugu, M. Shimomura, M. Kamimura +14

Spin-triplet superconductors provide an ideal platform for realizing topological superconductivity with emergent Majorana quasiparticles. The promising candidate is the recently di…

cond-mat.supr-con2023★ 56 cited

Quasi-2D Fermi surface in the anomalous superconductor UTe2

A. G. Eaton, T. I. Weinberger, N. J. M. Popiel +16

The heavy fermion paramagnet UTe exhibits numerous characteristics of spin-triplet superconductivity. Efforts to understand the microscopic details of this exotic superconducti…

cond-mat.supr-con2023★ 11 cited

Anisotropic Enhancement of Lower Critical Field in Ultraclean Crystals of Spin-Triplet Superconductor UTe2

K. Ishihara, M. Kobayashi, K. Imamura +7

The paramagnetic spin-triplet superconductor UTe has attracted significant attention because of its exotic superconducting properties including an extremely high upper critical…

cond-mat.supr-con2022★ 4 cited

Self-reconstruction of order parameter in spin-triplet superconductor UTe

Y. Tokiwa, P. Opletal, H. Sakai +10

We investigate the effect of easy-axis metamagnetic crossover on superconductivity in UTe along the -axis through measurements of AC susceptibility, magnetization, and the m…

cond-mat.supr-con2022★ 41 cited

Field Induced Multiple Superconducting Phases in UTe2 along Hard Magnetic Axis

H. Sakai, Y. Tokiwa, P. Opletal +7

The superconducting (SC) phase diagram in uranium ditelluride is explored under magnetic fields () along the hard magnetic b-axis using a high-quality single crystal with $T_{\r…

cond-mat.supr-con2021★ 39 cited

Effect of uranium deficiency on normal and superconducting properties in unconventional superconductor UTe

Y. Haga, P. Opletal, Y. Tokiwa +4

Single crystals of the unconventional superconductor UTe have been grown in various conditions which result in different superconducting transition temperature as well as norma…

cond-mat.supr-con2021★ 66 cited

Chiral superconductivity in UTe2 probed by anisotropic low-energy excitations

K. Ishihara, M. Roppongi, M. Kobayashi +5

Chiral spin-triplet superconductivity is a topologically nontrivial pairing state with broken time-reversal symmetry, which can host Majorana quasiparticles. The recently discovere…