6.6k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
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178 papers · 1 filter
Reducing the impact of radioactivity on quantum circuits in a deep-underground facility
Laura Cardani, Francesco Valenti, Nicola Casali +20
As quantum coherence times of superconducting circuits have increased from nanoseconds to hundreds of microseconds, they are currently one of the leading platforms for quantum info…
The paraconductivity of granular Al-films at high reduced temperatures and magnetic fields
D. Sóñora, C. Carballeira, J. J. Ponte +3
The electrical conductivity induced near the superconducting transition by thermal fluctuations was measured in different granular aluminum films. The seemingly anomalous behavior…
Single-gap superconductivity in MoGa
M. Marcin, J. Kačmarčík, Z. Pribulová +9
In this paper, potential two-gap superconductivity in MoGa is addressed in detail by means of thermodynamic and spectroscopic measurements. Combination of highly sensiti…
Anisotropy of the Seebeck Coefficient in the Cuprate Superconductor YBaCuO: Fermi-Surface Reconstruction by Bidirectional Charge Order
O. Cyr-Choinière, S. Badoux, G. Grissonnanche +11
The Seebeck coefficient of the cuprate YBaCuO was measured in magnetic fields large enough to suppress superconductivity, at hole dopings and $p =…
Magnetic and thermodynamic properties of CuTiSe single crystals
Z. Pribulová, Z. Medvecká, J. Kačmarčík +14
We present a detailed study of the phase diagram of copper intercalated TiSe single crystals, combining local Hall-probe magnetometry, tunnel diode oscillator technique (TDO),…
Granular superconductivity and magnetic-field-driven recovery of macroscopic coherence in a cuprate/manganite multilayer
B. P. P. Mallett, J. Khmaladze, P. Marsik +6
We show that in PrLaCaMnO/YBaCuO (PLCMO/YBCO) multilayers the low temperature state of YBCO is very resistive and rese…
Critical Doping for the Onset of Fermi-Surface Reconstruction by Charge-Density-Wave Order in the Cuprate Superconductor LaSrCuO
S. Badoux, S. A. A. Afshar, B. Michon +11
The Seebeck coefficient of the cuprate superconductor LaSrCuO (LSCO) was measured in magnetic fields large enough to access the normal state at low temp…
Kerr coefficients of plasma resonances in Josephson junction chains
Thomas Weißl, Bruno Küng, Étienne Dumur +6
We present an experimental and theoretical analysis of the self- and cross-Kerr effect of extended plasma resonances in Josephson junction chains. We calculate the Kerr coefficient…
Magnetic and superconducting phase diagram of the half-Heusler topological semimetal HoPdBi
A. M. Nikitin, Y. Pan, X. Mao +7
We report a study of the magnetic and electronic properties of the non-centrosymmetric half-Heusler antiferromagnet HoPdBi ( K). Magnetotransport measurements show HoPdB…
High field termination of a Cooper-pair insulator
B. Sacepe, J. Seidemann, M. Ovadia +5
We conducted a systematic study of the disorder dependence of the termination of superconductivity, at high magnetic fields (B), of amorphous indium oxide films. Our lower disorder…
Wiedemann-Franz law in the underdoped cuprate superconductor YBa2Cu3Oy
G. Grissonnanche, F. Laliberte, S. Dufour-Beausejour +16
The recent detection of charge-density modulations in YBa2Cu3Oy and other cuprate superconductors raises new questions about the normal state of underdoped cuprates. In one class o…
Effect of disorder on the pressure-induced superconducting state of CeAu2Si2
Z. Ren, G. Giriat, G. W. Scheerer +2
CeAu2Si2 is a newly discovered pressure-induced heavy fermion superconductor which shows very unusual interplay between superconductivity and magnetism under pressure. Here we comp…
Anisotropic neutron spin resonance in underdoped superconducting NaFe1-xCoxAs
Chenglin Zhang, Yu Song, L. P. Regnault +8
We use polarized inelastic neutron scattering (INS) to study spin excitations in superconducting NaFe0.985Co0.015As (C15) with static antiferromagnetic (AF) order along the a-axis…
Multiple nodeless superconducting gaps in optimally-doped SrTiNbO
Xiao Lin, Adrien Gourgout, German Bridoux +5
We present the first study of thermal conductivity in superconducting SrTiNbO, sufficiently doped to be near its maximum critical temperature. The bulk critical…
Evidence of Andreev bound states as a hallmark of the FFLO phase in -(BEDT-TTF)Cu(NCS)
H. Mayaffre, S. Kramer, M. Horvatić +4
Superconductivity is a quantum phenomena arising, in its simplest form, from pairing of fermions with opposite spin into a state with zero net momentum. Whether superconductivity c…
Switching of magnetic domains reveals evidence for spatially inhomogeneous superconductivity
Simon Gerber, Marek Bartkowiak, Jorge L. Gavilano +8
The interplay of magnetic and charge fluctuations can lead to quantum phases with exceptional electronic properties. A case in point is magnetically-driven superconductivity, where…
Dynamical local lattice instabilitiy triggered high tc superconductivity
Julius Ranninger
High cuprate superconductors are characterized by two robust features: their strong electronic correlations and their intrinsic dynamical local lattice instabilities. Focusin…
Short-range cluster spin glass near optimal superconductivity in BaFeNiAs
Xingye Lu, David W. Tam, Chenglin Zhang +9
High-temperature superconductivity in iron pnictides occurs when electrons are doped into their antiferromagnetic (AF) parent compounds. In addition to inducing superconductivity,…
Fermi-surface topology of the iron pnictide LaFeP
S. Blackburn, B. Prévost, M. Bartkowiak +12
We report on a comprehensive de Haas--van Alphen (dHvA) study of the iron pnictide LaFeP. Our extensive density-functional band-structure calculations can well explain the…
Magnetic field distribution and characteristic fields of the vortex lattice for a clean superconducting niobium sample in an external field applied along a three-fold axis
A. Yaouanc, A. Maisuradze, N. Nakai +9
The field distribution in the vortex lattice of a pure niobium single crystal with an external field applied along a three-fold axis has been investigated by the transverse-field m…
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…
Long-ranged magnetic proximity effects in noble metal-doped cobalt probed with spin- dependent tunnelling
Mihai S. Gabureac, Donald A. Mac Laren, Hervé Courtois +1
We inserted non-magnetic layers of Au and Cu into sputtered AlOx-based magnetic tunnel junctions and Meservey-Tedrow junctions in order to study their effect on tunnelling magnetor…
Superconducting cascade electron refrigerator
Maria Camarasa-Gomez, Angelo Di Marco, Frank W. J. Hekking +3
The design and operation of an electronic cooler based on a combination of superconducting tunnel junctions is described. The cascade extraction of hot-quasiparticles, which stems…
Incipient charge order observed by NMR in the normal state of YBa2Cu3Oy
T. Wu, H. Mayaffre, S. Krämer +6
The pseudogap regime of high-temperature cuprates harbours diverse manifestations of electronic ordering whose exact nature and universality remain debated. Here, we show that the…