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Related papers: Field angle-dependent thermal conductivity in noda…

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We show that the density of states and the thermodynamic properties of a 2D d-wave superconductor in the vortex state with applied magnetic field $\bf H$ in the plane depend on the angle between $\bf H$ and the order parameter nodes. Within…

Superconductivity · Physics 2009-10-31 I. Vekhter , P. J. Hirschfeld , J. P. Carbotte , E. J. Nicol

How to determine the symmetry of the superconducting order parameter is one of the important issues in novel superconductors, which include charge conjugated organic superconductors. We have proposed that the angular dependence of the…

Superconductivity · Physics 2007-05-23 H. Won , K. Maki

We present polar Kerr effect measurements of the filled skutterudite superconductor PrOs$_4$Sb$_{12}$. Simultaneous AC susceptibility measurements allow us to observe the superconducting transition under the influence of heating from the…

Superconductivity · Physics 2018-05-09 E. M. Levenson-Falk , E. R. Schemm , Y. Aoki , M. B. Maple , Aharon Kapitulnik

Orientational field-dependence of the zero energy density of states (ZEDOS) is calculated for superconductors with the polar state (line node), axial state (point node) and 3D d-wave state. Depending on the gap topology and relative field…

Superconductivity · Physics 2007-05-23 P. Miranovic , N. Nakai , M. Ichioka , K. Machida

We study the field dependence of the quasi-particle density of states, the thermodynamics and the transport properties in the vortex state of d-wave superconductors when a magnetic field is applied perpendicular to the conducting plane,…

Superconductivity · Physics 2009-10-31 H. Won , K. Maki

Field-angle dependent specific heat measurement has been done on the heavy-fermion superconductor CeCoIn5 down to ~ 0.29 K, in a magnetic field rotating in the tetragonal c-plane. A clear fourfold angular oscillation is observed in the…

Strongly Correlated Electrons · Physics 2009-11-10 H. Aoki , T. Sakakibara , H. Shishido , R. Settai , Y. Onuki , P. Miranovic , K. Machida

We propose a model of nodal order parameters for the superconducting A and B - phase of skutterudite PrOs_4Sb_{12} and discuss the associated angular dependent magnetothermal conductivity at low temperatures. The model for the hybrid gap…

Superconductivity · Physics 2009-11-07 K. Maki , H. Won , P. Thalmeier , Q. Yuan , K. Izawa , Y. Matsuda

Here we consider the universal heat conduction and the angular dependent thermal conductivity in the vortex state for a few nodal superconductors. We present the thermal conductivity as a function of impurity concentration and the angular…

Superconductivity · Physics 2009-11-10 H. Won , K. Maki

We analyse the behavior of the thermal conductivity, $\kappa(H)$, in the vortex state of a quasi-two-dimensional d-wave superconductor when both the heat current and the applied magnetic field are in the basal plane. At low temperature the…

Superconductivity · Physics 2009-10-31 I. Vekhter , P. J. Hirschfeld

The temperature, field, and field-orientation dependences of the electronic specific heat Ce of the ironpnictide superconductor KFe2As2 have been investigated. Thermodynamic evidence of the presence of line nodes is obtained from the T and…

Field-angle-resolved specific-heat measurements were performed on a clean single crystal of a spin-triplet superconductor UTe$_2$ with $T_{\rm c}=2.1$ K and a low residual electronic specific heat. At low temperatures, the specific heat…

We investigate the field-angle-dependent zero-energy density of states for YNi2B2C with using realistic Fermi surfaces obtained by band calculations. Both the 17th and 18th bands are taken into account. For calculating the oscillating…

Superconductivity · Physics 2009-11-13 Yuki Nagai , Nobuhiko Hayashi , Yusuke Kato , Kunihiko Yamauchi , Hisatomo Harima

The influence of a rotating magnetic field (in the $ab-$plane) on the density of states has been investigated in the superconducting state of the nematic FeSe superconductor using high sensitivity specific heat measurements. As expected for…

Superconductivity · Physics 2024-06-25 H. Cercellier , K. Olson , M. Schuchard , P. Toulemonde , A. -A. Haghighirad , C. Marcenat , T. Klein

We investigated the magnetic phase diagram of the first Pr-based heavy fermion superconductor PrOs4Sb12 by means of high-resolution dc magnetization measurements in low temperatures down to 0.06K. The temperature dependence of the…

Superconductivity · Physics 2009-11-10 T. Tayama , T. Sakakibara , H. Sugawara , Y. Aoki , H. Sato

The structure of the superconducting order parameter in the iron-pnictide superconductor BaFe$_2$(As$_{0.67}$P$_{0.33}$)$_2$ ($T_c=31$\,K) with line nodes is studied by the angle-resolved thermal conductivity measurements in a magnetic…

Since the discovery of high-Tc LaO_1-xF_xFeAs, and other such systems based on FeAs layers, several proposals have been made for the superconducting order parameter Delta_k, on both phenomenological and microscopic grounds. Here we discuss…

Superconductivity · Physics 2008-05-30 S. Graser , G. R. Boyd , Chao Cao , Hai-Ping Cheng , P. J. Hirschfeld , D. J. Scalapino

The field-angle dependent specific heat and thermal conductivity in the vortex phase of UPd_2Al_3 is studied using the Doppler shift approximation for the low energy quasiparticle excitations. We first give a concise presentation of the…

Superconductivity · Physics 2018-02-02 P. Thalmeier , T. Watanabe , K. Izawa , Y. Matsuda

We develop a fully microscopic theory for the calculations of the angle-dependent properties of unconventional superconductors under a rotated magnetic field. We employ the quasiclassical Eilenberger equations, and use a variation of the…

Superconductivity · Physics 2009-11-13 A. Vorontsov , I. Vekhter

The density of states of a 2D d-wave superconductor in the vortex state with applied magnetic field $\bf H$ in the plane is shown to exhibit fourfold oscillations as a function of the angle of the field with respect to the crystal axes. We…

Superconductivity · Physics 2007-05-23 I. Vekhter , P. J. Hirschfeld , J. P. Carbotte , E. J. Nicol

There is mounting evidence for triplet superconductivity in the recently discovered skutterudite compound PrOs_4Sb_12. In this work, we propose nodal order parameters for the A- and B-phases of this superconductor which are consistent with…

Superconductivity · Physics 2009-11-10 Kazumi Maki , Stephan Haas , David Parker , Hyekyung Won , K. Izawa , Y. Matsuda
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