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Related papers: Is Sr2RuO4 a triplet superconductor?

200 papers

The heavy quarks constitutes a unique probe of the quark-gluon plasma properties. Both at RHIC and LHC energies a puzzling relation between the nuclear modification factor $R_{AA}(p_T)$ and the elliptic flow $v_2(p_T)$ has been observed…

Nuclear Theory · Physics 2015-06-11 Santosh K. Das , Francesco Scardina , Salvatore Plumari , Vincenzo Greco

The shape evolutions of the pear-shaped nuclei $^{224}$Ra and even-even $^{144-154}$Ba with temperature are investigated by the finite-temperature relativistic mean field theory with the treatment of pairing correlations by the BCS…

Nuclear Theory · Physics 2017-11-15 Wei Zhang , Yi Fei Niu

We have analyzed heat capacity and thermal conductivity measurements of Sr2RuO4 in the normal and superconducting state and come to the conclusion that an order parameter with nodal lines on the Fermi surface is required to account for the…

Superconductivity · Physics 2011-04-08 M. J. Graf , A. V. Balatsky

We report the results of low temperature transport, specific heat and magnetisation measurements on high quality single crystals of the bilayer perovskite Sr3Ru2O7, which is a close relative of the unconventional superconductor Sr2RuO4.…

The superconducting gap function of Sr$_2$RuO$_4$ was investigated by means of quasiparticle reflection and transmission at the normal conductor-superconductor interface of Sr$_2$RuO$_4$-Pt point contacts. We found two distinguishly…

Superconductivity · Physics 2009-10-31 F. Laube , G. Goll , H. v. Löhneysen , M. Fogelström , F. Lichtenberg

The magnetic susceptibility and specific heat of the one-dimensional S=1 bilinear-biquadratic Heisenberg model are calculated using the transfer matrix renormalization group. By comparing the results with the experimental data of ${\rm…

Strongly Correlated Electrons · Physics 2009-10-31 Jizhong Lou , Tao Xiang , Zhaobin Su

Superconducting properties of the polycrystalline Zr2Ru3Si4 were investigated by the electrical resistivity, magnetization and specific heat. By these measurements, bulk superconductivity with transition temperature Tc = 5.5 K was…

Superconductivity · Physics 2014-01-09 Soshi Ibuka , Motoharu Imai , Takashi Naka , Mitsuaki Nishio

The monoclinic double-perovskite Sr2YRuO6 has recently gained a renewed interest in order to get a deeper insight into the exotic magnetic ground states associated with geometric frustration. Striking discrepancies between the spin order…

Materials Science · Physics 2016-04-19 P. L. Bernardo , L. Ghivelder , H. S. Amorim , J. J. Neumeier , S. Garcia

In extended Heisenberg-Kitaev-Gamma-type spin models, hidden-SU(2)-symmetric points are isolated points in parameter space that can be mapped to pure Heisenberg models via nontrivial duality transformations. Such points generically feature…

Strongly Correlated Electrons · Physics 2023-10-11 Wilhelm G. F. Krüger , Wenjie Chen , Xianghong Jin , Yuan Li , Lukas Janssen

A method for measurements of small (metallic) Ettingshausen coefficient (P) was developed. The influence of the dominating thermal effects, the Joule and Thomson heats, was eliminated making use of the odd symmetry of the Ettingshausen…

Superconductivity · Physics 2009-10-31 T. Plackowski , M. Matusiak

The magnetocaloric effect or "magnetic Gr\"uneisen ratio" $\Gamma_H=T^{-1}(dT/dH)_S$ quantifies the cooling or heating of a material when an applied magnetic field is changed under adiabatic conditions. Recently this property has attracted…

Strongly Correlated Electrons · Physics 2013-06-25 Yoshi Tokiwa , Philipp Gegenwart

We report the results of a combined study of the normal state resistivity and superconducting transition temperature $T_c$ of the unconventional superconductor Sr$_2$RuO$_4$ under uniaxial pressure. There is strong evidence that as well as…

Strongly Correlated Electrons · Physics 2018-02-21 Mark E. Barber , Alexandra S. Gibbs , Yoshiteru Maeno , Andrew P. Mackenzie , Clifford W. Hicks

We use high-resolution capacitive dilatometry to study the low-temperature linear magnetostriction of the bilayer ruthenate Sr$_3$Ru$_2$O$_7$ as a function of magnetic field applied perpendicular to the ruthenium-oxide planes ($B\parallel…

Strongly Correlated Electrons · Physics 2015-10-28 C. Stingl , R. S. Perry , Y. Maeno , P. Gegenwart

We study a truncation of four-dimensional maximal gauged supergravity that provides a realization of the minimal model of a holographic superconductor. We find various flow solutions in this truncation at zero and finite temperature with a…

High Energy Physics - Theory · Physics 2013-02-19 Nikolay Bobev , Arnab Kundu , Krzysztof Pilch , Nicholas P. Warner

The possible superconducting states of strontium ruthenate (Sr$_2$RuO$_4$) are organized into irreducible representations of the point group $D_{4h}$, with a special emphasis on nodes occurring within the superconducting gap. Our analysis…

Superconductivity · Physics 2019-12-25 S. -O. Kaba , D. Sénéchal

We calculate the Hall conductivity for a spin-triplet superconductor, using a generalized pairing symmetry dependent on an arbitrary phase, $\vphi$. A promising candidate for such an order parameter is Sr$_{2}$RuO$_{4}$, whose…

Superconductivity · Physics 2015-05-13 Wonkee Kim , F. Marsiglio , C. S. Ting

We show that in Sr2RuO4 the Fermi surface geometry as inferred from angle resolved photoemission experiments has important implications for a pairing interaction dominated by incommensurate, strongly anisotropic, spin fluctuations. For a…

Superconductivity · Physics 2009-11-07 M. Eschrig , J. Ferrer , M. Fogelstrom

We present a study of the electronic ultrasound attenuation $\alpha$ in the unconventional superconductor Sr$_2$RuO$_4$ . The power law behavior of $\alpha$ at temperatures down to $T_c/30$ clearly indicates the presence of nodes in the…

Superconductivity · Physics 2009-11-07 C. Lupien , W. A. MacFarlane , Cyril Proust , Louis Taillefer , Z. Q. Mao , Y. Maeno

The temperature and magnetic field dependences of the electronic specific heat in the superconducting mixed state as well as the upper critical field have been measured on a (Y,Lu)Ni2B2C series to study the influence of disorder. The…

In this study, we perform a numerical simulation on the recently discovered high-temperature superconductor ($T_c$= 73K) Ba$_2$CuO$_{3.2}$ \cite{lietal} while focusing on doping dependence of alternating CuO$_6$ octahedra and CuO chain-like…

Superconductivity · Physics 2024-01-18 Priyo Adhikary , Mayank Gupta , B. R. K. Nanda , Shantanu Mukherjee