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Related papers: Hall-Lorenz ratio of YBa2Cu3O7 using Ionization en…

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The introduction of liquid 3He into silica aerogel provides us a with model system in which to study the effects of disorder on the properties of a strongly correlated Fermi liquid. The transport of heat, mass and spin exhibits cross-over…

Other Condensed Matter · Physics 2010-11-16 J. A. Sauls , Priya Sharma

We have performed both in-plane resistivity, Hall effect and specific heat measurements on the thermoelectric cobalt oxide Ca$_{3}$Co$_{4}$O$_{9}$. Four distinct transport regimes are found as a function of temperature, corresponding to a…

Strongly Correlated Electrons · Physics 2007-05-23 P. Limelette , V. Hardy , P. Auban-Senzier , D. Jerome , D. Flahaut , S. Hebert , R. Fresard , Ch. Simon , J. Noudem , A. Maignan

Measurements of low temperature transport and thermodynamic properties have been used to characterize the non-Fermi liquid state of the itinerant ferromagnet ZrZn$_2$. We observe a $T^{5/3}$ temperature dependence of the electrical…

Strongly Correlated Electrons · Physics 2012-01-31 Mike Sutherland , R. P. Smith , N. Marcano , Y. Zou , F. M. Grosche , N. Kimura , S. M. Hayden , S. Takashima , M. Nohara , H. Takagi

We present the microscopic Fermi liquid theory for magnetic properties and transport phenomena in interacting electron systems without inversion symmetry both in the normal state and in the superconducting state. Our argument is mainly…

Strongly Correlated Electrons · Physics 2009-11-11 Satoshi Fujimoto

Thermal conductivity of Sr3Ru2O7 was measured down to 40 mK and at magnetic fields through the quantum critical endpoint at H_c = 7.85 T. A peak in the electrical resistivity as a function of field was mimicked by the thermal resistivity.…

Transport mechanism in the normal state of high-$T_c$ superconductors is described using the well known Fermi-Dirac statistics in which an additional restrictive constraint is introduced so as to capture the variation of resistivity with…

Statistical Mechanics · Physics 2007-05-23 Andrew Das Arulsamy

We report an investigation of the phonon thermal Hall effect in single crystal samples of Y$_2$Ti$_2$O$_7$, Dy$_2$Ti$_2$O$_7$, and DyYTi$_2$O$_7$. We measured the field-linear thermal Hall effect in all three samples. The temperature…

Materials Science · Physics 2024-10-11 Rohit Sharma , Martin Valldor , Thomas Lorenz

We present systematic theoretical results on thermoelectric effects in semimetals based on the variational method of the linearized Boltzmann equation. Inelastic electron-hole scattering is known to play an important role in the unusual…

Strongly Correlated Electrons · Physics 2023-03-31 Keigo Takahashi , Hiroyasu Matsuura , Hideaki Maebashi , Masao Ogata

Investigations of the resistivity and the Hall effect as a function of electric field and temperature in the normal state and upper part of the superconducting transition of an optimally doped, very thin film of…

Superconductivity · Physics 2009-11-13 I. Puica , W. Lang , K. Siraj , J. D. Pedarnig , D. Bauerle

For broad oxygen and strontium doping ranges, temperature dependences (T-dependences) of the normal state resistivity \rho(T) of YBa_2Cu_3O_x (YBCO) and La_(2-x)Sr_xCuO_4 (LSCO) are calculated and compared to experiments. Holes transport…

Superconductivity · Physics 2015-06-04 Sergey V. Baryshev , Alexey I. Kapustin , Konstantin D. Tsendin

We consider the implications of a phenomenological model self-energy for the charge transport properties of the metallic phase of the overdoped cuprate superconductors. The self-energy is the sum of two terms with characteristic…

Strongly Correlated Electrons · Physics 2012-07-30 Jure Kokalj , Nigel E. Hussey , Ross H. McKenzie

We study the behaviour of the electronic chemical potential in YBa2Cu3O near the superconducting transition using the spin-wave exchange theory of pairing. We find that the experimental value of the jump in the temperature derivative of the…

Condensed Matter · Physics 2009-10-28 A. V. Dotsenko , O. P. Sushkov

Measurements of the transverse (k_{xy}) and longitudinal (k_{xx}) thermal conductivity in high magnetic fields are used to separate the quasiparticle thermal conductivity (k_{xx}^{el}) of the CuO_2-planes from the phononic thermal…

Superconductivity · Physics 2009-10-31 B. Zeini , A. Freimuth , B. Büchner , R. Gross , A. P. Kampf , M. Kläser , G. Müller-Vogt

The thermoelectric power S and the thermal conductivity k of stoichiometric and vacancy-doped CaB6 have been measured between 5 and 300 K. The thermopower of both materials is surprisingly large at room temperature. Across the whole covered…

Strongly Correlated Electrons · Physics 2007-05-23 K. Gianno' , A. V. Sologubenko , H. R. Ott , A. D. Bianchi , Z. Fisk

We calculate the thermoelectric response coefficients of three-dimensional Dirac or Weyl semimetals as a function of magnetic field, temperature, and Fermi energy. We focus in particular on the thermoelectric Hall coefficient $\alpha_{xy}$…

Strongly Correlated Electrons · Physics 2019-04-15 Vladyslav Kozii , Brian Skinner , Liang Fu

Nanostructuring has been shown to be an effective approach to reduce the lattice thermal conductivity and improve the thermoelectric figure of merit. Because the experimentally measured thermal conductivity includes contributions from both…

Materials Science · Physics 2012-05-11 K. C. Lukas , W. S. Liu , G. Joshi , M. Zebarjadi , M. S. Dresselhaus , Z. F. Ren , G. Chen , C. P. Opeil

We consider the impact of electron-electron interactions on the temperature dependence of the anomalous Hall effect in disordered conductors. The microscopic analysis is carried out within the diagrammatic approach of the linear response…

Mesoscale and Nanoscale Physics · Physics 2020-04-20 Songci Li , Alex Levchenko

The temperature dependences of the galvanomagnetic and thermoelectric transport coefficients within a generic hot-spot model are reconsidered. Despite the recent success in explaining ac Hall effect data in YBa_{2}Cu_{3}O_{7}, a general…

Superconductivity · Physics 2007-05-23 J. Paaske , D. V. Khveshchenko

In Landau's celebrated Fermi liquid theory, electrons in a metal obey the Wiedemann--Franz law at the lowest temperatures. This law states that electron heat and charge transport are linked by a constant $L_0$, i.e., the Sommerfeld value of…

Strongly Correlated Electrons · Physics 2024-11-27 Nan Zhang , Daifeng Tu , Ding Li , Kaixin Tang , Linpeng Nie , Houpu Li , Hongyu Li , Tao Qi , Tao Wu , Jianhui Zhou , Ziji Xiang , Xianhui Chen

The thermoelectric power, $S(T)$, of the heavy fermions YbT$_{2}$Zn$_{20}$ ($T$ = Fe, Ru, Os, Ir, Rh, and Co) has been measured to characterize their strong electronic correlations. A large, negative, local minimum in $S(T)$ with…

Strongly Correlated Electrons · Physics 2015-05-19 E. D. Mun , S. Jia , S. L. Bud'ko , P. C. Canfield