Fate of Quasiparticles at High Temperature in the Correlated Metal <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mrow><mml:msub><mml:mrow><mml:mi>Sr</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:mrow><mml:mrow><mml:msub><mml:mrow><mml:mi>RuO</mml:mi></mml:mrow><mml:mrow><mml:mn>4</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:mrow></mml:math>
Abigail Hunter, Sophie Beck, E. Cappelli, Florian Margot, M. Straub, Y. Alexanian, G. Gatti, Matthew D. Watson, T. K. Kim, Céphise Cacho, N. C. Plumb, M. Shi, M. Radović, D. A. Sokolov, A. P. Mackenzie, Manuel Zingl, Jernej Mravlje, Antoine Georges, F. Baumberger, A. Tamai
Abstract
An analysis of ARPES data from Sr${}_{2}$RuO${}_{4}$ shows that quasiparticles in a correlated metal vanish with increasing temperature by dissolving into the incoherent background because of excessive broadening arising from super-Planckian scattering.
Topics & Concepts
QuasiparticleAngle-resolved photoemission spectroscopyScatteringPhysicsMetalDissolutionMaterials scienceCondensed matter physicsElectronic structureChemistryPhysical chemistrySuperconductivityQuantum mechanicsMetallurgyAdvanced Condensed Matter PhysicsMagnetic and transport properties of perovskites and related materialsIron-based superconductors research