Possible Quadrupole Density Wave in the Superconducting Kondo Lattice <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi>CeRh</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>As</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math>
D. Hafner, P. Khanenko, Evrard-Ouicem Eljaouhari, R. Küchler, Jacintha Banda, N. Bannor, Thomas Lühmann, J. F. Landaeta, S. Mishra, I. Sheikin, Elena Hassinger, Seunghyun Khim, C. Geibel, Gertrud Zwicknagl, M. Brando
Abstract
Experiments show that the unconventional superconductor CeRh${}_{2}$As${}_{2}$ may host a ``quadrupole density wave''---a theorized complex ordering pattern among free electrons that has not yet been observed.
Topics & Concepts
SuperconductivityQuadrupoleLattice (music)PhysicsCondensed matter physicsQuantum mechanicsAcousticsRare-earth and actinide compoundsIron-based superconductors researchInorganic Chemistry and Materials