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Small Fermi pockets intertwined with charge stripes and pair density wave order in a kagome superconductor
Hong Li, Dongjin Oh, Mingu Kang +13
The kagome superconductor family AV3Sb5 (A=Cs, K, Rb) emerged as an exciting platform to study exotic Fermi surface instabilities. Here we use spectroscopic-imaging scanning tunnel…
Observation of the topological Dirac fermions and surface states in superconducting BaSn3
K. Huang, A. Y. Luo, C. Chen +15
The interplay between topological electronic structure and superconductivity has attracted tremendous research interests recently as they could induce topological superconductivity…
Three interaction energy scales in single-layer high-T cuprate HgBaCuO
S. A. Sreedhar, Antonio Rossi, J. Nayak +10
The lamellar cuprate superconductors exhibit the highest ambient-pressure superconducting transition temperatures (T) and, after more than three decades of extraordinary resear…
Uniaxial "nematic-like" electronic structure and Fermi surface of untwinned CaFe2As2
Qiang Wang, Zhe Sun, Eli Rotenberg +8
Obtaining the electronic structure of the newly discovered iron-based superconductors is the key to understanding the mechanism of their high-temperature superconductivity. We used…
Loss of nodal quasiparticle integrity in underdoped YBa2Cu3O6+x
D. Fournier, G. Levy, Y. Pennec +8
Arguably the most intriguing aspect of the physics of cuprates is the close proximity between the record high-Tc superconductivity (HTSC) and the antiferromagnetic charge-transfer…
Energy-dependent scaling of incoherent spectral weight and the origin of the waterfalls in high-Tc cuprates
Qiang Wang, Zhe Sun, Eli Rotenberg +4
The exotic physics in condensed matter systems, such as high-Tc superconductivity in cuprates, is due to the properties of the elementary excitations and their interactions. The di…