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6 papers · 2 filters
Evolution of the electronic excitation spectrum with strongly diminishing hole-density in superconducting Bi_{2}Sr_{2}CaCu_{2}O_{8+δ}
J. W. Alldredge, Jinho Lee, K. McElroy +8
A complete knowledge of its excitation spectrum could greatly benefit efforts to understand the unusual form of superconductivity occurring in the lightly hole-doped copper-oxides.…
Bogoliubov angle and visualization of particle-hole mixture in superconductors
K. Fujita, Ilya Grigorenko, J. Lee +6
Superconducting excitations --Bogoliubov quasiparticles -- are the quantum mechanical mixture of negatively charged electron (-e) and positively charged hole (+e). Depending on the…
Violation of the London Law and Onsager-Feynman quantization in multicomponent superconductors
Egor Babaev, N. W. Ashcroft
Non-classical response to rotation is a hallmark of quantum ordered states such as superconductors and superfluids. The rotational responses of all currently known single-component…
Superconducting gap variations induced by structural supermodulation in BSCCO
Brian M. Andersen, P. J. Hirschfeld, James A. Slezak
We discuss the possibility that the strain field introduced by the structural supermodulation in Bi-2212 and certain other cuprate materials may modulate the superconducting pairin…
An Intrinsic Bond-Centered Electronic Glass with Unidirectional Domains in Underdoped Cuprates
Y. Kohsaka, C. Taylor, K. Fujita +9
Removing electrons from the CuO2 plane of cuprates alters the electronic correlations sufficiently to produce high-temperature superconductivity. Associated with these changes are…
Dipole-induced vortex ratchets in superconducting films with arrays of micromagnets
C. C. de Souza Silva, A. V. Silhanek, J. Van de Vondel +4
We investigate the transport properties of superconducting films with periodic arrays of in-plane magnetized micromagnets. Two different magnetic textures are studied: a square arr…