Spin dynamics in high-TC superconductors
Ph. Bourges, Y. Sidis, H. F. Fong, B. Keimer, L. P. Regnault, J. Bossy, A. S. Ivanov, D. L. Milius, I. A. Aksay
Abstract
Key features of antiferromagnetic dynamical correlations in high-TC superconductors cuprates are discussed. In underdoped regime, the sharp resonance peak, occuring exclusively in the SC state, is accompanied by a broader contribution located around 30 meV which remains above TC. Their interplay may induce incommensurate structure in the superconducting state.
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