Advances in Condensed Matter Physics / 2010 / Article / Fig 2

Review Article

Bosonic Spectral Function and the Electron-Phonon Interaction in HTSC Cuprates

Figure 2

Magnetic spectral function I m πœ’ ( βˆ’ ) ( 𝐀 , πœ” ) in the normal state of Y B a 2 C u 3 O 6 + π‘₯ at 𝑇 = 1 0 0 K and at 𝑄 = ( πœ‹ , πœ‹ ) . 1 0 0 counts in the vertical scale correspond to πœ’ ( βˆ’ ) m a x β‰ˆ 3 5 0 πœ‡ 2 𝐡 / e V . The superconducting critical temperature 𝑇 𝑐 ( π‘₯ ) by increasing doping ( π‘₯ ) from the underdoped system with π‘₯ = 0 . 5 (top) to the optimally doped one with π‘₯ = 0 . 9 7 (bottom): 𝑇 𝑐 ( π‘₯ ) = 4 5 K ( π‘₯ = 0 . 5 ), 8 5 K ( π‘₯ = 0 . 8 3 ), 9 1 K ( π‘₯ = 0 . 9 2 ), and 9 2 . 5 K ( π‘₯ = 0 . 9 7 ). From [30].
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