Theoretical Calculation for the Dip Feature in Tunnelling
Experiment on Bi2212

Chin. Phys. Lett.

2001, Vol. 18

Issue (9): 1256-1257 DOI:

Original Articles

Theoretical Calculation for the Dip Feature in Tunnelling Experiment on Bi2212

XIE Gang;HAN Ru-Shan

Mesoscopic Physics Laboratory and Department of Physics, Peking University, Beijing 100871

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XIE Gang, HAN Ru-Shan 2001 Chin. Phys. Lett. 18 1256-1257

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Abstract We generalize a model, which was presented by Norman [Phys. Rev. Lett. 79 (1997) 3506], to calculate the Bi₂Sr₂CaCu₂O_8+δ (Bi2212) single-electron tunnelling conductance. In our calculation result, the dip feature appears which has been widely observed in tunnelling experiments. It is found that this dip feature in tunnelling experiment and the dip/hump feature in angle-resolved photoemission experiment have a common physics. Moreover, it is shown from our numerical calculation method that if the spectral function A(K,ω) is known, the tunnelling conductance can be obtained.

Keywords: 74.50.+r 79.60.-i

Published: 01 September 2001

PACS:	74.50.+r	(Tunneling phenomena; Josephson effects)
	79.60.-i	(Photoemission and photoelectron spectra)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2001/V18/I9/01256

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