Hall Anomaly in the Superconducting State of High- Tc Cuprates: Universality in Doping Dependence

Tatsuji Nagaoka; Yuji Matsuda; Haruhiko Obara; Akihito Sawa; Takahito Terashima; Iksu Chong; Mikio Takano; Minoru Suzuki

doi:10.1103/PhysRevLett.80.3594

Hall Anomaly in the Superconducting State of High- Tc Cuprates: Universality in Doping Dependence

Tatsuji Nagaoka, Yuji Matsuda, Haruhiko Obara, Akihito Sawa, Takahito Terashima, Iksu Chong, Mikio Takano, Minoru Suzuki

DOI 10.1103/PhysRevLett.80.3594 · Physical Review Letters

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Abstract

We have measured the flux flow Hall effect in the superconducting state of various high- Tc superconductors (HTSC) from the underdoped to the overdoped regime. We show that the Hall sign is universal and is determined by the doping level; the sign is electronlike in the underdoped regime and holelike in the overdoped regime. This tendency contradicts the prediction of the time dependent Ginzburg-Landau equation based on the s-wave weak coupling theory, suggesting that such a theory fails to evaluate the Hall force acting on the vortices in HTSC. This discrepancy may be attributed to the novel electronic structure of the vortex in HTSC.

Source-reported materials — not catalogue approval

Formula	Reported Tc (K)	Pressure (GPa)	Type
La2-xSrxCuO4 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	26	Pressure not reported	unknown
La2-xSrxCuO4 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	33.3	Pressure not reported	unknown
La2-xSrxCuO4 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	29.6	Pressure not reported	unknown
La2-xSrxCuO4 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	18.6	Pressure not reported	unknown
La2-xSrxCuO4 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	9.5	Pressure not reported	unknown
YBa2Cu3O7-δ Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	90.3	Pressure not reported	unknown
Y1-xCaxBa2Cu3Oy Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	80.1	Pressure not reported	unknown
Y1-xCaxBa2Cu3Oy Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	65	Pressure not reported	unknown
Y1-xCaxBa2Cu3Oy Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	62.1	Pressure not reported	unknown
Bi1.80Pb0.38Sr2.01CuO6-δ Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	21.1	Pressure not reported	unknown
Bi1.80Pb0.38Sr2.01CuO6-δ Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	20	Pressure not reported	unknown
Bi1.80Pb0.38Sr2.01CuO6-δ Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	6	Pressure not reported	unknown