Ambipolar Nernst Effect in [Formula presented]

Romain Bel; Kamran Behnia; Helmuth Berger

doi:10.1103/PhysRevLett.91.066602

Ambipolar Nernst Effect in [Formula presented]

Romain Bel, Kamran Behnia, Helmuth Berger

Research output: Contribution to journal › Article › peer-review

Abstract

The first study of the Nernst effect in [Formula presented] reveals a large quasiparticle contribution with a magnitude comparable and a sign opposite to the vortex signal. Comparing the effect of the charge density wave (CDW) transition on Hall and Nernst coefficients, we argue that this large Nernst signal originates from the thermally induced counterflow of electrons and holes and indicates a drastic change in the electron scattering rate in the CDW state. The results provide new input for the debate on the origin of the anomalous Nernst signal in high-[Formula presented] cuprates.

Original language	English
Journal	Physical Review Letters
Volume	91
Issue number	6
DOIs	https://doi.org/10.1103/PhysRevLett.91.066602
Publication status	Published - 5 Aug 2003
Externally published	Yes

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title = "Ambipolar Nernst Effect in [Formula presented] ",

abstract = "The first study of the Nernst effect in [Formula presented] reveals a large quasiparticle contribution with a magnitude comparable and a sign opposite to the vortex signal. Comparing the effect of the charge density wave (CDW) transition on Hall and Nernst coefficients, we argue that this large Nernst signal originates from the thermally induced counterflow of electrons and holes and indicates a drastic change in the electron scattering rate in the CDW state. The results provide new input for the debate on the origin of the anomalous Nernst signal in high-[Formula presented] cuprates.",

author = "Romain Bel and Kamran Behnia and Helmuth Berger",

year = "2003",

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AU - Behnia, Kamran

AU - Berger, Helmuth

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N2 - The first study of the Nernst effect in [Formula presented] reveals a large quasiparticle contribution with a magnitude comparable and a sign opposite to the vortex signal. Comparing the effect of the charge density wave (CDW) transition on Hall and Nernst coefficients, we argue that this large Nernst signal originates from the thermally induced counterflow of electrons and holes and indicates a drastic change in the electron scattering rate in the CDW state. The results provide new input for the debate on the origin of the anomalous Nernst signal in high-[Formula presented] cuprates.

AB - The first study of the Nernst effect in [Formula presented] reveals a large quasiparticle contribution with a magnitude comparable and a sign opposite to the vortex signal. Comparing the effect of the charge density wave (CDW) transition on Hall and Nernst coefficients, we argue that this large Nernst signal originates from the thermally induced counterflow of electrons and holes and indicates a drastic change in the electron scattering rate in the CDW state. The results provide new input for the debate on the origin of the anomalous Nernst signal in high-[Formula presented] cuprates.

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DO - 10.1103/PhysRevLett.91.066602

M3 - Article

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SN - 0031-9007

VL - 91

JO - Physical Review Letters

JF - Physical Review Letters

IS - 6

ER -

Ambipolar Nernst Effect in [Formula presented]

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