Photoemission spectroscopy of the strong-coupling superconducting transitions in lead and niobium

A. Chainani; T. Yokoya; T. Kiss; S. Shin

doi:10.1103/PhysRevLett.85.1966

Photoemission spectroscopy of the strong-coupling superconducting transitions in lead and niobium

A. Chainani, T. Yokoya, T. Kiss, S. Shin

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

54 Citations (Scopus)

Abstract

We study the changes in the electronic structure associated with low-T_c strong-coupling superconducting transitions in Pb and Nb using ultrahigh-resolution (2.3 meV) temperature-dependent (5.3-12.0 K) photoemission spectroscopy. We observe peaks in the density of states on entering the superconducting-phase accompanying gap formation and spectacular redistribution of spectral weight at low energy scales as a function of temperature. The well-known peak-dip feature of the high-T_c cuprates is seen in Pb, making it a characteristic of strong-coupling superconductivity.

Original language	English
Pages (from-to)	1966-1969
Number of pages	4
Journal	Physical Review Letters
Volume	85
Issue number	9
DOIs	https://doi.org/10.1103/PhysRevLett.85.1966
Publication status	Published - 2000
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy(all)

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AU - Chainani, A.

AU - Yokoya, T.

AU - Kiss, T.

AU - Shin, S.

PY - 2000

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N2 - We study the changes in the electronic structure associated with low-Tc strong-coupling superconducting transitions in Pb and Nb using ultrahigh-resolution (2.3 meV) temperature-dependent (5.3-12.0 K) photoemission spectroscopy. We observe peaks in the density of states on entering the superconducting-phase accompanying gap formation and spectacular redistribution of spectral weight at low energy scales as a function of temperature. The well-known peak-dip feature of the high-Tc cuprates is seen in Pb, making it a characteristic of strong-coupling superconductivity.

AB - We study the changes in the electronic structure associated with low-Tc strong-coupling superconducting transitions in Pb and Nb using ultrahigh-resolution (2.3 meV) temperature-dependent (5.3-12.0 K) photoemission spectroscopy. We observe peaks in the density of states on entering the superconducting-phase accompanying gap formation and spectacular redistribution of spectral weight at low energy scales as a function of temperature. The well-known peak-dip feature of the high-Tc cuprates is seen in Pb, making it a characteristic of strong-coupling superconductivity.

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Photoemission spectroscopy of the strong-coupling superconducting transitions in lead and niobium

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