Superconducting gap excitations in MgB2 revealed via time-domain THz spectroscopy

M. A. Carnahan, R. A. Kaindl, J. Orenstein, D. S. Chemla, H. M. Christen, H. Y. Zhai, M. Paranthaman, D. H. Lowndes

Research output: Contribution to conferencePaperpeer-review

Abstract

The far-infrared conductivity of MgB2 that encompass a frequency range spanning excitations across the fundamental superconducting energy gap was measured. It was shown that THz conductivity of MgB2 in the vicinity of its superconducting gap 2Δ0 exhibits a BCS-like shape but an unusually small gap ratio.

Original languageEnglish (US)
Pages184
Number of pages1
StatePublished - 2002
Externally publishedYes
EventQuantum Electronics and Laser Science (QELS) 2002 - Long Beach, CA, United States
Duration: May 19 2002May 24 2002

Other

OtherQuantum Electronics and Laser Science (QELS) 2002
CountryUnited States
CityLong Beach, CA
Period5/19/025/24/02

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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