Terahetz BWO spectroscopy of conductors and superconductors

B. P. Gorshunov, A. A. Volkov, A. S. Prokhorov, I. E. Spektor, Jun Akimitsu, M. Dressel, G. J. Nieuwenhuys, S. Tomić, S. Uchida

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Methods for direct (without the use of the Kramers-Kronig relations) measuring the dielectric response (dynamic conductivity and permittivity) spectra of dielectrics, conductors, and superconductors in the terahertz frequency range (0.03-1.5 THz) are described. The methods are realised by using BWO (backward-wave oscillator) spectrometers developed at the A.M. Prokhorov General Physics Institute, RAS. Dielectric measurements can be performed at temperatures from 2 to 1000 K in magnetic fields up to 8 T. The dielectric response spectra are investigated for a number of materials with properties determined by electron correlation effects: superconductors, one-dimensional conductors, heavy fermion systems, spin-ladder cuprates, and spin glasses.

Original languageEnglish
Pages (from-to)916-923
Number of pages8
JournalQuantum Electronics
Volume37
Issue number10
DOIs
Publication statusPublished - Oct 2007
Externally publishedYes

Fingerprint

backward waves
Superconducting materials
conductors
oscillators
Spectroscopy
spectroscopy
Kramers-Kronig relations
Electron correlations
heavy fermion systems
Spin glass
Fermions
Ladders
dynamic response
ladders
spin glass
cuprates
Dynamic response
Spectrometers
Permittivity
Physics

Keywords

  • Electron correlations
  • Low temperatures
  • Terahertz spectroscopy

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Physics and Astronomy (miscellaneous)

Cite this

Gorshunov, B. P., Volkov, A. A., Prokhorov, A. S., Spektor, I. E., Akimitsu, J., Dressel, M., ... Uchida, S. (2007). Terahetz BWO spectroscopy of conductors and superconductors. Quantum Electronics, 37(10), 916-923. https://doi.org/10.1070/QE2007v037n10ABEH013614

Terahetz BWO spectroscopy of conductors and superconductors. / Gorshunov, B. P.; Volkov, A. A.; Prokhorov, A. S.; Spektor, I. E.; Akimitsu, Jun; Dressel, M.; Nieuwenhuys, G. J.; Tomić, S.; Uchida, S.

In: Quantum Electronics, Vol. 37, No. 10, 10.2007, p. 916-923.

Research output: Contribution to journalArticle

Gorshunov, BP, Volkov, AA, Prokhorov, AS, Spektor, IE, Akimitsu, J, Dressel, M, Nieuwenhuys, GJ, Tomić, S & Uchida, S 2007, 'Terahetz BWO spectroscopy of conductors and superconductors', Quantum Electronics, vol. 37, no. 10, pp. 916-923. https://doi.org/10.1070/QE2007v037n10ABEH013614
Gorshunov BP, Volkov AA, Prokhorov AS, Spektor IE, Akimitsu J, Dressel M et al. Terahetz BWO spectroscopy of conductors and superconductors. Quantum Electronics. 2007 Oct;37(10):916-923. https://doi.org/10.1070/QE2007v037n10ABEH013614
Gorshunov, B. P. ; Volkov, A. A. ; Prokhorov, A. S. ; Spektor, I. E. ; Akimitsu, Jun ; Dressel, M. ; Nieuwenhuys, G. J. ; Tomić, S. ; Uchida, S. / Terahetz BWO spectroscopy of conductors and superconductors. In: Quantum Electronics. 2007 ; Vol. 37, No. 10. pp. 916-923.
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