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Related Experiment Videos

Magnetic field effect on the pseudogap temperature within precursor superconductivity.

P Pieri1, G C Strinati, D Moroni

  • 1Dipartimento di Matematica e Fisica, Sezione INFM Università di Camerino, I-62032 Camerino, Italy.

Physical Review Letters
|September 13, 2002
PubMed
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This study explores the pseudogap closing temperature (T*) in cuprate superconductors under magnetic fields. Findings support a superconducting origin for the pseudogap, aligning with experimental data.

Area of Science:

  • Condensed Matter Physics
  • Materials Science

Background:

  • The pseudogap phenomenon in cuprate superconductors remains a key area of research.
  • Understanding the relationship between the pseudogap and superconductivity is crucial.

Purpose of the Study:

  • To determine the magnetic-field dependence of the pseudogap closing temperature (T*).
  • To investigate the precursor superconductivity scenario for the pseudogap.

Main Methods:

  • Detailed calculations using an anisotropic lattice model.
  • Incorporation of d-wave superconductivity into the model.
  • Analysis of experimental data for BSCCO (bismuth strontium calcium copper oxide) superconductors.

Main Results:

  • The model successfully accounts for the experimentally observed relation between the pseudogap closing field and the zero-field pseudogap temperature.

Related Experiment Videos

  • The weak initial dependence of T* at low magnetic fields is explained.
  • Calculated results are compatible with experimental findings.

    • Conclusions:

    • The pseudogap in cuprate superconductors likely originates from superconductivity.
    • The precursor superconductivity scenario provides a consistent explanation for the observed phenomena.