Upper bound on strong-coupling corrections to the second upper critical field

doi:https://doi.org/10.1103/PhysRevB.37.9318

Title: Upper bound on strong-coupling corrections to the second upper critical field

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Abstract

An upper bound for the strong-coupling correction eta/sub H//sub >//sub c//sub =/ to the second upper critical magnetic field of an Eliashberg superconductor is established as a function of Coulomb pseudopotential (..mu../sup */) and of impurity content (t/sup +/). Results are also given for many actual superconductors for which the electron-phonon spectral densities are known. These are found to always fall below our upper bound although in some cases they can fall fairly close to the maximum, which varies with ..mu../sup */ and t/sup +/.

Authors:: Akis, R; Marsiglio, F; Schachinger, E; Carbotte, J P

Publication Date:: 1988-06-01

Research Org.:: Physics Department, McMaster University, Hamilton, Ontario L8S 4M1, Canada

OSTI Identifier:: 7171805

Resource Type:: Journal Article

Journal Name:: Phys. Rev. B: Condens. Matter; (United States)

Additional Journal Information:: Journal Volume: 37:16

Country of Publication:: United States

Language:: English

Subject:: 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; SUPERCONDUCTORS; CRITICAL FIELD; CORRECTIONS; COULOMB FIELD; GORKOV-ELIASHBERG THEORY; IMPURITIES; LIMITING VALUES; PARAMETRIC ANALYSIS; ELECTRIC FIELDS; MAGNETIC FIELDS; 656100* - Condensed Matter Physics- Superconductivity

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                    Akis, R, Marsiglio, F, Schachinger, E, and Carbotte, J P. Upper bound on strong-coupling corrections to the second upper critical field.  United States: N. p., 1988. 
        Web.  doi:10.1103/PhysRevB.37.9318.

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                    Akis, R, Marsiglio, F, Schachinger, E, & Carbotte, J P. Upper bound on strong-coupling corrections to the second upper critical field.  United States.  https://doi.org/10.1103/PhysRevB.37.9318

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                    Akis, R, Marsiglio, F, Schachinger, E, and Carbotte, J P. Wed .  
        "Upper bound on strong-coupling corrections to the second upper critical field".  United States.  https://doi.org/10.1103/PhysRevB.37.9318.

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@article{osti_7171805,

  title        = {Upper bound on strong-coupling corrections to the second upper critical field},

  author       = {Akis, R and Marsiglio, F and Schachinger, E and Carbotte, J P},

  abstractNote = {An upper bound for the strong-coupling correction eta/sub H//sub >//sub c//sub =/ to the second upper critical magnetic field of an Eliashberg superconductor is established as a function of Coulomb pseudopotential (..mu../sup */) and of impurity content (t/sup +/). Results are also given for many actual superconductors for which the electron-phonon spectral densities are known. These are found to always fall below our upper bound although in some cases they can fall fairly close to the maximum, which varies with ..mu../sup */ and t/sup +/.},

  doi          = {10.1103/PhysRevB.37.9318},

  url          = {https://www.osti.gov/biblio/7171805},
  journal      = {Phys. Rev. B: Condens. Matter; (United States)},
number       = ,

  volume       = 37:16,

  place        = {United States},

  year         = {1988},

  month        = {6}

}

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