Properties of boson-exchange superconductors

JP Carbotte - Reviews of Modern Physics, 1990 - APS
The author reviews some of the important successes achieved by Eliashberg theory in
describing the observed superconducting properties of many conventional superconductors …

Eliashberg theory: A short review

F Marsiglio - Annals of Physics, 2020 - Elsevier
Eliashberg theory is a theory of superconductivity that describes the role of phonons in
providing the attractive interaction between two electrons. Phonon dynamics are taken into …

Bosons in high-temperature superconductors: an experimental survey

JP Carbotte, T Timusk, J Hwang - Reports on Progress in Physics, 2011 - iopscience.iop.org
We review a number of experimental techniques that are beginning to reveal fine details of
the bosonic spectrum α 2 F (Ω) that dominates the interaction between the quasiparticles in …

: A Fully Gapped Strong-Coupling Superconductor

H Elsinger, J Wosnitza, S Wanka, J Hagel… - Physical Review Letters, 2000 - APS
High-resolution specific-heat measurements of the organic superconductor κ−(BEDT− TTF)
2− Cu [N (CN) 2] Br in the superconducting (B= 0) and normal (B= 14 T) states show a …

Properties of the superconducting state in a two-band model

EJ Nicol, JP Carbotte - Physical Review B—Condensed Matter and Materials …, 2005 - APS
Eliashberg theory is used to investigate the range of thermodynamic properties possible
within a two-band model for s-wave superconductivity and to identify signatures of its two …

Electron-phonon superconductivity

F Marsiglio, JP Carbotte - Superconductivity: conventional and …, 2008 - Springer
Abstract High Temperature Superconductivity, along with more recent developments with
other newly discovered superconducting materials, have led to a superconducting …

Migdal-Eliashberg theory as a classical spin chain

EA Yuzbashyan, BL Altshuler - Physical Review B, 2022 - APS
We formulate the Migdal-Eliashberg theory of electron-phonon interactions in terms of
classical spins by mapping the free energy to a Heisenberg spin chain in a Zeeman …

Unified scaling law for flux pinning in practical superconductors: I. Separability postulate, raw scaling data and parameterization at moderate strains

JW Ekin - Superconductor Science and Technology, 2010 - iopscience.iop.org
The unified strain-and-temperature scaling law underlies the many pinning-force-model
expressions proposed to parameterize the dependence of the critical current I c on magnetic …

Comparison of pressurized sulfur hydride with conventional superconductors

EJ Nicol, JP Carbotte - Physical Review B, 2015 - APS
A recent report that sulfur hydride under pressure is an electron-phonon superconductor
with a T c of 190 K has been met with much excitement although it is yet to be confirmed …

Superconductivity due to massless boson exchange in the strong-coupling limit

AV Chubukov, J Schmalian - Physical Review B—Condensed Matter and …, 2005 - APS
We solve the problem of fermionic pairing mediated by a massless boson in the limit of large
coupling constant. At weak coupling, the transition temperature is exponentially small and …