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6 papers · 2 filters
Chiral symmetry breaking in in presence of irrelevant interactions: a renormalization group study
Kamran Kaveh, Igor F. Herbut
Motivated by recent theoretical approaches to high temperature superconductivity, we study dynamical mass generation in three dimensional quantum electrodynamics ) i…
Effective theory of high-temperature superconductors
Igor F. Herbut
General field theory of a fluctuating d-wave superconductor is constructed and proposed as an effective description of superconducting cuprates at low energies. The theory is used…
Investigations of the Core Structure of Magnetic Vortices in Type-II Superconductors by muSR
J. E. Sonier
Muon spin rotation (muSR) has emerged as the leading experimental probe of the effective size of magnetic vortices in type-II superconductors. muSR data on several different classe…
Quantum fluctuations, pseudogap, and the T=0 superfluid density in strongly correlated d-wave superconductors
Igor F. Herbut
I study the effect of Coulomb interaction on superconducting order in a d-wave lattice superconductor at T=0 by considering the superconducting saddle point in the two dimensional…
Shrinking Magnetic Vortices in V3Si Due to Delocalized Quasiparticle Core States: Confirmation of the Microscopic Theory for Interacting Vortices
J. E. Sonier, F. D. Callaghan, R. I. Miller +6
We report muon spin rotation measurements on the conventional type-II superconductor V3Si that provide clear evidence for changes to the inner structure of a vortex due to the delo…
Finite temperature superfluid density in very underdoped cuprates
Igor F. Herbut, Matthew J. Case
The combination of a large superconducting gap, low transition temperature, and quasi two-dimensionality in strongly underdoped high temperature superconductors severely constrains…