Andreev and Single Particle Tunneling Spectroscopies in Underdoped Cuprates

Abstract

We study tunneling spectroscopy between a normal metal and underdoped cuprate superconductor modeled by a phenomenological theory in which the pseudogap is a precursor to the undoped Mott insulator. In the transparent tunneling limit, the spectra show a small energy gap associated with Andreev reflection. In the Giaever limit, the spectra show a large energy gap associated with single particle tunneling. Our theory semi-quantitatively describes the two gap behavior observed in tunneling experiments.

arXiv comment5 pages, 4 figures, submitted to Phys. Rev. Lett. minor changes of references

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Cited by in corpus (14)

• Observation of Majorana fermions with spin selective Andreev reflection in the vortex of topological superconductor
• A Phenomenological Theory of the Anomalous Pseudogap Phase in Underdoped Cuprates
• Theory for Spin Selective Andreev Reflection in Vortex Core of Topological Superconductor: Majorana Zero Modes on Spherical Surface and Application to Spin Polarized Scanning Tunneling Microscope Probe
• Effects of a particle-hole asymmetric pseudogap on Bogoliubov quasiparticles
• Optical properties of the pseudogap state in underdoped cuprates
• Resonating valence bonds and Fermi surface reconstruction: The resistivity in the underdoped cuprates
• Selective equal spin Andreev reflection at vortex core center in magnetic semiconductor-superconductor heterostructure
• C-axis optical conductivity from the Yang-Rice-Zhang model of the underdoped cuprates
• Electron pockets and pseudogap Dirac point in underdoped cuprate superconductors
• Andreev reflection and tunneling spectrum in a superlattice of metal-superconductor junctions
• Andreev reflection and tunneling spectrum in metal-superconductor-metal junctions
• Enhanced Josephson tunneling between high temperature superconductors through a normal pseudogap underdoped cuprate with a finite energy cooperon
• Non-equilibrium Transport in the Strange Metal and Pseudogap phases of the Cuprates
• Isotope Effect of Underdoped Cuprates in the Yang-Rice-Zhang Model