Incoherent Pair Tunneling as a Probe of the Cuprate Pseudogap

Abstract

We argue that incoherent pair tunneling in a cuprate superconductor junction with an optimally doped superconducting and an underdoped normal lead can be used to detect the presence of pairing correlations in the pseudogap phase of the underdoped lead. We estimate that the junction characteristics most suitable for studying the pair tunneling current are close to recently manufactured cuprate tunneling devices.

ReVTeX 3.1; 4 pages, 2 EPS figures (included)

References in corpus (2)

• Destruction of the Fermi Surface in Underdoped High Tc Superconductors
• Superconducting transitions from the pseudogap state: d-wave symmetry, lattice, and low-dimensional effects

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• Observability of quantum phase fluctuations in cuprate superconductors
• Phase Fluctuations and Single Fermion Spectral Density in 2D Systems with Attraction
• The electronic specific heat in the pairing pseudogap regime
• Probing Pseudogap by Josephson Tunneling
• Probing d-wave pairing correlations in the pseudogap regime of the cuprate superconductors via low-energy states near impurities
• Andreev interferometry as a probe of superconducting phase correlations in the pseudogap regime of the cuprates
• Probing superconducting phase fluctuations from the current noise spectrum of pseudogaped metal-superconductor tunnel junctions
• Quantum vortex fluctuations in cuprate superconductors
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