Specific heat of underdoped cuprates: RVB versus Fermi arcs

Abstract

A recent microscopic model of the pseudogap state, based on the resonating valence bond (RVB) spin liquid, has provided a simple ansatz for the electronic self energy in which a gap forms on the antiferromagnetic Brillouin zone as the limit of a Mott insulator is approached in the underdoped regime. Here, the ansatz is employed to calculate the electronic specific heat when a superconducting gap is also included. We find qualitative agreement with all experimental observations in the underdoped regime of the cuprates. We explore the relationship of the theory to two other purely phenomenological approaches, the nodal liquid and the Fermi arc model, and provide justification for their use on experimental data in light of this microscopic RVB theory.

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Cited by in corpus (24)

• A Phenomenological Theory of the Anomalous Pseudogap Phase in Underdoped Cuprates
• Anomalies in the pseudogap phase of the cuprates: Competing ground states and the role of umklapp scattering
• Signatures of Fermi surface reconstruction in Raman spectra of underdoped cuprates
• The underdoped cuprates as fractionalized Fermi liquids: transition to superconductivity
• Effect of pseudogap formation on the penetration depth of underdoped high $T_c$ cuprates
• Phenomenological theories of the low-temperature pseudogap: Hall number, specific heat and Seebeck coefficient
• Magic gap ratio for optimally robust fermionic condensation and its implications for high-Tc superconductivity
• Signature of pseudogap formation in the density of states of underdoped cuprates
• Andreev and Single Particle Tunneling Spectroscopies in Underdoped Cuprates
• Electron pockets and pseudogap asymmetry observed in the thermopower of underdoped cuprates
• Superconductivity generated by coupling to a Cooperon in a 2-dimensional array of 4-leg Hubbard ladders
• Specific heat across the superconducting dome in the cuprates
• Effects of a particle-hole asymmetric pseudogap on Bogoliubov quasiparticles
• Signatures of a momentum independent pseudogap in the electronic density of states and Raman spectroscopy of the underdoped cuprates
• On the Origin of the Checkerboard Pattern in Scanning Tunneling Microscopy Maps of Underdoped Cuprate Superconductors
• Resonating valence bonds and Fermi surface reconstruction: The resistivity in the underdoped cuprates
• Simultaneous drop in mean free path and carrier density at the pseudogap onset in high-$T_c$ cuprates
• Electron pockets and pseudogap Dirac point in underdoped cuprate superconductors
• Fermi arcs vs hole pockets: periodization of a cellular two-band model
• C-axis optical conductivity from the Yang-Rice-Zhang model of the underdoped cuprates
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• Closing the pseudogap quietly
• Isotope Effect of Underdoped Cuprates in the Yang-Rice-Zhang Model
• Interplay between condensation energy, pseudogap and the specific heat of a Hubbard model in a n-pole approximation