Evidence for Quasiparticle Decay in Photoemission from Underdoped Cuprates

Abstract

I argue that the ``gap'' recently observed at the Brillouin zone face of cuprate superconductors in photoemission by Marshall et al [Phys. Rev. Lett. 76, 4841 (1996)] and Ding et al [Nature 382, 54 (1996)] is evidence for the decay of the injected hole into a spinon-holon pair.

4 pages of ReVTeX, 3 eps figures

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• Doped Stripes in Models for the Cuprates Emerging from the One-hole Properties of the Insulator
• Metallic stripe in two dimensions: stability and spin-charge separation
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• Parton theory of ARPES spectra in anti-ferromagnetic Mott insulators
• Evidence of Electron Fractionalization from Photoemission Spectra in the High Temperature Superconductors
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• Qualitative understanding of the sign of t' asymmetry in the extended t-J Model and relevance for pairing properties
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• Efficient MPS methods for extracting spectral information on rings and cylinders
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• Theory of the leading edge gap in underdoped cuprates
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• Stripe as an effective one-dimensional band of composite excitations
• On Measuring Condensate Fraction in Superconductors
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• Strong correlation induced charge localization in antiferromagnets
• Spin Liquid State around a Doped Hole in Insulating Cuprates
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