Confinement transitions of the cuprate pseudogap metal
ORAL
Abstract
The pseudogap metal phase of the hole-doped cuprates can be described by small Fermi surfaces of electron-like quasiparticles, which enclose a volume violating the Luttinger relation.
This violation requires the existence of additional fractionalized excitations which can be viewed as fractionalized remnants of the paramagnon. Such a theory provides a good description of photoemission observations in the normal state in both the nodal and anti-nodal regions of the Brillouin zone. In this work we consider confinement transitions of such a metallic state upon lowering temperature. The confining state must either be a Luttinger-relation-obeying Fermi liquid, or break charge conservation or translational symmetry; we explore various possibilities with one or more of superconducting, and spin and charge density wave orders.
This violation requires the existence of additional fractionalized excitations which can be viewed as fractionalized remnants of the paramagnon. Such a theory provides a good description of photoemission observations in the normal state in both the nodal and anti-nodal regions of the Brillouin zone. In this work we consider confinement transitions of such a metallic state upon lowering temperature. The confining state must either be a Luttinger-relation-obeying Fermi liquid, or break charge conservation or translational symmetry; we explore various possibilities with one or more of superconducting, and spin and charge density wave orders.
*This research was supported by the National Science Foundation under Grant No. DMR-2002850. This work was also supported by the Simons Collaboration on Ultra-Quantum Matter, which is a grant from the Simons Foundation (651440, S.S.)
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Publication: Physical Review B 105, 075146 (2022)
Presenters
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Subir Sachdev
- Harvard University