Matches in SemOpenAlex for { <https://semopenalex.org/work/W2901669020> ?p ?o ?g. }
- W2901669020 abstract "We describe the phase diagram of a 2+1 dimensional SU(2) gauge theory of fluctuating incommensurate spin density waves for the hole-doped cuprates. Our primary assumption is that all low energy fermionic excitations are gauge neutral and electron-like, while the spin density wave order is fractionalized into Higgs fields transforming as adjoints of the gauge SU(2). The confining phase of the gauge theory is a conventional Fermi liquid with a large Fermi surface (and its associated $d$-wave superconductor). There is a quantum phase transition to a Higgs phase describing the `pseudogap' at lower doping. Depending upon the quartic terms in the Higgs potential, the Higgs phase exhibits one or more of charge density wave, Ising-nematic, time-reversal odd scalar spin chirality, and $mathbb{Z}_2$ topological orders. It is notable that the emergent broken symmetries in our theory of fluctuating spin density waves co-incide with those observed in diverse experiments. For the electron-doped cuprates, the spin density wave fluctuations are at wavevector $(pi,pi)$, and then the corresponding SU(2) gauge theory only has a crossover between the confining and Higgs regimes, with an exponentially large confinement scale deep in the Higgs regime. On the Higgs side, for both the electron- and hole-doped cases, and at scales shorter than the confinement scale (which can be infinite when $mathbb{Z}_2$ topological order is present), the electron spectral function has a `fractionalized Fermi liquid (FL*)' form with small Fermi surfaces. We also describe the deconfined quantum criticality of the Higgs transition in the limit of a large number of Higgs flavors, and perturbatively discuss its coupling to fermionic excitations." @default.
- W2901669020 created "2018-11-29" @default.
- W2901669020 creator A5006211525 @default.
- W2901669020 creator A5006926306 @default.
- W2901669020 creator A5041649350 @default.
- W2901669020 creator A5047212007 @default.
- W2901669020 date "2019-02-25" @default.
- W2901669020 modified "2023-10-06" @default.
- W2901669020 title "Gauge theory for the cuprates near optimal doping" @default.
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- W2901669020 doi "https://doi.org/10.1103/physrevb.99.054516" @default.
- W2901669020 hasPublicationYear "2019" @default.