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Spin density wave, Fermi liquid, and fractionalized phases in a theory of antiferromagnetic metals using paramagnons and bosonic spinons
Alexander Nikolaenko, Jonas von Milczewski, Darshan G. Joshi +1
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 relati…
Superconductivity of non-Fermi liquids described by Sachdev-Ye-Kitaev models
Chenyuan Li, Subir Sachdev, Darshan G. Joshi
We investigate models of electrons in the Sachdev-Ye-Kitaev class with random and all-to-all electron hopping, electron spin exchange, and Cooper-pair hopping. An attractive on-sit…
Engineering SYK interactions in disordered graphene flakes under realistic experimental conditions
Marta Brzezinska, Yifei Guan, Oleg V. Yazyev +2
We model SYK (Sachdev-Ye-Kitaev) interactions in disordered graphene flakes up to 300 000 atoms (100 nm in diameter) subjected to an out-of-plane magnetic field of 5-20 T…
Large theory of critical Fermi surfaces II: conductivity
Haoyu Guo, Aavishkar A. Patel, Ilya Esterlis +1
A Fermi surface coupled to a scalar field can be described in a expansion by choosing the fermion-scalar Yukawa coupling to be random in the -dimensional flavor space, but…
Hidden orders and phase transitions for the fully packed quantum loop model on the triangular lattice
Xiaoxue Ran, Zheng Yan, Yan-Cheng Wang +5
Quantum loop and dimer models are prototypical correlated systems with local constraints, which are not only intimately connected to lattice gauge theories and topological orders b…
Statistical mechanics of strange metals and black holes
Subir Sachdev
A colloquium style review of the connections between the Sachdev-Ye-Kitaev model and strange metals without quasiparticles, and between the SYK model and the quantum properties of…