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387 papers
Floquet engineering of competing antiferromagnetism and -wave superconductivity on the square lattice
Zhaoyu Han, Subir Sachdev
We propose a driven Lieb--Hubbard quantum simulator whose prethermal dynamics realize a square-lattice spin-1/2 fermion model with independently tunable repulsive on-site and attra…
Deconfined criticality between an antiferromagnetic insulator and a nodal d-wave superconductor: a quantum Monte Carlo study
Chuang Chen, Subir Sachdev, Zi Yang Meng
We present a quantum Monte Carlo study of the transition between the insulating Néel state and the nodal -wave superconductor on the square lattice at half-filling. We access a…
Localization of overdamped bosonic modes and transport in strange metals
Aavishkar A. Patel, Peter Lunts, Subir Sachdev
A recent theory described strange metal behavior in a model of a Fermi surface coupled a two-dimensional quantum critical bosonic field with a spatially random Yukawa coupling. Wit…
Equilibrium dynamics of infinite-range quantum spin glasses in a field
Maria Tikhanovskaya, Subir Sachdev, Rhine Samajdar
We determine the low-energy spectrum and Parisi replica symmetry breaking function for the spin glass phase of the quantum Ising model with infinite-range random exchange interacti…
Emergence of nodal Bogoliubov quasiparticles across the transition from the pseudogap metal to the d-wave superconductor
Maine Christos, Subir Sachdev
We model the pseudogap state of the hole- and electron-doped cuprates as a metal with hole and/or electron pocket Fermi surfaces. In the absence of long-range antiferromagnetism, s…
Cyclotron resonance and quantum oscillations of critical Fermi surfaces
Haoyu Guo, Davide Valentinis, Jörg Schmalian +2
Kohn's theorem places strong constraints on the cyclotron response of Fermi liquids. Recent observations of a doping dependence in the cyclotron mass of LaSrCuO (Le…