Andreas Eberlein
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View article: Quantum quench of the Sachdev-Ye-Kitaev model
Quantum quench of the Sachdev-Ye-Kitaev model Open
We describe the nonequilibrium quench dynamics of the Sachdev-Ye-Kitaev models of fermions with random all-to-all interactions. These provide tractable models of the dynamics of quantum systems without quasiparticle excitations. The Kadano…
View article: Thermal and electrical transport in metals and superconductors across antiferromagnetic and topological quantum transitions
Thermal and electrical transport in metals and superconductors across antiferromagnetic and topological quantum transitions Open
We study thermal and electrical transport in metals and superconductors near a quantum phase transition where antiferromagnetic order disappears. The same theory can also be applied to quantum phase transitions involving the loss of certai…
View article: Shear viscosity at the Ising-nematic quantum critical point in two-dimensional metals
Shear viscosity at the Ising-nematic quantum critical point in two-dimensional metals Open
In an isotropic strongly interacting quantum liquid without quasiparticles, general scaling arguments imply that the dimensionless ratio (kB/ℏ)η/s, where η is the shear viscosity and s is the entropy density, is a universal number. We comp…
View article: Fermi Surface Reconstruction and Drop in the Hall Number due to Spiral Antiferromagnetism in High-<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msub><mml:mi>T</mml:mi><mml:mi>c</mml:mi></mml:msub></mml:math> Cuprates
Fermi Surface Reconstruction and Drop in the Hall Number due to Spiral Antiferromagnetism in High- Cuprates Open
We show that a Fermi surface reconstruction due to spiral antiferromagnetic order may explain the rapid change in the Hall number as recently observed near optimal doping in cuprate superconductors [Badoux et al., Nature (London) 531, 210 …
View article: Hyperscaling violation at the Ising-nematic quantum critical point in two-dimensional metals
Hyperscaling violation at the Ising-nematic quantum critical point in two-dimensional metals Open
Understanding optical conductivity data in the optimally doped cuprates in the framework of quantum criticality requires a strongly-coupled quantum critical metal which violates hyperscaling. In the simplest scaling framework, hyperscaling…
View article: Light-induced enhancement of superconductivity via melting of competing bond-density wave order in underdoped cuprates
Light-induced enhancement of superconductivity via melting of competing bond-density wave order in underdoped cuprates Open
We develop a theory for light-induced superconductivity in underdoped cuprates in which the competing bond-density wave order is suppressed by driving phonons with light. Close to a bond-density wave instability in a system with a small Fe…
View article: Coexistence of Incommensurate Magnetism and Superconductivity in the Two-Dimensional Hubbard Model
Coexistence of Incommensurate Magnetism and Superconductivity in the Two-Dimensional Hubbard Model Open
We analyze the competition of magnetism and superconductivity in the two-dimensional Hubbard model with a moderate interaction strength, including the possibility of incommensurate spiral magnetic order. Using an unbiased renormalization g…