Flat bands, strange metals and the Kondo effect
Flat-band materials such as the kagome metals or moiré superlattices are of intense current
interest. Flat bands can result from the electron motion on numerous (special) lattices and …
interest. Flat bands can result from the electron motion on numerous (special) lattices and …
Strange metals and black holes: insights from the Sachdev-Ye-Kitaev model
S Sachdev - arXiv preprint arXiv:2305.01001, 2023 - arxiv.org
Complex many-particle quantum entanglement is a central theme in two distinct major topics
in physics: the strange metal state found in numerous correlated electron compounds, and …
in physics: the strange metal state found in numerous correlated electron compounds, and …
Strange metal and superconductor in the two-dimensional Yukawa-Sachdev-Ye-Kitaev model
The two-dimensional Yukawa-Sachdev-Ye-Kitaev (2D-YSYK) model provides a universal
theory of quantum phase transitions in metals in the presence of quenched random spatial …
theory of quantum phase transitions in metals in the presence of quenched random spatial …
Localization of overdamped bosonic modes and transport in strange metals
The strange metal phase of correlated electrons materials was described in a recent theory
by a model of a Fermi surface coupled a two-dimensional quantum critical bosonic field with …
by a model of a Fermi surface coupled a two-dimensional quantum critical bosonic field with …
-linear resistivity, optical conductivity, and Planckian transport for a holographic local quantum critical metal in a periodic potential
F Balm, N Chagnet, S Arend, J Aretz, K Grosvenor… - Physical Review B, 2023 - APS
High-T c cuprate strange metals are characterized by a DC resistivity that scales linearly with
T from the onset of superconductivity to the crystal melting temperature, characterized by a …
T from the onset of superconductivity to the crystal melting temperature, characterized by a …
Controlled expansion for transport in a class of non-Fermi liquids
ZD Shi - Physical Review B, 2024 - APS
Non-Fermi liquids arise when strong interactions destroy stable fermionic quasiparticles.
The simplest models featuring this phenomenon involve a Fermi surface coupled to …
The simplest models featuring this phenomenon involve a Fermi surface coupled to …
Theory of shot noise in strange metals
We extend the theory of shot noise in coherent metals to shot noise in strange metals without
quasiparticle excitations. This requires a generalization of the Boltzmann equation with a …
quasiparticle excitations. This requires a generalization of the Boltzmann equation with a …
Correlation between phase stiffness and condensation energy across the non-Fermi to Fermi-liquid crossover in the Yukawa-Sachdev-Ye-Kitaev model on a lattice
We construct and analyze a lattice generalization of the Yukawa-Sachdev-Ye-Kitaev model,
where spinful fermions experience onsite, random, all-to-all interactions with an Einstein …
where spinful fermions experience onsite, random, all-to-all interactions with an Einstein …
Feynman diagrammatics based on discrete pole representations: A path to renormalized perturbation theories
By merging algorithmic Matsubara integration with discrete pole representations we present
a procedure to generate fully analytic closed form results for impurity problems at fixed …
a procedure to generate fully analytic closed form results for impurity problems at fixed …
Two -linear scattering-rate regimes in the triangular lattice Hubbard model
In recent years, the $ T $-linear scattering rate found at low temperatures, defining the
strange metal phase of cuprates, has been a subject of interest. Since a wide range of …
strange metal phase of cuprates, has been a subject of interest. Since a wide range of …