Strong correlations from Hund's coupling
Strong electronic correlations are often associated with the proximity of a Mott-insulating
state. In recent years however, it has become increasingly clear that the Hund's rule …
state. In recent years however, it has become increasingly clear that the Hund's rule …
Metallic quantum ferromagnets
An overview of quantum phase transitions (QPTs) in metallic ferromagnets, discussing both
experimental and theoretical aspects, is given. These QPTs can be classified with respect to …
experimental and theoretical aspects, is given. These QPTs can be classified with respect to …
Quantum critical behaviour in magic-angle twisted bilayer graphene
The flat bands of magic-angle twisted bilayer graphene (MATBG) host strongly correlated
electronic phases such as correlated insulators,,,–, superconductors,,,–and a strange metal …
electronic phases such as correlated insulators,,,–, superconductors,,,–and a strange metal …
Universal T-linear resistivity and Planckian dissipation in overdoped cuprates
The perfectly linear temperature dependence of the electrical resistivity observed as T→ 0 in
a variety of metals close to a quantum critical point,,–is a major puzzle of condensed-matter …
a variety of metals close to a quantum critical point,,–is a major puzzle of condensed-matter …
Similarity of Scattering Rates in Metals Showing T-Linear Resistivity
Many exotic compounds, such as cuprate superconductors and heavy fermion materials,
exhibit a linear in temperature (T) resistivity, the origin of which is not well understood. We …
exhibit a linear in temperature (T) resistivity, the origin of which is not well understood. We …
Fermi-liquid instabilities at magnetic quantum phase transitions
This review discusses instabilities of the Fermi-liquid state of conduction electrons in metals
with particular emphasis on magnetic quantum critical points. Both existing theoretical …
with particular emphasis on magnetic quantum critical points. Both existing theoretical …
Heavy fermions and quantum phase transitions
Q Si, F Steglich - Science, 2010 - science.org
Quantum phase transitions arise in many-body systems because of competing interactions
that promote rivaling ground states. Recent years have seen the identification of continuous …
that promote rivaling ground states. Recent years have seen the identification of continuous …
Nematic Fermi fluids in condensed matter physics
Correlated electron fluids can exhibit a startling array of complex phases, among which one
of the more surprising is the electron nematic, a translationally invariant metallic phase with …
of the more surprising is the electron nematic, a translationally invariant metallic phase with …
Quantum criticality in heavy-fermion metals
Quantum criticality describes the collective fluctuations of matter undergoing a second-order
phase transition at zero temperature. Heavy-fermion metals have in recent years emerged …
phase transition at zero temperature. Heavy-fermion metals have in recent years emerged …