## 9 Citations

Dielectric function and plasmons of doped three-dimensional Luttinger semimetals

- PhysicsPhysical Review B
- 2019

Luttinger semimetals are three-dimensional electron systems with a parabolic band touching and an effective total spin $J=3/2$. In this Article we present an analytical theory of dielectric screening…

Dielectric and electronic properties of three-dimensional Luttinger semimetals with a quadratic band touching

- PhysicsPhysical Review B
- 2019

Due to strong spin-orbit coupling, charge carriers in three-dimensionsal quadratic-band-touching Luttinger semimetals have nontrivial wave functions characterized by a pseudospin of 3/2. We compute…

Optical response of Luttinger semimetals in the normal and superconducting states

- PhysicsPhysical Review B
- 2019

We investigate the optical response properties of three-dimensional Luttinger semimetals with the Fermi energy close to a quadratic band touching point. In particular, in order to address recent…

Zero Sound and Plasmon Modes for Non-Fermi Liquids

- PhysicsSSRN Electronic Journal
- 2022

We derive the quantum Boltzmann equation (QBE) by using generalized Landau-interaction parameters, obtained through the nonequilibrium Green’s function technique. This is a generalization of the…

d
-wave superconductivity and Bogoliubov-Fermi surfaces in Rarita-Schwinger-Weyl semimetals

- PhysicsPhysical Review B
- 2020

Quasiparticles appearing in Dirac or Weyl semimetals connect relativistic physics at high energies to ongoing studies of novel condensed matter states. Recently, the standard model of emergent…

Hybrid Dispersion Dirac Semimetal and Hybrid Weyl Phases in Luttinger Semimetals: A Dynamical Approach

- PhysicsAnnalen der Physik
- 2019

It is shown that hybrid Dirac and Weyl semimetals can be realized in a 3D Luttinger semimetal with quadratic band touching (QBT). This is illustrated using a periodic kicking scheme. In particular,…

Raman response and shear viscosity in the non-Fermi liquid phase of Luttinger semimetals.

- PhysicsJournal of physics. Condensed matter : an Institute of Physics journal
- 2022

Luttinger semimetals represent materials with strong spin-orbit coupling, harbouring doubly-degenerate quadratic band touchings at the Brillouin zone center. In the presence of Coulomb interactions,…

Thermoelectric and thermal properties of the weakly disordered non-Fermi liquid phase of Luttinger semimetals

- PhysicsPhysics Letters A
- 2021

Transport in the non-Fermi liquid phase of isotropic Luttinger semimetals

- PhysicsPhysical Review B
- 2021

Luttinger semimetals have quadratic band crossings at the Brillouin zone-center in three spatial dimensions. Coulomb interactions in a model that describes these systems stabilize a non-trivial fixed…

## References

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Dielectric anomalies and interactions in the three-dimensional quadratic band touching Luttinger semimetal Pr2Ir2O7

- PhysicsNature Communications
- 2017

Dirac and Weyl semimetals with linearly crossing bands are the focus of much recent interest in condensed matter physics. Although they host fascinating phenomena, their physics can be understood in…

Nematic quantum criticality in three-dimensional Fermi system with quadratic band touching

- Physics
- 2015

We construct and discuss the field theory for tensorial nematic order parameter coupled to gapless four-component fermions at the quadratic band touching point in three (spatial) dimensions. Within a…

Non-Fermi-liquid and topological states with strong spin-orbit coupling.

- PhysicsPhysical review letters
- 2013

We argue that a class of strongly spin-orbit-coupled materials, including some pyrochlore iridates and the inverted band gap semiconductor HgTe, may be described by a minimal model consisting of the…

Thermal plasmon resonantly enhances electron scattering in Dirac/Weyl semimetals

- PhysicsPhysical Review B
- 2018

Author(s): Kozii, V; Fu, L | Abstract: © 2018 American Physical Society. We study the inelastic scattering rate due to the Coulomb interaction in three-dimensional Dirac/Weyl semimetals at finite…

Topological mott insulator in three-dimensional systems with quadratic band touching.

- PhysicsPhysical review letters
- 2014

We argue that a three-dimensional electronic system with the Fermi level at the quadratic band touching point such as HgTe could be unstable with respect to the spontaneous formation of the…

Plasmon signature in Dirac-Weyl liquids

- Physics
- 2015

We consider theoretically as a function of temperature the plasmon mode arising in three-dimensional Dirac liquids, i.e., systems with linear chiral relativistic single-particle dispersion, within…

Non-Fermi liquid at the FFLO quantum critical point

- PhysicsPhysical Review B
- 2018

When a 2D superconductor is subjected to a strong in-plane magnetic field, Zeeman polarization of the Fermi surface can give rise to inhomogeneous FFLO order with a spatially modulated gap. Further…

Superconducting quantum criticality in three-dimensional Luttinger semimetals

- Physics
- 2016

We study a simple model of three-dimensional fermions close to a quadratic band touching point, built from the celebrated Luttinger single-particle Hamiltonian and an attractive contact interaction…

Disorder-driven destruction of a non-Fermi liquid semimetal studied by renormalization group analysis

- Physics
- 2017

We investigate the interplay of Coulomb interactions and short-range-correlated disorder in three-dimensional systems where absent disorder the noninteracting band structure hosts a quadratic band…