Vertex corrections to the conductivity
Vertex corrections to the conductivity
Disciplines
Physics, Astronomy (100%)
Keywords
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Strongly Correlated Electron Systems,
Dynamical Mean-Field Theory,
Dynamical Vertex Approximation,
Optical Conductivity,
Plasmons
Polaritons are quasiparticles emerging from the coupling of light to materials. The arguably best known polariton is the exciton. It consists of one electron and one hole generated through the impact of light and glued together by the Coulomb attraction. In the precessing project, a new polariton, coined p-ton, was discovered by serendipity in theoretical calculations. It consists of two electons and 2 holes that are connected to the incoming and outgoing light and glued together by magnetic or charge fluctuations that alternate in a checkerboard form. This checkerboard pattern can also be described by a change of the angle p from site to site, hence the name. The current project aims at better understanding the physics of p- tons and to lay the foundation to detect p-tons in experiment.
- Technische Universität Wien - 100%
Research Output
- 136 Citations
- 21 Publications
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2025
Title Local correlations necessitate waterfalls as a connection between quasiparticle band and developing Hubbard bands DOI 10.1038/s41467-024-55465-7 Type Journal Article Author Krsnik J Journal Nature Communications Pages 255 Link Publication -
2024
Title Weyl points and spin-orbit coupling in copper-substituted lead phosphate apatite DOI 10.1103/physrevb.109.085103 Type Journal Article Author Braß M Journal Physical Review B Pages 085103 Link Publication -
2024
Title Unconventional superconductivity without doping in infinite-layer nickelates under pressure DOI 10.1038/s41467-024-48169-5 Type Journal Article Author Di Cataldo S Journal Nature Communications Pages 3952 Link Publication -
2024
Title Embedded multi-boson exchange: A step beyond quantum cluster theories DOI 10.1103/physrevresearch.6.043159 Type Journal Article Author Kiese D Journal Physical Review Research Pages 043159 Link Publication