"Origin of switchable #quasiparticle-interference #chirality in loop-current phase of #kagome metals measured by scanning-tunneling-microscopy"
"Here, we reveal theoretically that a pronounced chiral quasiparticle interference signal emerges in the extremely dilute impurity regime ( ≲ 0.1%)."
The connection between loop current chirality and quasiparticle interference chirality remains not fully understood. Here, the authors investigate the origin of the quasiparticle interference signal in the loop-current phase.
https://www.nature.com/articles/s41586-024-08262-7
(so I've been hunting for an information carrier…)
…a family of exactly solvable #quantumspin models in one and two dimensions, in which free #paraparticles emerge as quasiparticle excitations, and their exchange statistics can be physically observed and are notably distinct from fermions and bosons…the possibility of a new type of #quasiparticle in #condensedmatter systems and—more speculatively—the potential for previously unconsidered types of #elementaryparticle.
By developing a second quantization of paraparticles and constructing exactly solvable quantum spin models with emergent paraparticles, new theoretical evidence shows that non-trivial parastatistics inequivalent to either fermions or bosons can exist in physical systems.
Demon #quasiparticle is detected 67 years after it was first proposed
https://physicsworld.com/a/demon-quasiparticle-is-caught-67-years-after-it-was-first-proposed/
Researchers observe Pines' demon unexpectedly after bombarding exotic metal with electrons
https://phys.org/news/2023-10-scientists-super-bright-sources-powered-quasiparticles.html
[surprised if this plus applied AI doesn't yield usable #fusion #physics]
"…the total radiation from all the electrons can mimic that of a particle moving faster than light or an oscillating particle, even though there isn't a single electron locally that's faster than light or an oscillating electron."
#Quasiparticle -based light sources could have a distinct advantage over existing forms, like free electron lasers, which are scarce and massive…
An international team of scientists is rethinking the basic principles of radiation physics with the aim of creating super-bright light sources. In a new study published in Nature Photonics, researchers from the Instituto Superior Técnico (IST) in Portugal, the University of Rochester, the University of California, Los Angeles, and Laboratoire d'Optique Appliquée in France proposed ways to use quasiparticles to create light sources as powerful as the most advanced ones in existence today, but much smaller.
At some point I wanted to be physicist but opted for the practical and became an engineer. These days I’m very jealous.
“Bizarre 'demon' particle found inside superconductor could help unlock a 'holy grail' of #Physics”
Scientific Frontline
Henry Edward Hardy
tomsharp
rexi
ulaulaman
Alex Jimenez
Rod2ik 🇪🇺 🇨🇵 🇪🇸 🇨🇱 🇺🇦 🇨🇦 🇬🇱☮🕊️