Strong lattice correlation of non-equilibrium quasiparticles in a pseudospin-1/2 Mott insulator Sr2IrO4

Scientific Reports
Yuelin LiZ Q Mao

Abstract

In correlated oxides the coupling of quasiparticles to other degrees of freedom such as spin and lattice plays critical roles in the emergence of symmetry-breaking quantum ordered states such as high temperature superconductivity. We report a strong lattice coupling of photon-induced quasiparticles in spin-orbital coupling Mott insulator Sr2IrO4 probed via optical excitation. Combining time-resolved x-ray diffraction and optical spectroscopy techniques, we reconstruct a spatiotemporal map of the diffusion of these quasiparticles. Due to the unique electronic configuration of the quasiparticles, the strong lattice correlation is unexpected but extends the similarity between Sr2IrO4 and cuprates to a new dimension of electron-phonon coupling which persists under highly non-equilibrium conditions.

References

Sep 15, 1986·Physical Review. B, Condensed Matter·C ThomsenJ Tauc
Sep 28, 2004·Physical Review Letters·T P DevereauxN Nagaosa
Feb 1, 1984·Proceedings of the National Academy of Sciences of the United States of America·M F Shlesinger, E W Montroll
Sep 4, 2008·Physical Review Letters·B J KimE Rotenberg
Dec 20, 2008·Proceedings of the National Academy of Sciences of the United States of America·Fabrizio CarboneAhmed H Zewail
Apr 21, 2010·Proceedings of the National Academy of Sciences of the United States of America·Hua ZhouRon Pindak
Jan 15, 2011·Science·D FaustiA Cavalleri
Oct 4, 2012·Physical Review Letters·D HaskelM van Veenendaal
Feb 5, 2013·Physical Review Letters·Haidan WenYuelin Li
Apr 29, 2014·Physical Review Letters·A LupascuYoung-June Kim
Jun 4, 2014·Journal of Physics. Condensed Matter : an Institute of Physics Journal·D A ZoccoM B Maple
Jul 18, 2014·Nature Communications·Jungho KimB J Kim
Dec 11, 2014·Journal of Physics. Condensed Matter : an Institute of Physics Journal·Imtiaz Noor BhattiA K Pramanik
Jan 24, 2015·Physical Review Letters·Zhanybek AlpichshevNuh Gedik

❮ Previous
Next ❯

Citations

Mar 29, 2019·Journal of Physics. Condensed Matter : an Institute of Physics Journal·B LenzS Biermann
Mar 22, 2019·Journal of Physics. Condensed Matter : an Institute of Physics Journal·Jiemin LiX Liu
Sep 23, 2020·Proceedings of the National Academy of Sciences of the United States of America·Eugenio ParisThorsten Schmitt

❮ Previous
Next ❯

Methods Mentioned

BETA
x-ray diffraction
X-ray

Related Concepts

Trending Feeds

COVID-19

Coronaviruses encompass a large family of viruses that cause the common cold as well as more serious diseases, such as the ongoing outbreak of coronavirus disease 2019 (COVID-19; formally known as 2019-nCoV). Coronaviruses can spread from animals to humans; symptoms include fever, cough, shortness of breath, and breathing difficulties; in more severe cases, infection can lead to death. This feed covers recent research on COVID-19.

Blastomycosis

Blastomycosis fungal infections spread through inhaling Blastomyces dermatitidis spores. Discover the latest research on blastomycosis fungal infections here.

Nuclear Pore Complex in ALS/FTD

Alterations in nucleocytoplasmic transport, controlled by the nuclear pore complex, may be involved in the pathomechanism underlying multiple neurodegenerative diseases including Amyotrophic Lateral Sclerosis and Frontotemporal Dementia. Here is the latest research on the nuclear pore complex in ALS and FTD.

Applications of Molecular Barcoding

The concept of molecular barcoding is that each original DNA or RNA molecule is attached to a unique sequence barcode. Sequence reads having different barcodes represent different original molecules, while sequence reads having the same barcode are results of PCR duplication from one original molecule. Discover the latest research on molecular barcoding here.

Chronic Fatigue Syndrome

Chronic fatigue syndrome is a disease characterized by unexplained disabling fatigue; the pathology of which is incompletely understood. Discover the latest research on chronic fatigue syndrome here.

Evolution of Pluripotency

Pluripotency refers to the ability of a cell to develop into three primary germ cell layers of the embryo. This feed focuses on the mechanisms that underlie the evolution of pluripotency. Here is the latest research.

Position Effect Variegation

Position Effect Variagation occurs when a gene is inactivated due to its positioning near heterochromatic regions within a chromosome. Discover the latest research on Position Effect Variagation here.

STING Receptor Agonists

Stimulator of IFN genes (STING) are a group of transmembrane proteins that are involved in the induction of type I interferon that is important in the innate immune response. The stimulation of STING has been an active area of research in the treatment of cancer and infectious diseases. Here is the latest research on STING receptor agonists.

Microbicide

Microbicides are products that can be applied to vaginal or rectal mucosal surfaces with the goal of preventing, or at least significantly reducing, the transmission of sexually transmitted infections. Here is the latest research on microbicides.