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Gwangju Institute of Science and Technology researchers enhance electron–phonon coupling strength in low-dimensional strontium ruthenate

Researchers demonstrated a 300-fold increase in electron-phonon coupling strength by reducing dimensionality, paving the way for novel engineering opportunities. The enhancement was attributed to non-local nature of coupling in synthetic SRO/STO superlattices.

SourceGIST (Gwangju Institute of Science and Technology)·JournalAdvanced Science·TypeExperimental study·DateJun 21, 2023

Teasing strange matter from the ordinary

Researchers have made the first-ever observations of how lambda particles, a form of strange matter, are produced by a specific process called semi-inclusive deep inelastic scattering (SIDIS). The study reveals that diquarks, pairs of quarks and gluons, can march through atomic nuclei, contributing to the formation of lambdas.

SourceDOE/Thomas Jefferson National Accelerator Facility·JournalPhysical Review Letters·TypeExperimental study·DateApr 18, 2023

Theory can sort order from chaos in complex quantum systems

A new mathematical theory developed by scientists at Rice University and Oxford University can predict the nature of motions in complex quantum systems. The theory applies to any sufficiently complex quantum system and may give insights into building better quantum computers, designing solar cells, or improving battery performance.

SourceRice University·JournalProceedings of the National Academy of Sciences·TypeComputational simulation/modeling·DateFeb 23, 2023

The tetra-neutron – experiment finds evidence for a long-sought particle comprising four neutrons

Physicists at Technical University of Munich discover potential existence of tetra-neutron, a bound state of four neutrons, which could significantly alter our understanding of nuclear forces. The experiment's results suggest a half-life of 450 seconds and stability comparable to the neutron.

SourceTechnical University of Munich (TUM)·JournalPhysics Letters B·TypeExperimental study·DateDec 10, 2021

Groundbreaking technique yields important new details on silicon, subatomic particles and possible ‘fifth force’

NIST scientists use a novel technique to measure the properties of silicon crystals, revealing new insights into subatomic particles and the strength of a possible fifth force. The results provide improved precision and complementary information for both X-ray and neutron scattering.

SourceNational Institute of Standards and Technology (NIST)·JournalScience·TypeExperimental study·DateSep 9, 2021

New approach to nuclear structure, freely available

A new approach to nuclear structure calculations uses relative coordinates to describe quantum mechanical states of nuclei, reducing complexity and computational power required. This method enables other groups to perform their own nuclear structure calculations with limited resources.

SourceSpringer·JournalThe European Physical Journal A·DateJun 1, 2016