New algorithms to determine eigenstates and thermal states on quantum computers

Image capturing the essence of how the researchers represented imaginary-time evolution by unitary transformations that one can turn into a quantum circuit. Credit: Motta et al. Determining the quantum mechanical behavior of many interacting particles ....

Continue reading

Armored with plastic ‘hair’ and silica, new perovskite nanocrystals show more durability

This illustration shows how the two layers of plastic and silica work together to protect the perovskite material. Credit: Georgia Tech Perovskite nanocrystals hold promise for improving a wide variety of optoelectronic devices—from lasers to ....

Continue reading

Electro-optical device provides solution to faster computing memories and processors

Credit: CC0 Public Domain The first ever integrated nanoscale device which can be programmed with either photons or electrons has been developed by scientists in Harish Bhaskaran's Advanced Nanoscale Engineering research group at the University ....

Continue reading

Samsung researchers: More efficient quantum dots without heavy metals

a, Preparation of InP cores and InP/ZnSe/ZnS QDs with different morphology and shell thickness. The amounts of Se precursor for QD-1, QD-2 and QD-3 were 0.6 mmol, 1.2 mmol and 2.0 mmol, respectively, per 10 ml of solvent. The ....

Continue reading

Functionalized surfaces: Cylindrical micellar brushes with controlled length tailored chemical options

Seeded growth of hydrophobic PFS53-b-PDMS418 micellar brushes on a silicon wafer. (A) Schematic illustration of the process, which involves the immobilization of PFS36-b-P2VP502 seeds (Ln = 139 nm, Lw/Ln = 1.04) on a silicon wafer ....

Continue reading

Superconductivity theory under attack

Credit: Leiden University Measurements on a superconducting material show an abrupt transition between a normal metal and a "strange" metal. The really strange thing, however, is that this abruptness disappears when the temperature falls. "We ....

Continue reading

Faster modeling of interactions between ligands and proteins

RIKEN researchers have used an enhanced molecular dynamics simulation to simulate the interaction between tyrosine kinase Src, a signaling protein in cells that can turn on protein synthesis and cellular growth, and an inhibitor (magenta), ....

Continue reading