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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars： Solution Landscapes of Nematic Liquid Crystal Systems
向列 液晶系统 解决方案
2023/5/6
Nematic liquid crystals (NLCs) are anisotropic material intermediate that combines the fluidity of liquids with the orientational order of solids. NLCs are best known for their applications in the thr...
Researchers from Cornell’s School of Applied and Engineering Physics and Samsung’s Advanced Institute of Technology have created a first-of-its-kind metalens – a metamaterial lens – that can be focuse...
Physicists find first possible 3D quantum spin liquid（图）
Physicists 3D quantum spin liquid
2019/10/23
There's no known way to prove a 3D "quantum spin liquid" exists, so Rice University physicists and their collaborators did the next best thing. They showed that single crystals of cerium zirconium pyr...
Penn Researchers Demonstrate How to Control Liquid Crystal Patterns（图）
Penn Researchers Liquid Crystal Patterns
2017/11/23
When Lisa Tran set out to investigate patterns in liquid crystals, she didn’t know what to expect. When she first looked through the microscope, she saw dancing iridescent spheres with fingerprint-lik...
We identify and characterize a new class of fingering instabilities in liquid metals; these instabilities are unexpected due to the large interfacial tension of metals. Electrochemical oxidation lower...
'Perfect Liquid' Quark-Gluon Plasma is the Most Vortical Fluid（图）
Perfect Liquid Quark-Gluon Plasma Most Vortical Fluid
2017/9/1
Particle collisions recreating the quark-gluon plasma (QGP) that filled the early universe reveal that droplets of this primordial soup swirl far faster than any other fluid. The new analysis of data ...
Penn Physicists Discover Why Drying Liquid Crystal Drops Leave Unusual “Coffee Rings”（图）
Penn Physicists Drying Liquid Crystal Drops Coffee Rings
2017/7/21
In previous papers, University of Pennsylvania physicists investigated the “coffee ring effect,” the ring-shaped stain of particles left after drops of coffee evaporate. In one paper, they learned how...
‘Spooky’ Sightings in Crystal Point to Extremely Rare Quantum Spin Liquid
Spooky Sightings Crystal Point Quantum Spin Liquid
2016/12/13
Inside a new exotic crystal, physicist Martin Mourigal has observed strong indications of “spooky” action, and lots of it. The results of his experiments, if corroborated over time, would mean th...
Unusual quantum liquid on crystal surface could inspire future electronics
Unusual quantum liquid crystal surface future electronics
2016/11/4
For the first time, an experiment has directly imaged electron orbits in a high-magnetic field, illuminating an unusual collective behavior in electrons and suggesting new ways of manipulating the cha...
Symposium PM2—Plasma Processing via Liquid for Life Sciences and Environmental Applications
plasma plasma applications
2016/7/21
Nowadays plasma impacts many areas in life sciences and environmental applications including medicine, biology, agriculture, environmental remediation and so on, which were regarded as out of field in...
A mechanistic model of heat transfer for gas–liquid flow in vertical wellbore annuli
Gas–liquid flow Vertical annuli Heat transfer Tubing liquid film Casing liquid film
2018/4/2
The most prominent aspect of multiphase flow is the variation in the physical distribution of the phases in the flow conduit known as the flow pattern. Several different flow patterns can exist under ...
Frustrated Spin Model as a Hard-Sphere Liquid
D topology antiferromagnetic ising model triangle lattice hard sphere fluid to the quantum spin dynamics
2014/12/20
We show that one-dimensional topological objects (kinks) are natural degrees of freedom for an antiferromagnetic Ising model on a triangular lattice. Its ground states and the coexistence of spin orde...
New evidence for zero-temperature relaxation in a spin-polarized Fermi liquid
The experiment report parameters and coefficients
2014/12/20
Spin-echo experiments are reported for 3He-4He solutions under extremely high B/T conditions, B=14.75 T and T≥1.73 mK. The 3He concentration x3 was adjusted close to the valu...
Luttinger Liquid in the Core of a Screw Dislocation in Helium-4
Monte carlo simulation hexagonal shaft screw crystals superfluids screw dislocation
2014/12/20
On the basis of first-principles Monte Carlo simulations we find that the screw dislocation along the hexagonal axis of an hcp 4He crystal features a superfluid (at T→0) core. This is the first exampl...
Giant viscosity enhancement in a spin-polarized fermi liquid
Fermi liquid viscosity mixture high magnetic field
2014/12/20
The viscosity is measured for a Fermi liquid, a dilute 3He-4He mixture, under extremely high magnetic field/temperature conditions (B≤14.8 T, T≥1.5 mK). The spin-splitting en...