Results 291 to 300 of about 323,104 (323)

Melting and Crystallization Temperatures of Ethylene‐Octene Block Copolymers in Compressed Carbon Dioxide and Nitrogen

open access: yesJournal of Applied Polymer Science, EarlyView.
ABSTRACT Melting and crystallization temperatures of poly(ethylene‐co‐octene) and a lightly crosslinked form of the polymer have been measured in both carbon dioxide and nitrogen over a pressure range up to 200 bar. The measurements have been made by high‐pressure torsional braid analysis. Swelling with and sorption of CO2 and N2 in these polymers were
Dawn D. Rhee   +3 more
wiley   +1 more source

Path Integral Spin Dynamics for Quantum Paramagnets

open access: yesAdvanced Physics Research, EarlyView.
The study has developed a path integral method, which is a classical approach, combined with atomistic spin dynamics simulations to calculate thermal quantum expectation values. This method can handle Hamiltonians with non‐linear terms, which are important for describing uniaxial anisotropies and mechanical constraints.
Thomas Nussle   +2 more
wiley   +1 more source

Singular Electromagnetics: From Phase Singularities to Optical Skyrmions and Beyond

open access: yesAdvanced Physics Research, EarlyView.
Singular electromagnetics/optics studies multidimensional topological defects of electromagnetic fields (also known as optical singularities), including phase and polarization singularities, 3D singularities (e.g., optical skyrmions, merons, hopfions, knots, links, and Möbius strips), and even higher‐dimensional singularities.
Jie Yang   +3 more
wiley   +1 more source

On Self-Similar Converging Shock Waves. [PDF]

open access: yesArch Ration Mech Anal
Jang J, Liu J, Schrecker M.
europepmc   +1 more source

Structured Light Fields with 2D Tunable Indices Generated in a Raman Microchip Laser

open access: yesAdvanced Physics Research, EarlyView.
HGm,n modes with 2D tunable indices of m up to 14 and n up to 2 oscillated in a highly efficient Yb:YAG/YVO4 Raman microchip laser pumped with a rectangular beam with a suitable ratio of wx/wy. High‐order LGp,l optical vortices with 2D tunable radial index p up to 2, and azimuthal index up to 14 are converted with an astigmatic mode convertor ...
Ye Zhang   +5 more
wiley   +1 more source

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