Macromolecular diffusion in homogeneous fluid at length scales greater than the size of the molecule is regarded as a random process. The mean-squared displacement (MSD) of molecules in this regime ...
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Catching excitons in motion—ultrafast dynamics in carbon nanotubes revealed by nano-infrared spectroscopy
A research team has successfully visualized the ultrafast dynamics of quasi-particles known as excitons, which are generated in carbon nanotubes (CNTs) upon light excitation. This was achieved with ...
Shown below is an animation of the motion of A and B as seen by a stationary observer. The paths of A and B are straight, as expected, with the speed of B increasing in time. View of B as seen by an ...
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