Eric C. Le Ru is at the MacDiarmid Institute for Advanced Materials and Nanotechnology, School of Chemical and Physical Sciences, Victoria University of Wellington, Wellington 6140, New Zealand.

A nonlinear, conservative system having two degrees of freedom is considered. The potential energy is subject to certain restrictions which are consistent with the strain energy of springs. Then, the ...

Image: Normal modes of vibration progressing through a crystal (with exagerrated amplitude motion). The idea of phonons was first introduced in 1932 by a Russian physicist named Igor Tamm. Simply put, ...

Panta Rhei – everything flows – said Heraclites, describing the impermanence of the world. He might well have said “everything vibrates”. From subatomic particles to the farthest reaches of the cosmos ...

Journal of Chemical Physics2024 DOI: https://doi.org/10.1063/5.0202441 One of the most reactive intermediates for oxidative reactions is the oxyl radical, an electron ...