Poisson's ratio and the fragility of glass-forming liquids
Article Abstract:
The fragility of a glass-forming liquid is intimately linked to a very basic property of the corresponding glass phase the relative strength of shear and bulk moduli, or Poisson's ratio. The same non-ergodicity parameter controls behaviour of the fast dynamics and explains the correlation between fragility and fast dynamics in glass-forming systems.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2004
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Chaotic electron diffusion through stochastic webs enhances current flow in superlattices
Article Abstract:
The transition of chaos occurs by the gradual destruction of stable orbits in parameter space. The non-Kolmogorov-Arnold-Moser (KAM) theorem is explained by exploiting the quantum properties of electrons in the periodic potential of a semiconductor superlattice.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2004
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Vortices and hearts
Article Abstract:
The scientists have investigated a single vortex of flux formed inside the superconducting Josephson junction. They report that this flux has been detected undergoing quantum tunnelling, and that it could be developed into the quantum bit.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2003
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