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Article overview
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Emergent SO(3) Symmetry of the Frictionless Shear Jamming Transition | Marco Baity-Jesi
; Carl P. Goodrich
; Andrea J. Liu
; Sidney R. Nagel
; James P. Sethna
; | Date: |
1 Sep 2016 | Abstract: | We study the shear jamming of athermal frictionless soft spheres, and find
that in the thermodynamic limit, a shear-jammed state exists with different
elastic properties from the isotropically-jammed state. For example,
shear-jammed states can have a non-zero residual shear stress in the
thermodynamic limit that arises from long-range stress-stress correlations. As
a result, the ratio of the shear and bulk moduli, which in isotropically-jammed
systems vanishes as the jamming transition is approached from above, instead
approaches a constant. Despite these striking differences, we argue that in a
deeper sense, the shear jamming and isotropic jamming transitions actually have
the same symmetry, and that the differences can be fully understood by rotating
the six-dimensional basis of the elastic modulus tensor. | Source: | arXiv, 1609.0280 | Services: | Forum | Review | PDF | Favorites |
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