Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Exactly solvable model of sliding in metallic glass   At low temperature, T -> 0, the yield stress of a perfect crystal is equal to
its so called theoretical strength. The yield stress of non-perfect crystals is
controlled by the stress threshold of dislocation mobility. A non-crystalline
solid has neither an ideal structure nor gliding dislocations. Its yield
stress, i.e. the stress at which the macroscopic inelastic deformation starts,
depends on distribution of local, attributed to each atomic site, critical
stresses at which the local inelastic deformation occurs. We describe exactly
solvable model of planar layer strength and sliding with an arbitrary
homogeneous distribution of local critical stresses. The macroscopic stress
threshold of the athermal sliding is found. Kinetics of thermally-activated
creep of the sliding layer is described. The rate of the thermally activated
sliding is tightly connected with parameters of the low temperature strength.
The sliding activation volume scales with the applied external stress as ~
\sigma ^-\beta, where \beta <1. The proposed model accounts for mechanisms and
the yield stress of the low temperature deformation of polycluster metallic
glasses, since intercluster boundaries of a polycluster metallic glass are
natural sliding layers of the described type.

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The categories of this paper are: nucl-th
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The categories of this paper are: dg-ga
14
The categories of this paper are: math-ph
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The categories of this paper are: eess
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The categories of this paper are: cmp-lg
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The categories of this paper are: quant-ph
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The categories of this paper are: adap-org
29
The categories of this paper are: funct-an
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The categories of this paper are: hep-ex
35
The categories of this paper are: mtrl-th
0
The categories of this paper are: hep-ph
32
The categories of this paper are: atom-ph
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The categories of this paper are: math
31
The categories of this paper are: ao-sci
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The categories of this paper are: astro-ph
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The categories of this paper are: patt-sol