期刊
PHYSICAL REVIEW LETTERS
卷 114, 期 25, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.114.258102
关键词
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资金
- European Research Council under the European Community's seventh Framework Programme (FP7)/ERC [240487]
- Spanish government [BES-2012-054895]
The microscopic stress field provides a unique connection between atomistic simulations and mechanics at the nanoscale. However, its definition remains ambiguous. Rather than a mere theoretical preoccupation, we show that this fact acutely manifests itself in local stress calculations of defective graphene, lipid bilayers, and fibrous proteins. We find that popular definitions of the microscopic stress violate the continuum statements of mechanical equilibrium, and we propose an unambiguous and physically sound definition.
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