Effective temperature and compactivity of a lattice-gas under gravity
Mauro Sellitto
TL;DR
This paper explores the concepts of effective temperature and compactivity in a lattice-gas model of granular materials under gravity, examining their relationship during compaction with weak thermal vibrations.
Contribution
It introduces a theoretical analysis linking effective temperature and Edwards compactivity in a simplified granular model under gravity.
Findings
Effective temperature correlates with compactivity during compaction.
Gravity influences the relationship between temperature and compactivity.
The model provides insights into granular material behavior under weak vibrations.
Abstract
The notion of longitudinal effective temperature and its relation with the Edwards compactivity are investigated in an abstract lattice gas model of granular material compacting under gravity and weak thermal vibration.
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