Densest versus jammed packings of two-dimensional bent-core trimers

AD Griffith and RS Hoy, PHYSICAL REVIEW E, 98, 042910 (2018).

DOI: 10.1103/PhysRevE.98.042910

We identify the maximally dense lattice packings of tangent-disk trimers with fixed bond angles (theta =theta(0)) and contrast them to both their nonmaximally-dense-but-strictly-jammed lattice packings as well as the disordered jammed states they form for a range of compression protocols. While only theta(0) = 0, 60 degrees, and 120 degrees trimers can form the triangular lattice, maximally-dense maximally-symmetric packings for all theta(0) fall into just two categories distinguished by their bond topologies: half-elongated-triangular for 0

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