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Effect of Poisson ratio on cellular structure formation | | Ilka B. Bischofs
; Ulrich S. Schwarz
; | | Date: |
5 Apr 2005 | | Journal: | Phys. Rev. Lett. 95: 068102 (2005) DOI: 10.1103/PhysRevLett.95.068102 | | Subject: | Soft Condensed Matter; Materials Science; Cell Behavior | cond-mat.soft cond-mat.mtrl-sci q-bio.CB | | Affiliation: | Heidelberg University and MPI Colloids and Interfaces | | Abstract: | Mechanically active cells in soft media act as force dipoles. The resulting elastic interactions are long-ranged and favor the formation of strings. We show analytically that due to screening, the effective interaction between strings decays exponentially, with a decay length determined only by geometry. Both for disordered and ordered arrangements of cells, we predict novel phase transitions from paraelastic to ferroelastic and anti-ferroelastic phases as a function of Poisson ratio. | | Source: | arXiv, cond-mat/0504097 | | Other source: | [GID 240057] pmid16090996 | | Services: | Forum | Review | PDF | Favorites | |
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