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domingo, junho 13, 2010

A massa crítica para grupos de pesquisa


Critical mass and the dependency of research quality on group size

Academic research groups are treated as complex systems and their cooperative behaviour is analysed from a mathematical and statistical viewpoint. Contrary to the naive expectation that the quality of a research group is simply given by the mean calibre of its individual scientists, we show that intra-group interactions play a dominant role. Our model manifests phenomena akin to phase transitions which are brought about by these interactions, and which facilitate the quantification of the notion of critical mass for research groups. We present these critical masses for many academic areas. A consequence of our analysis is that overall research performance of a given discipline is improved by supporting medium-sized groups over large ones, while small groups must strive to achieve critical mass.
Comments:14 pages, 6 figures consisting of 16 panels
Subjects:Physics and Society (physics.soc-ph); Statistical Mechanics (cond-mat.stat-mech)
Cite as:arXiv:1006.0928v1 [physics.soc-ph]

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