cooperative phenomenon

cooperative phenomenon

[kō′äp·rəd·iv fə′näm·ə‚nän]
(solid-state physics)
A process that involves a simultaneous collective interaction among many atoms or electrons in a crystal, such as ferromagnetism, superconductivity, and order-disorder transformations.
References in periodicals archive ?
In the glassy state, the molecular relaxation process is a cooperative phenomenon and one structural unit is allowed to move only if a certain number of neighboring structural units are engaged in the same process (7).
Sexual reproduction, one of the major outstanding puzzles in evolutionary theory, is also a cooperative phenomenon, as the term is used here.
Of particular interest to us is the appearance of 1/f noise, which provides a clear indication of some sort of collective effect, or cooperative phenomenon, present in the process that generates the signal (22).

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