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Collective representations are concepts, ideas, categories and beliefs that do not belong to isolated individuals, but are instead the product of a social collectivity. [1] Émile Durkheim (1858-1917) originated the term "collective representations" to emphasise the way that many of the categories of everyday use–space, time, class, number etc–were in fact the product of collective social ...
Collective motion is defined as the spontaneous emergence of ordered movement in a system consisting of many self-propelled agents. It can be observed in everyday life, for example in flocks of birds , schools of fish , herds of animals and also in crowds and car traffic.
In condensed matter physics, a quasiparticle is a concept used to describe a collective behavior of a group of particles that can be treated as if they were a single particle. Formally, quasiparticles and collective excitations are closely related phenomena that arise when a microscopically complicated system such as a solid behaves as if it ...
A phonon is a collective excitation in a periodic, elastic arrangement of atoms or molecules in condensed matter, specifically in solids and some liquids.A type of quasiparticle in physics, [1] a phonon is an excited state in the quantum mechanical quantization of the modes of vibrations for elastic structures of interacting particles.
Social representations, therefore, are depicted as both the process and the result of social construction. In the socio-cognitive activity of representation that produces representations, social representations are constantly converted into a social reality while continuously being re-interpreted, re-thought, re-presented. [6] [7]
In The Rules of Sociological Method Durkheim laid out a theory of sociology as "the science of social facts". He considered social facts to "consist of representations and actions" which meant that "they cannot be confused with organic phenomena, nor with physical phenomena, which have no existence save in and through the individual consciousness."
For example, mythology offers many examples of the "dual mother" narrative, according to which a child has a biological mother and a divine mother. Therefore, argues Jung, Freudian psychoanalysis would neglect important sources for unconscious ideas, in the case of a patient with neurosis around a dual-mother image.
The two-dimensional "spin 1/2" representation of the Lie algebra so(3), for example, does not correspond to an ordinary (single-valued) representation of the group SO(3). (This fact is the origin of statements to the effect that "if you rotate the wave function of an electron by 360 degrees, you get the negative of the original wave function.")