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The renormalization group is intimately related to scale invariance and conformal invariance, symmetries in which a system appears the same at all scales (self-similarity), [a] where under the fixed point of the renormalization group flow the field theory is conformally invariant.
Group dynamics is a system of behaviors and psychological processes occurring within a social group (intragroup dynamics), or between social groups (intergroup dynamics). The study of group dynamics can be useful in understanding decision-making behaviour, tracking the spread of diseases in society, creating effective therapy techniques, and ...
A Gaussian fixed point is a fixed point of the renormalization group flow which is noninteracting in the sense that it is described by a free field theory. [1] The word Gaussian comes from the fact that the probability distribution is Gaussian at the Gaussian fixed point.
In statistical mechanics, a universality class is a collection of mathematical models which share a single scale-invariant limit under the process of renormalization group flow. While the models within a class may differ dramatically at finite scales, their behavior will become increasingly similar as the limit scale is approached.
Group flow (or team flow) is notably different from independent flow, as it is inherently mutual. Group flow is attainable when the performance unit is a group, such as a team or musical group. When groups cooperate to agree on goals and patterns, social flow, commonly known as group cohesion, is much more likely to occur.
Groupthink is sometimes stated to occur (more broadly) within natural groups within the community, for example to explain the lifelong different mindsets of those with differing political views (such as "conservatism" and "liberalism" in the U.S. political context [7] or the purported benefits of team work vs. work conducted in solitude). [8]
The implications of group development and history for group support system theory and practice. Small Group Research, 23(4), 524–572. Moreland, R. L., & Levine, J. M. (1988) Group dynamics over time: Development and socialization in small groups.
Renormalization group flow in the theory space of all possible couplings allowed by symmetries. As the sliding scale k {\displaystyle k} is lowered, the flowing action Γ k {\displaystyle \Gamma _{k}} evolves in the theory space according to the functional flow equation.