critical exponent

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• Critical exponent — Critical exponents describe the behaviour of physical quantities near continuous phase transitions. It is believed, though not proven, that they are universal, i.e. they do not depend on the details of the physical system, but only on the… …   Wikipedia

• Critical phenomena — In physics, critical phenomena is the collective name associated with the physics of critical points. Most of them stem from the divergence of the correlation length, but also the dynamics slows down. Critical phenomena include scaling relations… …   Wikipedia

• Critical temperature — The critical temperature, Tc, of a material is the temperature above which distinct liquid and gas phases do not exist. As the critical temperature is approached, the properties of the gas and liquid phases become the same resulting in only one… …   Wikipedia

• Critical dimension — For the minimum feature size in photolithography, see Photolithography. In the renormalization group analysis of phase transitions in physics, a critical dimension is the dimensionality of space at which the character of the phase transition… …   Wikipedia

• Purdue Exponent — Infobox Newspaper name = caption = The January 20, 2006 front page of The Exponent type = Daily independent student newspaper format = Broadsheet foundation = 1889 owners = Purdue Student Publishing Foundation headquarters = 460 Northwestern… …   Wikipedia

• Kritischer Exponent — Kritische Exponenten werden in der Theorie der kontinuierlichen Phasenübergänge zur Beschreibung des Verhaltens eines physikalischen Systems in der Nähe des kritischen Punktes und zur Klassifizierung des Phasenüberganges in Universalitätsklassen… …   Deutsch Wikipedia

• Power law — A power law is any polynomial relationship that exhibits the property of scale invariance. The most common power laws relate two variables and have the form:f(x) = ax^k! +o(x^k),where a and k are constants, and o(x^k) is of x. Here, k is… …   Wikipedia

• Phase transition — This diagram shows the nomenclature for the different phase transitions. A phase transition is the transformation of a thermodynamic system from one phase or state of matter to another. A phase of a thermodynamic system and the states of matter… …   Wikipedia

• Scale invariance — In physics and mathematics, scale invariance is a feature of objects or laws that do not change if length scales (or energy scales) are multiplied by a common factor. The technical term for this transformation is a dilatation (also known as… …   Wikipedia

• Conductivity near the percolation threshold — In a mixture between a dielectric and a metallic component, the conductivity σ and the dielectric constant ε of this mixture show a critical behavior if the fraction of the metallic component reaches the percolation threshold.[1] The behavior of… …   Wikipedia

• Universality (dynamical systems) — In statistical mechanics, universality is the observation that there are properties for a large class of systems that are independent of the dynamical details of the system. Systems that display universality tend to be chaotic and often have a… …   Wikipedia