phase transitions

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• PHASE (TRANSITIONS DE) — Les premières transitions de phase observées ont été des changements d’état tels que la fusion de la glace ou la vaporisation de l’eau. Lors d’un changement d’état, le système, au sens de la thermodynamique, se présente comme la réunion de deux… …   Encyclopédie Universelle

• Timeline of states of matter and phase transitions — Timeline of states of matter and phase transitions* 1895 Pierre Curie discovers that induced magnetization is proportional to magnetic field strength * 1911 Heike Kamerlingh Onnes discloses his research on superconductivity * 1912 Peter Debye… …   Wikipedia

• Photoinduced phase transitions — Photoinduced phase transition is a process to the nonequilibrium phases generated from an equilibrium by shining on high energy photons, and the nonequilibrium phase is a macroscopic excited domain that has new structural and electronic orders… …   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

• Phase (matter) — In the physical sciences, a phase is a region of space (a thermodynamic system), throughout which all physical properties of a material are essentially uniform.[1] Examples of physical properties include density, index of refraction, and chemical …   Wikipedia

• Phase diagram — In physical chemistry, mineralogy, and materials science, a phase diagram is a type of graph used to show the equilibrium conditions between the thermodynamically distinct phases. In mathematics and physics, a phase diagram also has an… …   Wikipedia

• Phase field models — A phase field model is a mathematical model for solving interfacial problems. It has been mainly applied to solidification dynamics, [ [http://arjournals.annualreviews.org/doi/abs/10.1146/annurev.matsci.32.101901.155803 WJ. Boettinger et al.… …   Wikipedia

• Phase congruency — is a measure of feature significance in computer images, a method of edge detection that is particularly robust against changes in illumination and contrast.FoundationsPhase congruency reflects the behaviour of the image in the frequency domain.… …   Wikipedia

• Table of Phase Transitions — {| class= wikitable To !align = center |From!align = center |Solid!align = center |Liquid!align = center |Gas!align = center |Plasma !align = left |Solid align = center |N/A align = center |Melting align = center |Sublimation align = center |… …   Wikipedia

• Transitions de phase — Transition de phase En physique, une transition de phase est une transformation du système étudié provoquée par la variation d un paramètre extérieur particulier (température, champ magnétique...). Cette transition a lieu lorsque le paramètre… …   Wikipédia en Français

• Phase-locked loop — PLL redirects here. For other uses, see PLL (disambiguation). A phase locked loop or phase lock loop (PLL) is a control system that generates an output signal whose phase is related to the phase of an input reference signal. It is an electronic… …   Wikipedia