A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.

A theoretical ideal thermodynamic cycle which provides an upper limit on the efficiency that any classical thermodynamic engine can achieve during the conversion of heat into work, or conversely, the …
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Use for force carrier particles, quanta of characteristic quantum fields, usually gauge fields, such as the quanta of electromagnetic fields (photons), of the electroweak interactions (EW bosons), a…
A small attractive force that acts between two close parallel uncharged conducting plates, resulting from the quantum fluctuations of the field.
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The influence one event, process, or state, has on another event, process, or state, whereby the latter is at least partly dependent on the former.
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Cavity QED is the study of quantum effects in cavities, waveguides or resonators, which enhance the interaction between light and matter.
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Celestial Mechanics is the branch of astronomy devoted to the study of the motion of the celestial bodies on the basis of the laws of gravitation.
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for questions regarding to "cellular automaton" which is a deterministic rewriting dynamical system that evolves in discrete time and discrete space, this latter usually a grid. Probabilis…
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Centrifugal force is an inertial (pseudo or fictious) force used in a non-inertial frame of reference in order to apply the Newton's laws of motion. If your question is about centripetal force, which …
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any force responsible for maintaining an object on a curved path around a fixed center. In introductory coursework this is usually "uniform circular motion" and yields several simple and useful relati…
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Chaos theory is the study of systems that are highly sensitive to slight, even imperceptible changes in initial conditions. This is popularly known as the butterfly effect. Many natural systems exhibi…
A fundamental property of matter which causes it to experience electromagnetic forces.
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Chemical Potential; which is a form of potential energy that can be absorbed or released during a chemical reaction applies to questions in thermodynamics where a chemical potential is the subject of …
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A chemostat (http://en.wikipedia.org/wiki/Chemostat) is a device to grow a cell culture in equilibrium.
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the electromagnetic shock-wave due to a charged particle traveling through a medium faster than the speed of light in that medium.
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Chern-Simons theory is an example of a topological quantum field theory. Its describes the field dynamics through the so-called Chern-Simons-form, hence its name.
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Chirality is defined through the ±1 eigenvalue under action of γ^5 on ψ, a Dirac field thus projected into its left- or right-handed component by the projection operators (1−γ^5)/2 or (1+γ^5)/2…
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