macroscopic field

  • 1Field electron emission — It is requested that a diagram or diagrams be included in this article to improve its quality. For more information, refer to discussion on this page and/or the listing at Wikipedia:Requested images. Field emission (FE) (also known as field… …

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  • 2Field emission — (FE) is the emission of electrons from the surface of a condensed phase into another phase due to the presence of high electric fields. In this phenomenon, electrons with energies below the Fermi level tunnel through the potential barrier at the… …

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  • 3Magnetic field — This article is about a scientific description of the magnetic influence of an electric current or magnetic material. For the physics of magnetic materials, see magnetism. For information about objects that create magnetic fields, see magnet. For …

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  • 4Electric field — In physics, the space surrounding an electric charge or in the presence of a time varying magnetic field has a property called an electric field (that can also be equated to electric flux density). This electric field exerts a force on other… …

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  • 5Force field (chemistry) — In the context of molecular mechanics, a force field (also called a forcefield) refers to the functional form and parameter sets used to describe the potential energy of a system of particles (typically but not necessarily atoms). Force field… …

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  • 6Electric displacement field — In physics, the electric displacement field, denoted as , is a vector field that appears in Maxwell s equations. It accounts for the effects of free charges within materials. D stands for displacement, as in the related concept of displacement… …

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  • 7Torsion field — Infobox Pseudoscience topics=Physics claims=Spin spin interaction can be transmitted through space at speeds of at least up to 109 the speed of light via a special kind of field, making possible FTL travel, ESP, homeopathy, levitation, and other… …

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  • 8involved field — in radiotherapy, as for malignant lymphoma, the irradiated area when irradiation has been limited to sites of detectable macroscopic disease …

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  • 9Atom — The atom is the smallest unit of an element that retains the chemical properties of that element. An atom has an electron cloud consisting of negatively charged electrons surrounding a dense nucleus. The nucleus contains positively charged… …

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  • 10Carbon nanobud — Computer models of several stable nanobud structures In nanotechnology, carbon nanobuds form a material (discovered and synthesized in 2006) which combines two previously discovered allotropes of carbon: carbon nanotubes and spheroidal fullerenes …

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