absorbed quantum

См. также в других словарях:

• Quantum yield — The quantum yield of a radiation induced process is the number of times that a defined event occurs per photon absorbed by the system. Thus, the quantum yield is a measure of the efficiency with which absorbed light produces some effect.For… …   Wikipedia

• quantum efficiency — noun also quantum yield : the ratio of the number of photoelectrons released in a photoelectric process to the number of radiation quanta absorbed * * * quantum efficiency noun In a photocell or in photosynthesis, the number of electrons released …   Useful english dictionary

• quantum mechanics — quantum mechanical, adj. Physics. a theory of the mechanics of atoms, molecules, and other physical systems that are subject to the uncertainty principle. Abbr.: QM Cf. nonrelativistic quantum mechanics, relativistic quantum mechanics. [1920 25]… …   Universalium

• Quantum efficiency — (QE) is a quantity defined for a photosensitive device such as photographic film or a charge coupled device (CCD) as the percentage of photons hitting the photoreactive surface that will produce an electron–hole pair [… …   Wikipedia

• Quantum decoherence — Quantum mechanics Uncertainty principle …   Wikipedia

• Quantum efficiency of a solar cell — Quantum efficiency (QE) is the ratio of the number of charge carriers collected by the solar cell to the number of photons of a given energy shining on the solar cell. QE therefore relates to the response of a solar cell to the various… …   Wikipedia

• Quantum gravity — is the field of theoretical physics attempting to unify quantum mechanics, which describes three of the fundamental forces of nature (electromagnetism, weak interaction, and strong interaction), with general relativity, the theory of the fourth… …   Wikipedia

• Quantum superposition — is the fundamental law of quantum mechanics. It defines the allowed state space of a quantum mechanical system.In Probability theory, every possible event has a positive number associated to it, the probability, which gives the chance that it… …   Wikipedia

• Quantum electronics — is the area of physics dealing with the effects of quantum mechanics on the behaviour of electrons in matter, and their interactions with photons.It is today rarely considered a subfield in its own right, as it has been absorbed by other fields:… …   Wikipedia

• quantum theory — n. the theory that energy is not absorbed or radiated continuously but discontinuously, and only in multiples of definite, indivisible units (quanta) …   English World dictionary

• quantum — /kwon teuhm/, n., pl. quanta / teuh/, adj. n. 1. quantity or amount: the least quantum of evidence. 2. a particular amount. 3. a share or portion. 4. a large quantity; bulk. 5. Physics. a. the smallest quantity of radiant energy, equal to Planck… …   Universalium