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Excited State
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8NJK73IG4BN
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Geliefert zwischen Mi., 26.11.2025 und Do., 27.11.2025
Details
Excitation is an elevation in energy level above an arbitrary baseline energy state. In physics there is a specific technical definition for energy level which is often associated with an atom being excited to an excited state. In quantum mechanics an excited state of a system (such as an atom, molecule or nucleus) is any quantum state of the system that has a higher energy than the ground state (that is, more energy than the absolute minimum). The temperature of a group of particles is indicative of the level of excitation. The lifetime of a system in an excited state is usually short: spontaneous or induced emission of a quantum of energy (such as a photon or a phonon) usually occurs shortly after the system is promoted to the excited state, returning the system to a state with lower energy (a less excited state or the ground state). This return to a lower energy level is often loosely described as decay and is the inverse of excitation.
Weitere Informationen
- Allgemeine Informationen
- GTIN 09786130728656
- Editor Frederic P. Miller, Agnes F. Vandome, John McBrewster
- Genre Physik & Astronomie
- EAN 9786130728656
- Format Fachbuch
- Titel Excited State
- Herausgeber Alphascript Publishing
- Anzahl Seiten 144
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