Excited state
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Excited State
Excited state (pronunciation: /ɪkˈsaɪtɪd steɪt/) is a term used in Quantum Mechanics to describe an atom, ion, or molecule that has a higher energy than its ground state.
Etymology
The term "excited state" originates from the Latin word "excitare" which means "to rouse" or "to stir up". In the context of quantum mechanics, it refers to the state of a particle that has been "stirred up" or "roused" to a higher energy level.
Related Terms
- Ground State: The lowest energy state of an atom, ion, or molecule.
- Quantum Mechanics: A branch of physics dealing with physical phenomena at microscopic scales, where the action is on the order of the Planck constant.
- Energy Level: The quantized energy states of an atom, ion, or molecule.
- Quantum State: The state of a quantum mechanical system given by a vector in the system's Hilbert space.
- Quantum Jump: A change of an electron from one quantum state to another within an atom.
See Also
External links
- Medical encyclopedia article on Excited state
- Wikipedia's article - Excited state
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