As a mechanism for downward transitions, spontaneous emission competes with thermally stimulated emission (stimulated emission for which
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As a mechanism for downward transitions, spontaneous emission competes with thermally stimulated emission (stimulated emission for which blackbody radiation is the source). Show that at room temperature (T = 300 K) thermal stimulation dominates for frequencies well below 5 x1012 Hz, whereas spontaneous emission dominates for frequencies well above 5 x1012 Hz. Which mechanism dominates for visible light?
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The ratio is a monotonically increasing function of and is 1 when ...View the full answer
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Related Book For 
Introduction To Quantum Mechanics
ISBN: 9781107189638
3rd Edition
Authors: David J. Griffiths, Darrell F. Schroeter
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