Somewhat refined-the basic set of oscillators was taken to be standing sound To explain the anomalous low temperature behavior, EinsteinĪssumed each atom to be an independent (quantum) simple harmonic oscillator,Īnd, just as for black body radiation, he assumed the oscillators could onlyĬonsequently, at low enough temperatures there is rarely sufficientĮnergy in the ambient thermal excitations to excite the oscillators, and theyįreeze out, just as blue oscillators do in low temperature black body Specific heat should remain more or less constant as the temperature was Ways, predicted no such drop-with the standard equipartition of energy, k T in each mode (potential plus kinetic), the Classical thermodynamics, a very successful theory in many Long-standing puzzle in solid state physics -the mysterious drop in specific heat of all solids at Same principle to the simple harmonic oscillator, thereby solving a In a potential 1 2 k x 2 , is an excellent model for a wide range ofĪfter Planck’s discovery that the black body radiation spectrum could beĮxplained by assuming energy to be exchanged in quanta, Einstein applied the The simple harmonic oscillator, a nonrelativistic particle Michael Fowler Einstein’s Solution of the Specific Heat Puzzle
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