Use the Bohr magnetonμB = eU/2m = 9.27 x10-24 J/T as a typical magnetic moment and B= 0.50 T to do the following: (a) Find the temperature T at whichμB = 0.1kT. (b) For μB = 0.1kT compare tanh(bμB) with bmB and thereby check the suitability of this value of T as a “classical” temperature. (c) Make the same comparison in the expression tanh(bμB) ≈bμB at T= 100 K.
Use the Bohr magnetonμB = eU/2m = 9.27 x10-24 J/T as a typical magnetic moment and B= 0.50 T to do the following: (a) Find the temperature T at whichμB = 0.1kT. (b) For μB = 0.1kT compare tanh(bμB) with bmB and thereby check the suitability of this value of T as a “classical” temperature. (c) Make the same comparison in the expression tanh(bμB) ≈bμB at T= 100 K.
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Use the Bohr magnetonμB = eU/2m = 9.27 x10-24 J/T as a typical magnetic moment and B= 0.50 T to do the following:
(a) Find the temperature T at whichμB = 0.1kT.
(b) For μB = 0.1kT compare tanh(bμB) with bmB and thereby check the suitability of this value of T as a “classical” temperature.
(c) Make the same comparison in the expression tanh(bμB) ≈bμB at T= 100 K.
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