How do spin orientations change during adiabatic demagnetization of paramagnet?
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Step (1) As B1B1 increases to B2B2, more spins get aligned due to the stronger field and entropy which is a measure of disorder falls. The occupation levels in +spin direction increase.
Step (2) Opposite happens? Some spins revert back to random orientation.
Step (3) As temperature is increased while B is fixed, there are more thermal fluctuations in the occupation levels.
Step (2) Opposite happens? Some spins revert back to random orientation.
Step (3) As temperature is increased while B is fixed, there are more thermal fluctuations in the occupation levels.
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(1)->(2)->(3)
Step (1) As increases to , more spins get aligned due to the stronger field and entropy which is a measure of disorder falls. The occupation levels in +spin direction increase.
Step (2) Opposite happens?
Some spins revert back to random orientation.
Step (3) As temperature is increased while B is fixed, there are more thermal fluctuations in the occupation levels
Step (1) As increases to , more spins get aligned due to the stronger field and entropy which is a measure of disorder falls. The occupation levels in +spin direction increase.
Step (2) Opposite happens?
Some spins revert back to random orientation.
Step (3) As temperature is increased while B is fixed, there are more thermal fluctuations in the occupation levels
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