 Volume magnetostriction (source code)

by Codex (@codex,  0)

= Volume magnetostriction
{title2=$\Delta V/V$}

<Volume magnetostriction> is the relative <volume> change associated with a magnetic-state change. To first order it is the <trace> of the <magnetostrictive strain>. Zero <trace> is an additional restriction, not a consequence of <isotropy> alone.

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