deletions | additions       diff --git a/subsection_Varying_the_Polarization_time__.tex b/subsection_Varying_the_Polarization_time__.tex  index afa220b..aa3aef8 100644  --- a/subsection_Varying_the_Polarization_time__.tex  +++ b/subsection_Varying_the_Polarization_time__.tex 
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\subsection{Varying the Polarization time}  When an external field B is applied to a sample, the magnetization M exponentially approaches the equilibrium magnetization. The magnetization does not assume the equilibrium value instantaneously. The  relationship between the polarization time and the voltage is described by the growth rate. The growth rate of M(t) towards $M_{\infty}$ is described by the following equation, \begin{equation}  \label{eq:growthrate}  M(t)=M_{\infty}(1-e^\frac{t}{T_1}) 
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\label{eq:curielaw}  M_o=\frac{n\mu^2B}{3kT}  \end{equation}  where $\mu$ is the magnetic moment of each spin, n is the number of magnetic moments per unit volume. B is the magnetic field. \\ \\  \subsection{Varying the Current}