= Charles Pence Slichter
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{tag=Physicist}
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<Charles Pence Slichter> used <nuclear magnetic resonance> to test the microscopic physics of <superconductivity>. With <L. C. Hebel>, he measured nuclear <spin-lattice relaxation> in <aluminium> between 0.94 and 4.2 <kelvin>, using changes of <magnetic field> to separate relaxation in the superconducting state from detection in the normal state. The observed relaxation disagreed with a simple two-fluid account but could be understood through the electronic correlations of <BCS theory>. Nuclear <spins> thus acted as local probes of the superconducting <electrons>.<Nuclear Spin Relaxation in Normal and Superconducting Aluminum by L. C. Hebel and Charles Pence Slichter>[Physical Review 113, 1504 (1959), abstract: field cycling and comparison with superconducting theories]{ref}
\Image[https://commons.wikimedia.org/wiki/Special:Redirect/file/Charles_P._Slichter_(Leipzig_2006).jpg?width=260]
{title=Portrait of <Charles Pence Slichter>}
{description=Prolineserver (Wikimedia Commons), Leipzig University, 2006. https://www.gnu.org/licenses/old-licenses/fdl-1.2.html[GFDL 1.2 only], via Wikimedia Commons.}
{source=https://commons.wikimedia.org/wiki/File:Charles_P._Slichter_(Leipzig_2006).jpg}
{width=260}
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