Krypton's atoms interact by the Lennard-Jones potential with and

PHYSICS · Subjective · Fermi University Physics · Condensed Matter, Materials & Soft Matter · Crystal structure, bonding and diffraction · Crystal structure, bonding and diffraction

Condensed Matter Physics, Ch What holds a solid together, and where its atoms sit

Problem

Krypton's atoms interact by the Lennard-Jones potential with

\epsilon_{\rm LJ}=0.0141\,\mathrm{eV}

and

\sigma_{\rm LJ}=3.63\,\mathrm{\mathring{A}}

. Find the equilibrium separation

r_0

and the curvature

U''(r_0)

of the bond, in

\mathrm{N\,m^{-1}}

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