For a field-free 1D Ising system of 'spins', in thermal equilibrium at... · PHYSICS Dataset #6912

Physics · modern-physics

Problem

For a field-free 1D Ising system of N≫1N \gg 1 'spins', in thermal equilibrium at temperature TT, calculate the correlation coefficient Ks≡⟨slsl+n⟩K_{s} \equiv\left\langle s_{l} s_{l+n}\right\rangle, where ll and (l+n)(l+n) are the numbers of two specific spins in the chain.

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