Editing Rudolf Peierls

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'''Sir Rudolf Ernst Peierls''', (5 June 1907, Berlin – 19 September 1995, Oxford), was a German-born British physicist. Rudolph Peierls had a major role in Britain's nuclear program, but he also had a role in many modem sciences.

==Peierls' argument==
Before the explicit solution by [[Lars Onsager]], Peierls put forward an ingenuous argument showing that
the [[ Ising_Models#2-dimensional_Ising_model |  two-dimensional Ising model]] must have a phase transition (at a finite temperature). The argument considers the entropy associated with the interface between domains with different orientations (Ref. 1).

==References==
*Rudolf Peierls "More surprises in Theoretical Physics". Princeton University Press (1991) ISBN 0-691-02522-3