Depinning of discommensurations for tilted Frenkel-Kontorova chains

Claude Baesens, Robert S. MacKay, Wen-Xin Qin

For an untilted Frenkel-Kontorova chain and any rational $p/q$, Aubry and Mather proved there are minimising equilibrium states that are left- and right-asymptotic to neighbouring…