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We develop a concrete theory of continuous stripe melting quantum phasetransitions in two dimensional metals and the associated Fermi surfacereconstruction. Such phase transitions are strongly coupled but yettheoretically tractable in situations where the stripe ordering is destroyed byproliferating doubled dislocations of the charge stripe order. The resultingnon-Landau quantum critical point (QCP) has strong stripe fluctuations which weshow decouple dynamically from the Fermi surface even though static stripeordering reconstructs the Fermi surface. We discuss connections to variousstripe phenomena in the cuprates. We point out several puzzling aspects of oldexperimental results (Aeppli et al, Science 1997) on singular stripefluctuations in the cuprates, and provide a possible explanation within ourtheory. These results may thus have been the first observation of non-Landauquantum criticality in an experiment.

Theory of a continuous stripe melting transition in a two dimensional metal: Possible application to cuprates