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In the pseudogap state the spectrum of the autocorrelation of angle resolvedphotoemission (AC-ARPES) data of Bi2212 presents non-dispersive peaks inmomentum space which compare well with those responsible of the checkerboardpattern found in the density of states by Scanning Tunneling Microscopy. Thissimilarity suggests that the checkerboard pattern originates from peaks in thejoint density of states, as the dispersive peaks found in the superconductingstate do. Here we show that the experimental AC-ARPES spectrum can bereproduced within a model for the pseudogap with no charge-ordering or symmetrybreaking. We predict that, because of the competition of superconductivity andpseudogap, in the superconducting state, the AC-ARPES data of underdopedcuprates will present both dispersive and non-dispersive peaks and they will bebetter observed in cuprates with low critical temperature. We finally arguethat the AC-ARPES data is a complementary and convenient way to measure the arclength.Comment: 5 pages, 3 eps figure

Yang-Rice-Zhang description of checkerboard pattern and autocorrelation of photoemission data in high-temperature superconductors