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<img src='content_image/394253.jpg'>

functions, and the extracted parameters are collected in Table I. For the largest value of the field strength, E , the confidence of the fit is frankly poor, and so we are careful about using this data point. 

The correlation function fits are carried out on each bootstrap ensemble. In partic- ular, we arrive at an ensemble of ground state energies and ground state magnetic cou- plings for each magnitude of the electric field E , or equivalently the corresponding integer n . These ensembles we generically denote by {O$_{i}$ ( n ) } , where i indexes the bootstrap ensemble, i = 1 , . . . N , and O represents either the ground state energy E , or magnetic coupling µ . As 

