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- W1990562042 abstract "Studies the ground-state energy of a system of N identical bosons, each having mass m, which interact in one dimension via the pair potential V(x)= gamma f(x/a) and obey non-relativistic quantum mechanics. A recent energy lower bound based on the known exact solution for the delta potential is compared to an earlier bound provided by the equivalent two-body method. The delta bound is good whenever the potential is very narrow and deep. For any bounded potential, the earlier energy bound is always better for large N. Detailed results and graphs are given for the sech-squared potential and the square-well potential." @default.
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- W1990562042 date "1989-01-21" @default.
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- W1990562042 title "The equivalent two-body and delta energy lower bounds for N-boson systems" @default.
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- W1990562042 doi "https://doi.org/10.1088/0305-4470/22/2/007" @default.
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