Friday, February 24, 2012

1108.1607 (Zhaoliang Wang et al.)

Exact Eigenfunctions of $N$-Body system with Quadratic Pair Potential    [PDF]

Zhaoliang Wang, Anmin Wang, Yang Yang, Xuechao Li
We obtain all the exact eigenvalues and the corresponding eigenfunctions of
$N$-body Bose and Fermi systems with Quadratic Pair Potentials in one
dimension. The originally existed first excited state level is missing in one
dimension, which results from the operation of symmetry or antisymmetry of
identical particles. In two and higher dimensions, we give all the eigenvalues
and the analytical ground state wave functions and the number of degeneracy.
Through the comparison with Avinash Khare's results, we have perfected his
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