1984
DOI: 10.1007/bf01412544
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On a numerical exact solution to the many-body problem in one dimension

Abstract: The Hamiltonian matrix for up to 30 particles has been diagonalised for three different interactions in a plane wave base, among them a hard-core potential. Restriction was made to the spin-polarised case in one space dimension. In the present feasibility study much weight is placed on the questions of convergence, numerical stability and efficiency. Some selected results on binding energies, excitation spectra, momentum distributions and spatial correlation functions are presented and discussed.

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Cited by 9 publications
(13 citation statements)
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“…Most of its statelets will not exhibit a vanishing excitation number, yet the state as a whole is more symmetric than the generic four-parton eigenstate. To wit, it possesses an additional Z 2 symmetry, 13 so that the 24 independent statelets can be cast into 12 sinusoidal functions, or into the 6 double-sines of Eq. (4.13) in Ref.…”
Section: Applications a Using "Elcq": Some Suggestionsmentioning
confidence: 99%
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“…Most of its statelets will not exhibit a vanishing excitation number, yet the state as a whole is more symmetric than the generic four-parton eigenstate. To wit, it possesses an additional Z 2 symmetry, 13 so that the 24 independent statelets can be cast into 12 sinusoidal functions, or into the 6 double-sines of Eq. (4.13) in Ref.…”
Section: Applications a Using "Elcq": Some Suggestionsmentioning
confidence: 99%
“…So we are left with two integrations over a trigonometric function divided by a quadratic function of the momenta. The structure of the final expression is therefore 13 Its identity and S 1 statelets fulfill T Zjri ¼ Zjri, whereas for the S 2 statelets we have C 2 jri ¼ Ijri, so that half the statelets are redundant. 14 Note that this works in the massless joeoeoi sector, too.…”
Section: B the Role Of Pair Productionmentioning
confidence: 99%
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“…This procedure was actually carried out in one space dimension [15] with two different sets of single-particle functions,…”
Section: The Non-relativistic A-body Problem In One Dimensionmentioning
confidence: 99%