Physics – Condensed Matter – Quantum Gases
Scientific paper
2011-12-22
Physics
Condensed Matter
Quantum Gases
8 pages, 1 figure
Scientific paper
We propose a novel mathematical approach for the calculation of near-zero energy states by solving potentials which are isospectral with the original one. For any potential, families of strictly isospectral potentials (with very different shape) having desirable and adjustable features are generated by supersymmetric isospectral formalism. The near-zero energy Efimov state in the original potential is effectively trapped in the deep well of the isospectral family and facilitates more accurate calculation of the Efimov state. Application to the first excited state in $^{4}$He trimer is presented.
Chakrabarti Barnali
Das Tapan Kumar
Haldar Sudip Kumar
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