Journal
FEW-BODY SYSTEMS
Volume 55, Issue 8-10, Pages 839-842Publisher
SPRINGER WIEN
DOI: 10.1007/s00601-013-0776-0
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The paper examines a trapped one-dimensional system of multicomponent spinless fermions that interact with a zero-range two-body potential. We show that when the repulsion between particles is very large the system can be approached analytically. To illustrate this analytical approach we consider a simple system of three distinguishable particles, which can be addressed experimentally. For this system we show that for infinite repulsion the energy spectrum is sixfold degenerate. We also show that this degeneracy is partially lifted for finitely large repulsion for which we find and describe corresponding wave functions.
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