High-momentum tail in the Tonks-Girardeau gas under general confining potentials
Physics Letters A 373 (2009) pp. 3897-3900 We prove that the ground state momentum distribution of a one-dimensional system of impenetrable bosons exhibits a $k^{-4}$ tail for any confining potential. We also derive an expression for easily computing the asymptotic occupation numbers and verify our...
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| Format: | Journal Article |
| Language: | English |
| Published: |
07-08-2009
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| Subjects: | |
| Online Access: | Get full text |
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| Summary: | Physics Letters A 373 (2009) pp. 3897-3900 We prove that the ground state momentum distribution of a one-dimensional
system of impenetrable bosons exhibits a $k^{-4}$ tail for any confining
potential. We also derive an expression for easily computing the asymptotic
occupation numbers and verify our results with an exact numerical approach. |
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| DOI: | 10.48550/arxiv.0907.3659 |