dc.contributor.author |
Nandani, E.J.K.P. |
|
dc.contributor.author |
Xi-Wen, Guan |
|
dc.date.accessioned |
2023-02-02T03:45:30Z |
|
dc.date.available |
2023-02-02T03:45:30Z |
|
dc.date.issued |
2018-02-15 |
|
dc.identifier.issn |
1391-8796 |
|
dc.identifier.uri |
http://ir.lib.ruh.ac.lk/xmlui/handle/iruor/10663 |
|
dc.description.abstract |
The physics of ultracold Bose gases is a rapidly developing field due to the recent remarkable achievement in the experiment and intensive theoretical investigations. However, when understanding quantum correlations, the calculation of correlation functions of such many-body systems always imposes a big challenge. In this communication, we analytically calculate the momentum distribution of the one-dimensional Bose gas at high momenta through the Fourier transform of the single-particle density matrix. Using the Bethe ansatz wave function of the one-dimensional strongly interacting bosons at the ground state, we find that asymptotic behavior of the momentum distribution for large values of momenta obeys the universal power law C/p4 decay, where the Tan's contact C can be given explicitly in terms of the generalized exclusion statistics parameter. |
en_US |
dc.language.iso |
en |
en_US |
dc.publisher |
Faculty of Science, University of Ruhuna, Matara, Sri Lanka |
en_US |
dc.subject |
Bose gas |
en_US |
dc.subject |
Momentum distribution |
en_US |
dc.subject |
Tan contact |
en_US |
dc.title |
The momentum distribution of one dimensional strongly repulsive Bose gas at large momenta |
en_US |
dc.type |
Article |
en_US |