Low-lying modes of trapped condensed atoms in anharmonic trap | Zendy

Hamid Al-Jibbouri | Zendy

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Low-lying modes of trapped condensed atoms in anharmonic trap

Author(s) -

Hamid Al-Jibbouri

Publication year - 2016

Publication title -

karbala international journal of modern science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.345

H-Index - 17

eISSN - 2405-6103

pISSN - 2405-609X

DOI - 10.1016/j.kijoms.2016.03.002

Subject(s) - anharmonicity , bose–einstein condensate , quartic function , trap (plumbing) , physics , lying , oscillation (cell signaling) , ordinary differential equation , harmonic , quantum mechanics , atomic physics , quantum electrodynamics , differential equation , chemistry , mathematics , medicine , meteorology , radiology , biochemistry , pure mathematics

We describe the physical properties of a Bose-Einstein condensate (BEc) confined by a three-dimensional harmonic plus cubic and quartic trap. To this end, we solve the time-dependent Gross–Pitaevskii (GP) equation within a variational approach in order to obtain a set of second ordinary differential equations for the condensate widths. We then discuss in detail the low-lying oscillation modes, in an anharmonic trap where the anharmonicity of the confining potential leads to significant effect on the collective excitations of the system

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