Study of implosion in an attractive Bose-Einstein condensate

Sabari Subramaniyan; Amitava Choudhuri; Kuppusamy Porsezian; Bishwajyoti Dey

doi:10.1140/epjd/e2016-60704-x

EPJ

Study of implosion in an attractive Bose-Einstein condensate

Sabari Subramaniyan¹^a, Amitava Choudhuri², Kuppusamy Porsezian³ and Bishwajyoti Dey¹

¹ Department of Physics, Savitribai Phule Pune University, 411007 Pune, Maharashtra, India
² Department of Physics, The University of Burdwan, Golapbag, 713104 Burdwan, West Bengal, India
³ Department of Physics, Pondicherry University, 605014 Puducherry, Puducherry, India

Received: 12 December 2015
Received in final form: 2 March 2016
Published online: 12 May 2016

Abstract

By solving the Gross-Pitaevskii equation analytically and numerically, we reexamine the implosion phenomena that occur beyond the critical value of the number of atoms of an attractive Bose-Einstein condensate (BEC) with cigar-shape trapping geometry. We theoretically calculate the critical number of atoms in the condensate by using Ritz’s variational optimization technique and investigate the stability and collapse dynamics of the attractive BEC by numerically solving the time dependent Gross-Pitavskii equation.

Key words: Cold Matter and Quantum Gas

23rd International Summer School on Vacuum, Electron, and Ion Technologies (VEIT)
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EPJ

Study of implosion in an attractive Bose-Einstein condensate

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