Stability window of trapless polariton Bose-Einstein condensates
dc.contributor.author | Sabari, S. [UNESP] | |
dc.contributor.author | Kumar, R. Kishor | |
dc.contributor.author | Radha, R. | |
dc.contributor.author | Muruganandam, P. | |
dc.contributor.institution | Universidade Estadual Paulista (UNESP) | |
dc.contributor.institution | Government College for Women (A) | |
dc.contributor.institution | University of Otago | |
dc.contributor.institution | Bharathidasan University | |
dc.date.accessioned | 2023-03-01T20:55:41Z | |
dc.date.available | 2023-03-01T20:55:41Z | |
dc.date.issued | 2022-06-01 | |
dc.description.abstract | We theoretically explore the possibility of stabilizing the trapless polariton Bose-Einstein condensates (pBECs). Exploiting the variational method, we solve the associated nonlinear, complex Gross-Pitaevskii equation and derive the equation of motion for the amplitude and width of the condensate. These variational results described by ordinary differential equations are rewritten to perform a linear stability analysis to generate a stability window in the repulsive domain. A set of coupled nonlinear ordinary differential equations obtained through the variational approach are then solved by numerical simulations through the fourth-order Runge-Kutta method, which are further supported by the split-step Crank-Nicholson method, thereby setting the platform for stable pBECs. In particular, we generate a window containing system parameters in the g1-γeff space within which the system can admit stable condensates. The highlight of the results is that one observes beating effects in the real time evolution of the condensates with attractive interactions much similar to multicomponent BECs, and their periodicity can be varied by manipulating linear and nonlinear loss/gain terms. For repulsive condensates, one notices the stretching of the density. | en |
dc.description.affiliation | Institute of Theoretical Physics Unesp - Universidade Estadual Paulista | |
dc.description.affiliation | Centre for Nonlinear Science (CeNSc) Department of Physics Government College for Women (A) | |
dc.description.affiliation | Department of Physics Centre for Quantum Science Dodd-Walls Centre for Photonic and Quantum Technologies University of Otago | |
dc.description.affiliation | Department of Physics Bharathidasan University | |
dc.description.affiliationUnesp | Institute of Theoretical Physics Unesp - Universidade Estadual Paulista | |
dc.identifier | http://dx.doi.org/10.1103/PhysRevB.105.224315 | |
dc.identifier.citation | Physical Review B, v. 105, n. 22, 2022. | |
dc.identifier.doi | 10.1103/PhysRevB.105.224315 | |
dc.identifier.issn | 2469-9969 | |
dc.identifier.issn | 2469-9950 | |
dc.identifier.scopus | 2-s2.0-85133683856 | |
dc.identifier.uri | http://hdl.handle.net/11449/241296 | |
dc.language.iso | eng | |
dc.relation.ispartof | Physical Review B | |
dc.source | Scopus | |
dc.title | Stability window of trapless polariton Bose-Einstein condensates | en |
dc.type | Artigo | |
unesp.author.orcid | 0000-0002-6673-3069 0000-0002-6673-3069[1] | |
unesp.author.orcid | 0000-0002-5969-580X[3] | |
unesp.author.orcid | 0000-0002-3246-3566[4] | |
unesp.campus | Universidade Estadual Paulista (Unesp), Instituto de Física Teórica (IFT), São Paulo | pt |