Dynamics of two dark solitons in a polariton condensate under non-resonant pumping

Autor:	Zhang, Yiling, Jia, Chunyu, Liang, Zhaoxin
Rok vydání:	2021
Předmět:	Condensed Matter - Mesoscale and Nanoscale Physics Condensed Matter - Quantum Gases
Druh dokumentu:	Working Paper
Popis:	We theoretically investigate the dynamics of two dark solitons in a polariton condensate under nonresonant pumping, based on driven dissipative Gross-Pitaevskii equations coupled to the rate equation. In particular, the analytical expression of the effective potential between two dark solitons is given. The resulting equation of motion captures how the open-dissipative character of a polariton Bose-Einstein condensate affects the properties of dynamics of two-dark soliton, i.e., two-dark soliton relax by blending with the background at a finite time. We further simulate the relative motion of two dark solitons numerically with the emphasis on how two solitons' motion being manipulated the initial velocity, which are in excellent agreement with the analytical results. The prediction of this work is sufficient for the experimental observations within current facilities. Comment: 5 pages, 2 figures
Databáze:	arXiv
Externí odkaz:	http://arxiv.org/abs/2112.03559 Zobrazit plný text záznamu View this record from Arxiv