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https://irlib.pccu.edu.tw/handle/987654321/35903
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| Title: | Nonequilibrium and nonlinear defect states in microcavity-polariton condensates |
| Authors: | Chen, TW (Chen, Ting-Wei)
Jheng, SD (Jheng, Shih-Da)
Hsieh, WF (Hsieh, Wen-Feng)
Cheng, SC (Cheng, Szu-Cheng) |
| Contributors: | 物理系 |
| Keywords: | BOSE-EINSTEIN CONDENSATION
DARK SOLITONS
NOBEL LECTURE
IMPURITIES
DYNAMICS
SYSTEMS
BEHAVE
GASES
ATOMS |
| Date: | 2016-05 |
| Issue Date: | 2017-04-13 15:04:35 (UTC+8) |
| Abstract: | The nonequilibrium and nonlinear defect modes (NNDMs), localized by a defect in a nonequilibrium microcavity-polariton condensate (MPC), are studied. There are three analytic solutions of NNDMs in a point defect: the bright NNDM, a bound state with two dark solitons for an attractive potential, and a gray soliton bound by a defect for a repulsive potential. We find that the stable NNDMs in a nonequilibrium MPC are the bright NNDM and gray soliton bound by a defect. The bright NNDM, which has the hyperbolic cotangent form, is a bright localized state existing in a uniform MPC. The bright NNDM is a unique state occurring in a nonequilibrium MPC that has pump-dissipation and repulsive-nonlinearity characters. No such state can exist in an equilibrium system with repulsive nonlinearity. |
| Relation: | PHYSICAL REVIEW E 卷: 93 期: 5 文獻號碼: 052214 |
| Appears in Collections: | [Department of Physics ] journal articles
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