Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Fu, Qidong"'
Publikováno v:
Phys. Rev. A 110, 043513 (2024)
Spontaneous symmetry breaking (SSB) occurs when modes of asymmetric profile appear in a symmetric, double-well potential, due to the nonlinearity of the potential exceeding a critical value. In this study, we examine SSB in a periodic potential where
Externí odkaz:
http://arxiv.org/abs/2410.04185
Publikováno v:
Phys. Rev. Lett. 132, 053801 (2024)
Bloch oscillations refer to the periodic oscillation of a wavepacket in a lattice under a constant force. Typically, the oscillation has a fundamental period that corresponds to the wavepacket traversing the first Brillouin zone once. Here we demonst
Externí odkaz:
http://arxiv.org/abs/2401.10413
Autor:
Wang, Peng, Fu, Qidong, Peng, Ruihan, Kartashov, Yaroslav V., Torner, Lluis, Konotop, Vladimir V., Ye, Fangwei
Publikováno v:
Nature Communications,13, 6738 (2022)
Continuous and quantized transports are profoundly different. The latter is determined by the global rather than local properties of a system, it exhibits unique topological features, and its ubiquitous nature causes its occurrence in many areas of s
Externí odkaz:
http://arxiv.org/abs/2211.05388
Publikováno v:
Physical Review Letters 129, 183901(2022)
We consider theoretically the nonlinear quantized Thouless pumping of a Bose-Einstein condensate loaded in a two-dimensional dynamical optical lattices. We encountered three different scenarios of the pumping: quasi-linear one occurring for gradually
Externí odkaz:
http://arxiv.org/abs/2209.05999
We give a rigorous deduction of the eigenvalue problem of the nonlinear Schr\"odinger equation (NLS) at Dirac Points for potential of honeycomb lattice symmetry. Based on a bootstrap method, we observe the bifurcation of the eigenfunctions into eight
Externí odkaz:
http://arxiv.org/abs/2202.06099
Publikováno v:
Physical Review Letters 128, 154101(2022)
One-dimensional topological pumping of matter waves in two overlaid optical lattices moving with respect to each other is considered in the presence of attractive nonlinearity. It is shown that there exists a threshold nonlinearity level above which
Externí odkaz:
http://arxiv.org/abs/2110.14472
Autor:
Fu, Qidong, Wang, Peng, Huang, Changming, Kartashov, Yaroslav V., Torner, Lluis, Konotop, Vladimir V., Ye, Fangwei
Publikováno v:
Nature Photonics 14, 663-668(2020)
Exploration of the impact of synthetic material landscapes featuring tunable geometrical properties on physical processes is a research direction that is currently of great interest because of the outstanding phenomena that are continually being unco
Externí odkaz:
http://arxiv.org/abs/2010.15294
Akademický článek
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Akademický článek
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Autor:
Yang K; State Key Laboratory of Advanced Optical Communication Systems and Networks, School of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai 200240, China., Fu Q; State Key Laboratory of Advanced Optical Communication Systems and Networks, School of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai 200240, China., Prates HC; Departamento de Física and Centro de Física Teórica e Computacional, Faculdade de Ciências, Universidade de Lisboa, Campo Grande, Lisboa 1749-016, Portugal., Wang P; State Key Laboratory of Advanced Optical Communication Systems and Networks, School of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai 200240, China., Kartashov YV; Institute of Spectroscopy, Russian Academy of Sciences, Troitsk, Moscow 108840, Russia., Konotop VV; Departamento de Física and Centro de Física Teórica e Computacional, Faculdade de Ciências, Universidade de Lisboa, Campo Grande, Lisboa 1749-016, Portugal., Ye F; State Key Laboratory of Advanced Optical Communication Systems and Networks, School of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai 200240, China.
Publikováno v:
Proceedings of the National Academy of Sciences of the United States of America [Proc Natl Acad Sci U S A] 2024 Nov 19; Vol. 121 (47), pp. e2411793121. Date of Electronic Publication: 2024 Nov 15.
