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Title: Transport through a quantum dot with excitonic dot-lead coupling
Publication Date:
NSF-PAR ID:
10010071
Journal Name:
Physical Review B
Volume:
83
Issue:
8
ISSN:
1098-0121
Publisher:
American Physical Society
Sponsoring Org:
National Science Foundation
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  1. Abstract In this paper we study the defocusing, cubic nonlinear wave equation in three dimensions with radial initial data. The critical space is $\dot{H}^{1/2} \times \dot{H}^{-1/2}$. We show that if the initial data is radial and lies in $\left (\dot{H}^{s} \times \dot{H}^{s - 1}\right ) \cap \left (\dot{H}^{1/2} \times \dot{H}^{-1/2}\right )$ for some $s> \frac{1}{2}$, then the cubic initial value problem is globally well-posed. The proof utilizes the I-method, long time Strichartz estimates, and local energy decay. This method is quite similar to the method used in [11].