开放微波台球中的衍射轨道
Diffractive orbits in an open microwave billiard
摘要：
我们证明了衍射轨道的存在和意义，在一个开放的微波台球，从实验和理论。轨道的尖锐的边缘强烈影响的传导谱的谐振器，特别是在政权没有稳定的经典轨道。在共振时，波函数受经典和衍射轨道的影响。非共振时，波函数由多个瞬态非周期轨道的相长干涉决定。实验，数值和半经典的结果。
英文摘要：
We demonstrate the existence and significance of diffractive orbits in an open microwave billiard, both experimentally and theoretically. Orbits that diffract off of a sharp edge strongly influence the conduction spectrum of this resonator, especially in the regime where there are no stable classical orbits. On resonance, the wavefunctions are influenced by both classical and diffractive orbits. Off resonance, the wavefunctions are determined by the constructive interference of multiple transient, nonperiodic orbits. Experimental, numerical, and semiclassical results are presented.
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