标题： 振幅调制和激发振子的共振衰减 显示英文标题

标题： Amplitude modulations and resonant decay of excited oscillons

摘要： 我们表明，在单真空模型中强激发振子的衰减显示出一种混沌的、类似分形的模式，这种模式与 $\phi^4$ 模型中孤立子与反孤立子碰撞时发现的模式非常相似。 这一结构可以归因于由构成激发振子的各组成振子的振幅调制所触发的共振能量转移机制。 我们还发现了证据表明，这种调制起源于构成振子内的两个拟呼吸子的运动。 显示英文摘要

摘要： We show that the decay of strongly excited oscillons in a single vacuum model reveals a chaotic, fractal-like pattern very much like one found in kink-antikink collision in the $\phi^4$ model. This structure can be attributed to the resonant energy transfer mechanism triggered by the modulations of amplitudes of constituent oscillons which form the excited oscillon. We also find evidence that such modulations arise as a motion of two quasi-breathers inside the constituent oscillon.