重整化的Bogoliubov-Fröhlich哈密顿量
The Renormalised Bogoliubov-Fröhlich Hamiltonian
摘要：
博戈留博夫-弗里希哈密顿量模拟了杂质与玻色-爱因斯坦凝聚体激发的相互作用。已经观察到，基态能量对紫外截止的依赖性与从类似的公知模型所预期的显著不同。我们给出了一个详细的解释，这种UV行为，并提供了一个明确的表示重整化的哈密顿量。
英文摘要：
The Bogoliubov-Fröhlich Hamiltonian models the interaction of an impurity with the excitations of a Bose-Einstein condensate. It has been observed that the dependence of the ground state energy on the ultraviolet cutoff differs significantly from what would be expected from similar well-known models. We give a detailed explanation of this UV behaviour, and provide an explicit representation of the renormalised Hamiltonian.
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