论文标题

在碰撞破坏模型中测试本征态分解假设

Testing eigenstate decoherence hypothesis in a model of collisional decoherence

论文作者

Dudinets, Ivan V., Ermakov, Igor, Lychkovskiy, Oleg

论文摘要

本征态反矫正假设(EDH)断言,大型封闭系统的每个征收征收的局部是局部经典的。我们测试了该假设的重粒子与光颗粒的气体相互作用。该系统对于研究量子到古典过渡的研究是范式的:由于与气体的相互作用,重粒子的降低状态被认为可以迅速松散任何非经典特征。但是,我们发现数值证据表明EDH被侵犯了:该模型的某些特征状态显然是非古典的。 EDH的弱版本是指本征态的大多数(而不是全部)。

The eigenstate decoherence hypothesis (EDH) asserts that each individual eigenstate of a large closed system is locally classical-like. We test this hypothesis for a heavy particle interacting with a gas of light particles. This system is paradigmatic for studies of the quantum-to-classical transition: The reduced state of the heavy particle is widely believed to rapidly loose any nonclassical features due to the interaction with the gas. Yet, we find numerical evidence that the EDH is violated: certain eigenstates of this model are manifestly non-classical. Only the weak version of EDH referring to the majority (instead of the totality) of eigenstates holds.

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