论文标题

福米斯的地方现实主义理论

A local-realistic theory for fermions

论文作者

Vidal, Nicetu Tibau, Vedral, Vlatko, Marletto, Chiara

论文摘要

我们为一般费米子系统提出了一个本地模型,我们在海森伯格图片中表达了一个模型。为此,我们将使用最近提出的形式主义,即所谓的“ Raymond-Robichaud”结构,该结构可以为任何能够满足不信号的动力学理论构建一个明确的本地模型,就可以连接到每个单个子系统的等效类别的转换类别而言。通过遵循对费米亚平价超选择规则的严格使用,我们展示了这种构造如何消除费米金系统在当地状态和当地转换方面所显示的通常的困难。

We propose a local model for general fermionic systems, which we express in the Heisenberg picture. To this end, we shall use a recently proposed formalism, the so-called "Raymond-Robichaud" construction, which allows one to construct an explicitly local model for any dynamical theory that satisfies no-signalling, in terms of equivalence classes of transformations that can be attached to each individual subsystem. By following the rigorous use of the parity superselection rule for fermions, we show how this construction removes the usual difficulties that fermionic systems display in regard to the definition of local states and local transformations.

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