**Preludes to Dark Energy: Zero-point energy and vacuum speculations**

by Helge Kragh

**Publisher**: arXiv 2011**Number of pages**: 69

**Description**:

Although dark energy is a modern concept, some elements in it can be traced back to the early part of the twentieth century. This paper examines the origin of the idea of zero-point energy and in particular how it appeared in a cosmological context in a hypothesis proposed by Walther Nernst in 1916.

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