A Wick-rotatable metric is purely electric

作者：Helleland Christer; Hervik Sigbjorn^*

来源：Journal of Geometry and Physics, 2018, 123: 424-429.

DOI：10.1016/j.geomphys.2017.09.015

• Wick-rotations
• Space-time
• Real geometric invariant theory
• Pseudo-Riemannian geometry

We show that a metric of arbitrary dimension and signature which allows for a standard Wick-rotation to a Riemannian metric necessarily has a purely electric Riemann and Weyl tensor.

• 出版日期2018-1