1Institute of High Energy Physics, Chinese Academy of Sciences, PO Box 918-4, Beijing 100049
2Institute of Theoretical Physics, Chinese Academy of Sciences, PO Box 2735, Beijing 100080
3Physics Department, Tsinghua University, Beijing 100084
4Department of Physics, Beijing Normal University, Beijing 100875
Three Kinds of Special Relativity via Inverse Wick Rotation
1Institute of High Energy Physics, Chinese Academy of Sciences, PO Box 918-4, Beijing 100049
2Institute of Theoretical Physics, Chinese Academy of Sciences, PO Box 2735, Beijing 100080
3Physics Department, Tsinghua University, Beijing 100084
4Department of Physics, Beijing Normal University, Beijing 100875
Abstract: Since the special relativity can be viewed as the physics in an inverse Wick rotation of four-dimensional (4D) Euclid space, which is at almost equal footing with the 4D Riemann/Lobachevski space, there should be important physics in the inverse Wick rotation of 4D Riemann/Lobachevski space. Thus, there are three kinds of special relativity in de Sitter(dS)/Minkowski/anti-de Sitter(AdS) space at almost equal footing, respectively. There is an instanton tunnelling scenario in the Riemann--de Sitter case that may explain why Λ be positive and link with the multiverse.