Doubly-Special Relativity: First Results and Key Open Problems
Giovanni Amelino-Camelia
TL;DR
This paper reviews recent developments in Doubly-Special Relativity, focusing on theories with invariant velocity and length/momentum scales, and discusses unresolved fundamental issues in this emerging research area.
Contribution
It provides an overview of the initial results and identifies key open problems in the development of Doubly-Special Relativity theories.
Findings
Initial results support the consistency of the theory
Key open problems include experimental tests and theoretical foundations
The framework introduces new invariant scales in relativistic physics
Abstract
I examine the results obtained so far in exploring the recent proposal of theories of the relativistic transformations between inertial observers that involve both an observer-independent velocity scale and an observer-independent length/momentum scale. I also discuss what appear to be the key open issues for this research line.
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