Relativity 4-ever?

TL;DR

This paper explores the possibility of superluminal motion through hypothetical particles called elvisebrions, which could bypass the light speed barrier without contradicting current physical theories.

Contribution

It introduces the concept of elvisebrions, objects that can move faster than light in theories with hidden sectors that violate Lorentz invariance or have different limiting velocities.

Findings

Elvisebrions can theoretically exist without violating known physics.

Superluminal motion is possible in models with hidden sectors and broken Lorentz invariance.

Tachyons are unstable and cannot transmit information faster than light.

Abstract

This essay is about superluminal motion. It is generally believed that special relativity prohibits movements faster than the speed of light. It is explained which motion is actually forbidden by special relativity and why. Tachyons are briefly discussed and it is explained that, due to internal instability, tachyon fields cannot be used to transmit information faster than the speed of light. However, as John Stuart Bell remarked, "what is proved by the impossibility proofs is lack of imagination". Inspired by the Frenkel-Kontorova model of crystal dislocations, we demonstrate the way to overcome the light speed barrier by introducing elvisebrions. Elvisebrions are defined as objects that can exist in the case when some hidden sectors, very weakly interacting with the visible sector, are either not Lorentz invariant, or Lorentz invariant but with different limiting velocities. In this case, elvisebrions can move in a superluminal manner without violating our existing physical models.