TL;DR
This paper introduces a new class of superluminal solitons in Einstein-Maxwell-plasma theory that are sourced by positive energy densities, challenging previous notions that such phenomena require exotic negative-energy sources.
Contribution
It constructs the first known superluminal solitons sourced by positive energy, using classical electromagnetic fields and plasma, thus grounding superluminal travel concepts in conventional physics.
Findings
Solitons can achieve superluminal speeds with positive energy sources.
These solitons can be generated from electromagnetic fields and plasma.
The results challenge the need for negative-energy sources in superluminal phenomena.
Abstract
Solitons in space--time capable of transporting time-like observers at superluminal speeds have long been tied to violations of the weak, strong, and dominant energy conditions of general relativity. The negative-energy sources required for these solitons must be created through energy-intensive uncertainty principle processes as no such classical source is known in particle physics. This paper overcomes this barrier by constructing a class of soliton solutions that are capable of superluminal motion and sourced by purely positive energy densities. The solitons are also shown to be capable of being sourced from the stress-energy of a conducting plasma and classical electromagnetic fields. This is the first example of hyper-fast solitons resulting from known and familiar sources, reopening the discussion of superluminal mechanisms rooted in conventional physics.
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