Effect of Lee-Wick thermodynamics in the cosmology of the early universe
Kaushik Bhattacharya, Suratna Das
TL;DR
This paper explores how Lee-Wick theories, which introduce unusual partner particles with potential negative energy contributions, affect the thermodynamics and early universe cosmology.
Contribution
It analyzes thermodynamic properties of toy and realistic Lee-Wick models, highlighting their implications for early universe cosmology.
Findings
Toy LW model can produce negative energy density.
Realistic LW universe shows modified thermodynamic behavior.
Impacts on early universe evolution are discussed.
Abstract
The Lee-Wick theories require unusual Lee-Wick (LW) partners to the standard model (SM) particles. The excitations of the unusual fields may have indefinite norms in the Hilbert space. In the present talk the thermodynamic results of a toy LW (where each normal particle has only one LW partner and the standard massless gauge fields do not appear in the normal particle spectrum as their LW partners has the potential to produce negative energy density) as well as a realistic LW universe (where the above restrictions are not present) will be discussed.
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