PreprintCC BY 4.0arXiv
Pressure in Wilsonian effective field theory
Abstract
We study the exponential rolling tachyon solution in Wilsonian effective field theory as a model for rolling tachyons in open string field theory. Although this solution exhibits runaway oscillations towards the future similar to its counterparts in string field theory, its pressure is shown to be consistent with the underlying bare theory, but only up to a finite time. The rest of the evolution of the pressure is instead governed by a solution that is oscillatory towards the past and regular at late times. We conjecture that the late time physics of rolling tachyons in open string field theory may be captured by the solutions that are different from the standard rolling tachyon solutions based on this analysis.
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BibTeX
@misc{bernardes2026pressure,
title = {{Pressure in Wilsonian effective field theory}},
author = {Vinícius Bernardes and Atakan Hilmi Fırat},
howpublished = {arXiv},
year = {2026},
month = oct,
doi = {10.48550/arxiv.2610.30249},
eprint = {2610.30249},
archivePrefix = {arXiv},
url = {https://arxiv.org/abs/2610.30249},
note = {CC BY 4.0},
}
RIS
TY - UNPB
TI - Pressure in Wilsonian effective field theory
AU - Vinícius Bernardes
AU - Atakan Hilmi Fırat
PY - 2026
DA - 2026/10/21
PB - arXiv
DO - 10.48550/arxiv.2610.30249
UR - https://arxiv.org/abs/2610.30249
AB - We study the exponential rolling tachyon solution in Wilsonian effective field theory as a model for rolling tachyons in open string field theory. Although this solution exhibits runaway oscillations towards the future similar to its counterparts in string field theory, its pressure is shown to be consistent with the underlying bare theory, but only up to a finite time. The rest of the evolution of the pressure is instead governed by a solution that is oscillatory towards the past and regular at late times. We conjecture that the late time physics of rolling tachyons in open string field theory may be captured by the solutions that are different from the standard rolling tachyon solutions based on this analysis.
ER -