TL;DR
This paper develops a semi-holographic effective field theory framework for describing a broad class of low-temperature phase transitions, including BKT and second-order types, using holographic principles.
Contribution
It introduces a generalized EFT that extends the Ginzburg-Landau-Wilson paradigm to systems with an emergent conformal sector, applicable to various holographic phase transitions.
Findings
Computed critical exponents for the EFT.
Analyzed low-frequency correlators near criticality.
Unified description of BKT and second-order transitions.
Abstract
We identify the near-critical effective theory (EFT) for a wide class of low-temperature phase transitions found via holography. The EFT is of the semi-holographic type and describes both holographic Berezinskii-Kosterlitz-Thouless (BKT) and second-order transitions with non-trivial scaling. It is a simple generalization of the Ginzburg-Landau-Wilson paradigm to systems with an emergent (or hidden) conformal sector. Having identified the near-critical EFT, we explore its basic phenomenology by computing critical exponents and low-frequency correlators.
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