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Trans-IR Flows to Black Hole Singularities
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abstract
We study analytic continuations of holographic renormalization group (RG) flows beyond their infrared (IR) fixed points. Such "trans-IR" flows are a natural framework for describing physics inside of black holes. First, we construct a monotonic holographic $a$-function which counts degrees of freedom along a trans-IR flow. Using this function, we argue that the degrees of freedom "thin out" and vanish when flowing to a trans-IR endpoint, represented by a Kasner singularity. We then recast well-studied quantum information probes in the language of trans-IR flows, finding that entanglement and complexity from volume generally fail to fully probe the trans-IR while 2-point correlations and complexity from action generally do so in a complementary manner.
Forward citations
Cited by 2 Pith papers
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Non-Hermitian Holographic Flows to Little Rip Cosmologies
A holographic model of a non-Hermitian PT-symmetric QFT produces black hole interiors that are isotropic Little Rip cosmologies, separated from standard Kasner behavior by a distinctive logarithmic signature in heavy-...
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Critical and multicritical Kasner scaling in holographic phase transitions
The deviation of the first internal Kasner exponent from the Schwarzschild value scales as the square of the condensate, giving temperature exponents 1/r at r-th order multicritical points.
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