Physical realization of the Markov chamber
Construct a smooth, homogeneous, single-boundary holographic renormalization-group-flow geometry containing a nontrivial Markov chamber in which I(C:D|ZA_R)=0 while the shell response remains nonzero, and determine whether this vanishing conditional-mutual-information condition can persist over a finite interval.
References
We have not shown that the required Markov chamber occurs in a smooth single-boundary holographic RG-flow vacuum.
— Beyond Strong Subadditivity: Holographic Entropy Inequalities Along Renormalization Group Flows
(2608.25287 - Bao et al., 26 Aug 2026) in Section 3.1, paragraph “A sharp graph chamber”; Section 5, Conclusions and outlook, item (i)