For a boosted strongly coupled plasma in d=2,3,4, holographic subregion complexity increases with temperature, velocity, and region size, and diverges as the Lorentz factor squared, gamma^2, when velocity approaches light speed.
Entanglement Entropy in a Non-Conformal Background
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We use gauge-gravity duality to compute entanglement entropy in a non-conformal background with an energy scale $\Lambda$. At zero temperature, we observe that entanglement entropy decreases by raising $\Lambda$. However, at finite temperature, we realize that both $\frac{\Lambda}{T}$ and entanglement entropy rise together. Comparing entanglement entropy of the non-conformal theory, $S_{A(N)}$, and of its conformal theory at the $UV$ limit, $ S_{A(C)}$, reveals that $S_{A(N)}$ can be larger or smaller than $S_{A(C)}$, depending on the value of $\frac{\Lambda}{T}$.
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Holographic subregion complexity in a moving strongly coupled plasma
For a boosted strongly coupled plasma in d=2,3,4, holographic subregion complexity increases with temperature, velocity, and region size, and diverges as the Lorentz factor squared, gamma^2, when velocity approaches light speed.