# Quantum quench The [[0301 Entanglement entropy|entanglement entropy]] for a large region $R$ at some $t$ following a uniform [[0558 Quantum quench|quench]] at $t=0$ displays a linear growth at late time:$S_R(t)-S_R(t=0)\sim v_E \,s_{\mathrm{th}} \operatorname{Area}[\partial R] \,t.$ ## Refs - 2D CFT: - [[2005#Calabrese, Cardy]] - [[2025#Kibe, Roy]]: QNEC in quenched 2D CFT - higher dimensions: - [[2013#Liu, Suh (May)]] - [[2025#Bianchi, Mattiello, Sisti]] - BCFT: - [[2024#Bernamonti, Galli, Ge]]: Mobius-like quench - AdS/BCFT: - [[2025#Bianchi, Mattiello, Sisti]]: tensionless brane ## Related - [[0522 Entanglement dynamics]]