λ_f = 0.75
FIRST	-10	-5	-2	-1		+1	+2	+5	+10	LAST

	δ

‹‹‹	λ_{i_{level direction}}	›››

Quantum quench in the Extended Dicke Model

Level dynamics (J=10, even states, ω=ω₀=1, δ=1)

[Minimum of energy - ESQPT (2,1) - ESQPR (2,2) - quench]

Survival probability > 10^-5

[Participation ratio - Heisenberg time]

Strength function

[Minimum - ESQPT (2,1) - ESQPR (2,2) - mean energy]

Survival probability log

Strength function log

Participation ratio (smoothed) [ESQPT (2,1) - ESQPR (2,2)]

Heisenberg time (smoothed) [ESQPT (2,1) - ESQPR (2,2)]

Peres lattices with strength function elements > 10^-4 [Minimum - ESQPT (2,1) - ESQPR (2,2) - mean energy]