Fig. 1. Nonequilibrium temperature gradient driven interacting systems. (a) Nonequilibrium system of cavity optomechanical coupled mechanical oscillator; (b) equivalence model of three neighboring coupled resonators

Fig. 2. Average phonon number and heat flow under different coupling strengths. (a)(b) Λ=(2π×3)Hz; (c)(d) Λ=(2π×100)Hz

Fig. 3. Revolution of entropy dynamics at different coupling strengths under symmetric temperature thermal reservoirs. (a)(d) Π, Φ, dS/dt change over time at weak/strong coupling case; (b)(e) Φ1,2,3 change over time at weak/strong coupling case; (c)(f) ΔSΠ, ΔSΦ, ΔS change over time at weak/strong coupling case

Fig. 4. Revolution of heat transfer and entropy changes over time at Λ=(2π×3)Hz at weak coupling case with a first asymmetric temperature thermal reservoirs. (a) N1,2,3; (b) J1,2; (c) Π, Φ, dS/dt; (d) Φ1,2,3

Fig. 5. Revolution of heat transfer and entropy changes over time at Λ=(2π×100)Hz at strong coupling case with a first asymmetric temperature thermal reservoirs. (a) N1,2,3; (b) J1,2; (c) Π, Φ, dS/dt; (d) Φ1,2,3

Fig. 6. Revolution of heat transfer and entropy changes over time at Λ=(2π×3)Hz at weak coupling case with a second asymmetric temperature thermal reservoirs. (a) N1,2,3; (b) J1,2; (c) Π, Φ, dS/dt; (d) Φ1,2,3

Fig. 7. Revolution of heat transfer and entropy changes over time at Λ=(2π×100)Hz at strong coupling case with a second asymmetric temperature thermal reservoirs. (a) N1,2,3; (b) J1,2; (c) Π, Φ, dS/dt; (d) Φ1,2,3