System stability Magnetic fields 8 Mathematical operators 8 Solar coronal loops 8 Sun: corona 8 Thermodynamics 8 Coupled systems 6 Mathematical models 6 Polymers 6 Absorption 4 Biocompatibility 4 Chaos theory 4 Continuous spectrum 4 Corona 4 Coronal loops 4 Critical values 4 Eigen-frequencies 4 Eigen-modes 4 Energy efficiency 4 Energy equation 4 Energy principles 4 Equation of motion 4 Equations of motion 4 Equilibrium parameters 4 Helicity 4 Hermitian operators 4 Intensity values 4 Irreversible energy 4 Long wavelengths 4 Magnetic energies 4