Search results for "Nonequilibrium systems"

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Ecological indicators – Schrödinger Ratio

2008

Biomass Entropy Entropy production Exergy Eutrophication Lake ecosystems Negentropy Nonequilibrium systems Phytoplankton RespirationEntropyRespirationPhytoplanktonLake ecosystemsBiomassExergyEutrophicationNegentropyEntropy productionNonequilibrium systems
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Unraveling the nature of universal dynamics in O(N) theories

2020

Many-body quantum systems far from equilibrium can exhibit universal scaling dynamics which defy standard classification schemes. Here, we disentangle the dominant excitations in the universal dynamics of highly occupied N-component scalar systems using unequal-time correlators. While previous equal-time studies have conjectured the infrared properties to be universal for all N, we clearly identify for the first time two fundamentally different phenomena relevant at different N. We find all N >= 3 to be indeed dominated by the same Lorentzian "large-N" peak, whereas N = 1 is characterized instead by a non-Lorentzian peak with different properties, and for N = 2, we see a mixture of two cont…

phase space methodsquasiparticlescollective excitationsnonequilibrium systemsbose gasesfluctuation theoremsscaling laws of complex systems
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