On the positivity of correlations in nonequilibrium spin systems
β Scribed by Pablo A. Ferrari; Joel L. Lebowitz; Christian Maes
- Publisher
- Springer
- Year
- 1988
- Tongue
- English
- Weight
- 488 KB
- Volume
- 53
- Category
- Article
- ISSN
- 0022-4715
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π SIMILAR VOLUMES
The mesoscopic description of a system with chemical reactions predicts that if the detailed balance condition is not satisfied then the nonequilibrium spatial correlations between concentrations of reactants may appear. The present work is concerned with the dynamics of their growth. We assume that
## The positivity of operators in Hilbert spaces is an important concept finding wide application in various branches of Mathematical System Theory. A frequencydomain condition that ensures the positivity of time-varying operators in L2 with a state-space description, is derived in this paper by usi