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Pré-Publication, Document De Travail Année : 2016

From Tools in Symplectic and Poisson Geometry to Souriau's theories of Statistical Mechanics and Thermodynamics

Charles-Michel Marle
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Résumé

I present in this paper some tools in Symplectic and Poisson Geometry in view of their applications in Geometric Mechanics and Mathematical Physics. After a short discussion of the Lagrangian an Hamiltonian formalisms, including the use of symmetry groups, and a presentation of the Tulczyjew's isomorphisms (which explain some aspects of the relations between these formalisms), I explain the concept of manifold of motions of a mechanical system and its use, due to J.-M. Souriau, in Statistical Mechanics and Thermodynamics. The generalization of the notion of thermodynamic equilibrium in which the one-dimensional group of time translations is replaced by a multi-dimensional, maybe non-commutative Lie group, is discussed and examples of applications in Physics are given.
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Dates et versions

hal-01350539 , version 1 (30-07-2016)

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  • HAL Id : hal-01350539 , version 1

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Charles-Michel Marle. From Tools in Symplectic and Poisson Geometry to Souriau's theories of Statistical Mechanics and Thermodynamics. 2016. ⟨hal-01350539⟩
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