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Integration in Hilbert Space and Quantum Theory

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Functional Integration
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Abstract

The most familiar connection between quantum mechanics and functional integration is provided by Feynman’s path integral formalism. Path integrals are special linear functionals defined on an appropriate space of paths. They are close to the concept of an ordinary integral but cannot be represented as an integral w.r. to some measure (cf. 1). On the other hand — in classical physics — we are acquainted with the theory of integration in function spaces by means of integrals which are defined by some measure. In non-equilibrium statistical mechanics, e.g., the Wiener integral is widely used (cf. 2).

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References

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© 1980 Plenum Press, New York

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Bach, A. (1980). Integration in Hilbert Space and Quantum Theory. In: Antoine, JP., Tirapegui, E. (eds) Functional Integration. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-7035-6_6

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  • DOI: https://doi.org/10.1007/978-1-4615-7035-6_6

  • Publisher Name: Springer, Boston, MA

  • Print ISBN: 978-1-4615-7037-0

  • Online ISBN: 978-1-4615-7035-6

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