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most citedFunctional Integral Representation of the Pauli-Fierz Model with Spin 1/2

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math-ph2011

A Probabilistic Representation of the Ground State Expectation of Fractional Powers of the Boson Number Operator

Fumio Hiroshima, Jozsef Lorinczi, Toshimitsu Takaesu

We give a formula in terms of a joint Gibbs measure on Brownian paths and the measure of a random-time Poisson process of the ground state expectations of fractional (in fact, any…