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arxiv: hep-ph/9706549 · v3 · submitted 1997-06-30 · ✦ hep-ph

On Normal ordering and Canonical transformations in Thermal Field Theory

M. Blasone , T.S. Evans , D.A. Steer , G. Vitiello This is my paper
classification ✦ hep-ph
keywords fieldthermalcanonicalnormalorderingsplittheorytransformation
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We look at a real scalar field in thermal equilibrium in the context of the new normal ordering and field split defined by Evans and Steer. We show that the field split defines a natural canonical transformation, but that this transformation differs from others known in thermal field theory.

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  1. Work Statistics via Real-Time Effective Field Theory: Application to Work Extraction from Thermal Bath with Qubit Coupling

    quant-ph 2025-02 unverdicted novelty 5.0

    Real-time EFT expresses work distribution functions for a driven thermal bath plus qubit in terms of the quasiparticle spectral function, yielding second-order results that favor spin/topological qubits for work extraction.