Quantum-classical correspondence via coherent state in integrable field theory

Jun Sato; Tsukasa Yumibayashi

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arXiv · 1811.03186

Quantum-classical correspondence via coherent state in integrable field theory

Jun Sato·Tsukasa Yumibayashi

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Abstract

We consider the problem of quantum-classical correspondence in integrable field theories. We propose a method to construct a field theoretical coherent state, in which the expectation value of the quantum field operator exactly coincides with the classical soliton. We also discuss the time evolution of this quantum state and the instability due to the nonlinearity.

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Jun Sato, Tsukasa Yumibayashi. 2018-11-06. Quantum-classical correspondence via coherent state in integrable field theory. https://arxiv.org/abs/1811.03186

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