arXiv · 1103.0132
Quantum Action Principle for Covariant Systems. Bosonic string
Abstract
A new form of covariant quantum theory based on a quantum version of the action principle is considered for the case of a free bosonic string. The central idea of the new approach is to delay conditions of stationarity of the classical action with respect to Lagrangian multipliers up to the quantum level where delayed conditions of stationarity are imposed on a quantum action. Physical states of the ordinary covariant quantum theory are replaced by well defined stationary states as those which obey quantum action principle. The stationary states have well defined energies.
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Natalia Gorobey, Alexander Lukyanenko. 2011-03-01. Quantum Action Principle for Covariant Systems. Bosonic string. https://arxiv.org/abs/1103.0132
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