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We present a gauge-theoretical derivation of the Frobenius foliation condition. It is based on a nonlinear coset realization of the Poincaré group, implying the time component 0 of the coframe to be invariant. By means of the unitary gauge fixing of the boosts, three Goldstone-like degrees of freedom of 0 are eliminated. The remaining Higgs-like boson, satisfying the foliation condition, plays the role of time. 相似文献
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