The Quantum Effective Action, Wave Functions and Yang-Mills (2+1) [PDF]
V. P. NairWe explore the relationship between the quantum effective action and the ground state (and excited state) wave functions of a field theory. Applied to the Yang-Mills theory in 2+1 dimensions, we find the leading terms of the effective action from the ground state wave function previously obtained in the Hamiltonian formalism by solving the Schrodinger equation.View original: http://arxiv.org/abs/1109.6376
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