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Nonlinear sigma model for optical media with linear absorption or gain
Nonlinear sigma model optical media linear absorption gain Optics
2012/4/24
In the framework of the Keldysh technique, we formulate the nonlinear sigma model for disordered optical media with linear absorption or gain. The effective action for fluctuations of the matrix field...
Equivalence of O(3) nonlinear sigma model and the CP1 model: A path integral approach
O(3) nonlinear sigma model CP1 model integral approach
2010/11/8
A rigorous proof is given on the equivalence of the O(3) nonlinear sigma model and the CP1 model via path integral approach.
Quantization of the O(N) Nonlinear Sigma Model
Hamiltonian and Lagrangian approach Hamilton-Jacobi
method nonlinear sigma model quantization of field systems
2007/8/15
2002Vol.37No.5pp.567-570DOI:
Quantization of the O(N) Nonlinear Sigma Model
S.I. Muslih
Department of Physics, Al-Azhar University, Gaza, Palestine
(Received: ...
