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AbstractAbstract
[en] A class of models of spontaneous chiral symmetry breaking is considered, based on the Hamiltonian with an instantaneous potential interaction of fermions. An explicit mass term mΨ-barΨ is included and the physical meaning of the mass parameter is discussed. It is shown that if the Hamiltonian is normal-ordered (i.e. self-energy omitted), then the mass m introduced in the Hamiltonian is not the current mass appearing in the current algebra relations. (author)
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1983; 16 p; 23. Cracow School of Theoretical Physics; Zakopane (Poland); 29 May - 11 Jun 1983
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Conference
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