The Glimm-Jaffe-Spencer expansion for the classical boundary conditions and coexistence of phases in the λφ24 Euclidean (quantum) field theory |
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Authors: | Basilis Gidas |
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Institution: | Department of Mathematics, Rockefeller University, New York, New York 10021 USA |
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Abstract: | The λφ24 Euclidean (quantum) field theory is studied in the multiphase region, and the following results are proven: (1) The “low temperature” expansion converges for Dirichlet (D), free (F), Neumann (N), and periodic (P), boundary conditions, and the even-point Schwinger functions for these boundary conditions have a mass gap; (2) , where b = D, F, N, P, and 〈o〉± are the pure states of Glimm, Jaffe, and Spencer; (3) 〈o〉±ξ = 〈o〉± for all ξ > 0, where ξ is the buondary field; (4) alternative characterizations of the pure states 〈·〉± are given. |
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