Phys. Rev. D 55, 1109–1111 (1997)Relativistic generalization of the hypernetted chain approximationReceived 7 June 1996; published in the issue dated 15 January 1997 A method of obtaining the nonperturbative ground state of a relativistic quantum field theory is proposed. The final result expresses the internal energy in terms of two variational functions and two integral equations. © 1997 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevD.55.1109
DOI:
10.1103/PhysRevD.55.1109
PACS:
11.80.Fv, 05.30.Jp
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