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Chang, Existence of a second-order phase transition in a two-dimensionalφ 4 field theory, Phys

· 1976 · Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields · DOI 10.1103/physrevd.13.2778

1 Pith paper cite this work, alongside 118 external citations. Polarity classification is still indexing.

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118 external citations · OpenAlex
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Variational Method in Quantum Field Theory

hep-th · 2025-11-11 · conditional · novelty 7.0

A variational ansatz built from exact sinh-Gordon vacuum expectation values yields quantitative estimates of the φ⁴ ground-state energy and mass, validated by Borel resummation and truncated-space numerics.

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  • Variational Method in Quantum Field Theory hep-th · 2025-11-11 · conditional · none · ref 70

    A variational ansatz built from exact sinh-Gordon vacuum expectation values yields quantitative estimates of the φ⁴ ground-state energy and mass, validated by Borel resummation and truncated-space numerics.