Relativistic continuous matrix product states yield competitive variational approximations to ground state energies and observables in the phi^4, Sine-Gordon, and Sinh-Gordon models, including strongly coupled regimes.
Positivity of the๐ 4 3 Hamiltonian.Fortschritte der Physik, 21(7):327โ376
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Discrete Dyson-Schwinger equations for scalar fields produce Gaussian solutions in the continuum limit for d โฅ 4, consistent with Aizenman triviality theorems.
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Some progress on the use of the variational method in quantum field theory
Relativistic continuous matrix product states yield competitive variational approximations to ground state energies and observables in the phi^4, Sine-Gordon, and Sinh-Gordon models, including strongly coupled regimes.
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Discrete Dyson-Schwinger equations
Discrete Dyson-Schwinger equations for scalar fields produce Gaussian solutions in the continuum limit for d โฅ 4, consistent with Aizenman triviality theorems.