Introduces wavelet matrix product states as a tensor network variational method for continuum quantum fields, allowing standard MPS algorithms and scale refinement, tested on Lieb-Liniger energy and correlations.
Basak, A novel hamiltonian formulation of 1 + 1 di- mensionalϕ 4 theory in daubechies wavelet basis: momen- tum space analysis (2026), arXiv:2601.22953 [hep-th]
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Wavelet Matrix Product States for Quantum Fields
Introduces wavelet matrix product states as a tensor network variational method for continuum quantum fields, allowing standard MPS algorithms and scale refinement, tested on Lieb-Liniger energy and correlations.