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Author

Felix Ringer

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2 papers indexed here

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Preprint Sep 2026

Sine-Gordon Model with Bosonic Tensor Networks: Continuum Matching and Soliton Scattering

We use bosonic tensor networks to connect the lattice sine-Gordon model in the Hamiltonian formulation quantitatively to its continuum theory. Matching the lattice vertex operator to its conformal normalization at the free-boson ultraviolet fixed point yields the exact relation between the bare lattice coupling and the...

Florian Hechenberger, Tommaso Rainaldi, Felix Ringer · 0 citations
Preprint Aug 2026

Encoding Compact U(1) Gauge Fields in Bosonic Modes with GKP Stabilization

Compact lattice gauge theories are formulated in terms of angular variables and integer electric fluxes, while bosonic quantum hardware provides oscillator modes with continuous, unbounded quadratures. We bridge this gap with a one-to-one encoding. After Gauss's law is solved, each remaining gauge degree of freedom is...

Victor Ale, Tommaso Rainaldi, E. Rico et al. · 0 citations

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