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Deconfinement from Thermal Tensor Networks: Universal CFT signature in (2+1)-dimensional lattice gauge theory
Adwait Naravane, Yuto Sugimoto, Shinichiro Akiyama +2
Tensor networks offer a sign-problem-free approach to study lattice gauge theories, but extracting precise universal information associated with the deconfinement transition remain…
Perfect Particle Transmission through Duality Defects
Atsushi Ueda, Vic Vander Linden, Laurens Lootens +3
We study wavepackets that propagate across (a) topological interfaces in quantum spin systems exhibiting non-invertible symmetries and (b) duality defects coupling dual theories. W…
The Chiral Gross-Neveu model on the lattice via a Landau-forbidden phase transition
Gertian Roose, Jutho Haegeman, Karel Van Acoleyen +2
We study the phase diagram of the -dimensional Gross-Neveu model with both and interaction terms on a spatial lattice. The continuous…
Entanglement renormalization for quantum fields
Jutho Haegeman, Tobias J. Osborne, Henri Verschelde +1
It is shown how to construct renormalization group flows of quantum field theories in real space, as opposed to the usual Wilsonian approach in momentum space. This is achieved by…
Applying the variational principle to (1+1)-dimensional quantum field theories
Jutho Haegeman, J. Ignacio Cirac, Tobias J. Osborne +2
We extend the recently introduced continuous matrix product state (cMPS) variational class to the setting of (1+1)-dimensional relativistic quantum field theories. This allows one…