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Entanglement scaling for
Bram Vanhecke, Frank Verstraete, Karel Van Acoleyen
We study the model in dimensions at criticality, and effectuate a simultaneous scaling of UV and IR physics. We demonstrate that the order parameter , the correlati…
Lattice regularisation and entanglement structure of the Gross-Neveu model
Gertian Roose, Nick Bultinck, Laurens Vanderstraeten +3
We construct a Hamiltonian lattice regularisation of the -flavour Gross-Neveu model that manifestly respects the full symmetry, preventing the appearance of any…
Finite-representation approximation of lattice gauge theories at the continuum limit with tensor networks
Boye Buyens, Simone Montangero, Jutho Haegeman +2
It has been established that Matrix Product States can be used to compute the ground state and single-particle excitations and their properties of lattice gauge theories at the con…
Real-time simulation of the Schwinger effect with Matrix Product States
Boye Buyens, Jutho Haegeman, Florian Hebenstreit +2
Matrix Product States (MPS) are used for the simulation of the real-time dynamics induced by an electric quench on the vacuum state of the massive Schwinger model. For small quench…
Hamiltonian simulation of the Schwinger model at finite temperature
Boye Buyens, Frank Verstraete, Karel Van Acoleyen
Using Matrix Product Operators (MPO) the Schwinger model is simulated in thermal equilibrium. The variational manifold of gauge invariant MPO is constructed to represent Gibbs stat…
Tensor networks for gauge field theories
Boye Buyens, Jutho Haegeman, Frank Verstraete +1
Over the last decade tensor network states (TNS) have emerged as a powerful tool for the study of quantum many body systems. The matrix product states (MPS) are one particular clas…