270 citations · 2.3k across the 66 of their papers we have counts for
9 papers · 1 filter
Anomalous domain wall condensation in a modified Ising chain
Gertian Roose, Laurens Vanderstraeten, Jutho Haegeman +1
We construct a one-dimensional local spin Hamiltonian with an intrinsically non-local, and therefore anomalous, global symmetry. The model is closely related to the…
Quasiparticle origin of dynamical quantum phase transitions
Jad C. Halimeh, Maarten Van Damme, Valentin Zauner-Stauber +1
Considering nonintegrable quantum Ising chains with exponentially decaying interactions, we present matrix product state results that establish a connection between low-energy quas…
Tangent-space methods for uniform matrix product states
Laurens Vanderstraeten, Jutho Haegeman, Frank Verstraete
In these lecture notes we give a technical overview of tangent-space methods for matrix product states in the thermodynamic limit. We introduce the manifold of uniform matrix produ…
Simulating excitation spectra with projected entangled-pair states
Laurens Vanderstraeten, Jutho Haegeman, Frank Verstraete
We develop and benchmark a technique for simulating excitation spectra of generic two-dimensional quantum lattice systems using the framework of projected entangled-pair states (PE…
Non-Abelian chiral spin liquid in a quantum antiferromagnet revealed by an iPEPS study
Ji-Yao Chen, Laurens Vanderstraeten, Sylvain Capponi +1
Abelian and non-Abelian topological phases exhibiting protected chiral edge modes are ubiquitous in the realm of the Fractional Quantum Hall (FQH) effect. Here, we investigate a sp…
Residual entropies for three-dimensional frustrated spin systems with tensor networks
Laurens Vanderstraeten, Bram Vanhecke, Frank Verstraete
We develop a technique for calculating three-dimensional classical partition functions using projected entangled-pair states (PEPS). Our method is based on variational PEPS optimiz…