Quantum entanglement in condensed matter systems

N Laflorencie - Physics Reports, 2016 - Elsevier
This review focuses on the field of quantum entanglement applied to condensed matter
physics systems with strong correlations, a domain which has rapidly grown over the last …

Tensor network renormalization

G Evenbly, G Vidal - Physical review letters, 2015 - APS
We introduce a coarse-graining transformation for tensor networks that can be applied to
study both the partition function of a classical statistical system and the Euclidean path …

Tensor network renormalization yields the multiscale entanglement renormalization ansatz

G Evenbly, G Vidal - Physical review letters, 2015 - APS
We show how to build a multiscale entanglement renormalization ansatz (MERA)
representation of the ground state of a many-body Hamiltonian H by applying the recently …

Matrix product states for critical spin chains: Finite-size versus finite-entanglement scaling

B Pirvu, G Vidal, F Verstraete, L Tagliacozzo - Physical Review B—Condensed …, 2012 - APS
We investigate the use of matrix product states (MPS) to approximate ground states of critical
quantum spin chains with periodic boundary conditions (PBC). We identify two regimes in …

Algorithms for tensor network renormalization

G Evenbly - Physical Review B, 2017 - APS
We discuss in detail algorithms for implementing tensor network renormalization (TNR) for
the study of classical statistical and quantum many-body systems. First, we recall …

Faster identification of optimal contraction sequences for tensor networks

RNC Pfeifer, J Haegeman, F Verstraete - Physical Review E, 2014 - APS
The efficient evaluation of tensor expressions involving sums over multiple indices is of
significant importance to many fields of research, including quantum many-body physics …

Transfer matrices and excitations with matrix product states

V Zauner, D Draxler, L Vanderstraeten… - New Journal of …, 2015 - iopscience.iop.org
We use the formalism of tensor network states to investigate the relation between static
correlation functions in the ground state of local quantum many-body Hamiltonians and the …

Conformal data from finite entanglement scaling

V Stojevic, J Haegeman, IP McCulloch, L Tagliacozzo… - Physical Review B, 2015 - APS
In this paper, we apply the formalism of translation invariant (continuous) matrix product
states in the thermodynamic limit to (1+ 1)-dimensional critical models. Finite bond …

Topological conformal defects with tensor networks

M Hauru, G Evenbly, WW Ho, D Gaiotto, G Vidal - Physical Review B, 2016 - APS
The critical two-dimensional classical Ising model on the square lattice has two topological
conformal defects: the Z 2 symmetry defect D ε and the Kramers-Wannier duality defect D σ …

Operator content of entanglement spectra in the transverse field Ising chain after global quenches

J Surace, L Tagliacozzo, E Tonni - Physical Review B, 2020 - APS
We consider the time evolution of the gaps of the entanglement spectrum for a block of
consecutive sites in finite transverse field Ising chains after sudden quenches of the …