Publications (39)
Ground state fidelity from tensor network representations
Huan-Qiang Zhou, Roman Orus, Guifre Vidal
The iTEBD algorithm beyond unitary evolution
Roman Orus, Guifre Vidal
Geometric Entanglement in Topologically Ordered States
Roman Orus, Tzu-Chieh Wei, Oliver Buerschaper +1
Symmetry-protected intermediate trivial phases in quantum spin chains
Augustine Kshetrimayum, Hong-Hao Tu, Roman Orus
Two Slightly-Entangled NP-Complete Problems
Roman Orus
Quantum Phase Transitions in Anti-ferromagnetic Planar Cubic Lattices
Cameron Wellard, Roman Orus
The spin-1/2 Kagome XXZ model in a field: competition between lattice nematic and solid orders
Augustine Kshetrimayum, Thibaut Picot, Roman Orus +1
Entanglement, quantum phase transitions and quantum algorithms
Roman Orus
Topological Minimally Entangled States via Geometric Measure
Oliver Buerschaper, Artur Garcia-Saez, Roman Orus +1
Natural majorization of the Quantum Fourier Transformation in phase-estimation algorithms
Roman Orus, Jose I. Latorre, Miguel A. Martin-Delgado
Weakly-entangled states are dense and robust
Roman Orus, Rolf Tarrach
Finite-Size Geometric Entanglement from Tensor Network Algorithms
Qian-Qian Shi, Roman Orus, John Ove Fjaerestad +1
All spin-1 topological phases in a single spin-2 chain
Augustine Kshetrimayum, Hong-Hao Tu, Roman Orus
Topological transitions from multipartite entanglement with tensor networks: a procedure for sharper and faster characterization
Roman Orus, Tzu-Chieh Wei, Oliver Buerschaper +1
Advances on Tensor Network Theory: Symmetries, Fermions, Entanglement, and Holography
Roman Orus
First order phase transition in the anisotropic quantum orbital compass model
Roman Orus, Andrew C. Doherty, Guifre Vidal
Spin-S Kagome quantum antiferromagnets in a field with tensor networks
Thibaut Picot, Marc Ziegler, Roman Orus +1
Entanglement and SU(n) symmetry in one-dimensional valence bond solid states
Roman Orus, Hong-Hao Tu
Topological Geometric Entanglement
Roman Orus, Tzu-Chieh Wei
Numerical study of the hard-core Bose-Hubbard Model on an Infinite Square Lattice
Jacob Jordan, Roman Orus, Guifre Vidal
Systematic Analysis of Majorization in Quantum Algorithms
Roman Orus, Jose I. Latorre, Miguel A. Martin-Delgado
The iPEPS algorithm, improved: fast full update and gauge fixing
Ho N. Phien, Johann A. Bengua, Hoang D. Tuan +2
Simulation of strongly correlated fermions in two spatial dimensions with fermionic Projected Entangled-Pair States
Philippe Corboz, Roman Orus, Bela Bauer +1
Kitaev honeycomb tensor networks: exact unitary circuits and applications
Philipp Schmoll, Roman Orus
Comment on "Topological quantum phase transitions of attractive spinless fermions in a honeycomb lattice" by Poletti D. et al
Philippe Corboz, Sylvain Capponi, Andreas M. Laeuchli +2
Geometric Entanglement in a One-Dimensional Valence Bond Solid State
Roman Orus
Phase diagram of the SO(n) bilinear-biquadratic chain from many-body entanglement
Roman Orus, Tzu-Chieh Wei, Hong-Hao Tu
Exploring corner transfer matrices and corner tensors for the classical simulation of quantum lattice systems
Roman Orus
Adiabatic quantum computation and quantum phase transitions
Jose Ignacio Latorre, Roman Orus
Visualizing elusive phase transitions with geometric entanglement
Roman Orus, Tzu-Chieh Wei
Universality of Entanglement and Quantum Computation Complexity
Roman Orus, Jose I. Latorre
Effective field theory for the SO(n) bilinear-biquadratic spin chain
Hong-Hao Tu, Roman Orus
Universal geometric entanglement close to quantum phase transitions
Roman Orus
Entanglement and majorization in (1+1)-dimensional quantum systems
Roman Orus
Simulation of two dimensional quantum systems on an infinite lattice revisited: corner transfer matrix for tensor contraction
Roman Orus, Guifre Vidal
Intermediate Haldane phase in spin-2 quantum chains with uniaxial anisotropy
Hong-Hao Tu, Roman Orus
A Practical Introduction to Tensor Networks: Matrix Product States and Projected Entangled Pair States
Roman Orus
Systematic construction of spin liquids on the square lattice from tensor networks with SU(2) symmetry
Matthieu Mambrini, Roman Orus, Didier Poilblanc
Geometric entanglement of one-dimensional systems: bounds and scalings in the thermodynamic limit
Roman Orus, Tzu-Chieh Wei