Experimental quantum state measurement with classical shadows

T Zhang, J Sun, XX Fang, XM Zhang, X Yuan, H Lu - Physical Review Letters, 2021 - APS
A crucial subroutine for various quantum computing and communication algorithms is to
efficiently extract different classical properties of quantum states. In a notable recent …

Edge modes and symmetry-protected topological states in open quantum systems

D Paszko, DC Rose, MH Szymańska, A Pal - PRX Quantum, 2024 - APS
Topological order offers possibilities for processing quantum information that can be
immune to imperfections. However, the question of its stability out of equilibrium is relevant …

Emergent phase transitions in a cluster Ising model with dissipation

ZX Guo, XJ Yu, XD Hu, Z Li - Physical Review A, 2022 - APS
We study a cluster Ising model with non-Hermitian external field which can be exactly solved
in the language of free fermions. By investigating the second derivative of energy density …

Statistical mechanics of the cluster Ising model

P Smacchia, L Amico, P Facchi, R Fazio, G Florio… - Physical Review A …, 2011 - APS
We study a Hamiltonian system describing a three-spin-1/2 clusterlike interaction competing
with an Ising-like antiferromagnetic interaction. We compute free energy, spin-correlation …

Quantum phase transition between cluster and antiferromagnetic states

W Son, L Amico, R Fazio, A Hamma… - Europhysics …, 2011 - iopscience.iop.org
We study a Hamiltonian system describing a three–spin-1/2 cluster-like interaction
competing with an Ising-like exchange. We show that the ground state in the cluster phase …

Quantum sampling algorithms for near-term devices

DS Wild, D Sels, H Pichler, C Zanoci, MD Lukin - Physical Review Letters, 2021 - APS
Efficient sampling from a classical Gibbs distribution is an important computational problem
with applications ranging from statistical physics over Monte Carlo and optimization …

Resource quality of a symmetry-protected topologically ordered phase for quantum computation

J Miller, A Miyake - Physical review letters, 2015 - APS
We investigate entanglement naturally present in the 1D topologically ordered phase
protected with the on-site symmetry group of an octahedron as a potential resource for …

Topological order in 1D Cluster state protected by symmetry

W Son, L Amico, V Vedral - Quantum Information Processing, 2012 - Springer
We demonstrate how to construct the Z 2× Z 2 global symmetry which protects the ground
state degeneracy of cluster states for open boundary conditions. Such a degeneracy …

Detecting subsystem symmetry protected topological order through strange correlators

C Zhou, MY Li, Z Yan, P Ye, ZY Meng - Physical Review B, 2022 - APS
We employ strange correlators to detect 2D subsystem symmetry protected topological
(SSPT) phases which are nontrivial topological phases protected by subsystem symmetries …

Quantum teleportation implies symmetry-protected topological order

Y Hong, DT Stephen, AJ Friedman - Quantum, 2024 - quantum-journal.org
We constrain a broad class of teleportation protocols using insights from locality. In
the``standard''teleportation protocols we consider, all outcome-dependent unitaries are …