Constructive Interference Between Disordered Couplings Enhances Multiparty Entanglement in Quantum Heisenberg Spin Glass Models
arXiv:1408.0179 · doi:10.1088/1367-2630/18/8/083044
Abstract
Disordered systems form one of the centrestages of research in many body sciences and lead to a plethora of interesting phenomena and applications. A paradigmatic disordered system consists of an one-dimensional array of quantum spin-1/2 particles, governed by the Heisenberg spin glass Hamiltonian with natural or engineered quenched disordered couplings in an external magnetic field. These systems allow disorder-induced enhancement for bipartite and multipartite observables. Here we show that simultaneous application of independent quenched disorders results in disorder-induced enhancement, while the same is absent with individual application of the same disorders. We term the phenomenon as constructive interference and the corresponding parameter stretches as the Venus regions. Interestingly, it has only been observed for multiparty entanglement and is absent for the single- and two-party physical quantities.
Close to published version, some additional material wrt published version, 17 pages, 6 figure
References in corpus (31)
- Many body localization and thermalization in quantum statistical mechanics
- Ultracold atomic gases in optical lattices: mimicking condensed matter physics and beyond
- Matrix Product States, Projected Entangled Pair States, and variational renormalization group methods for quantum spin systems
- Quantum computing with trapped ions
- Superconducting Circuits and Quantum Information
- General Monogamy Inequality for Bipartite Qubit Entanglement
- Quantum Communication through Spin Chain Dynamics: an Introductory Overview
- Quantum information transfer using photons
- Cryptanalysis of the Hillery-Buzek-Berthiaume quantum secret-sharing protocol
- Disproving the Peres conjecture: Bell nonlocality from bipartite bound entanglement
- Hierarchies of Geometric Entanglement
- Steering bound entangled states: A counterexample to the stronger Peres conjecture
- Entanglement, avoided crossings and quantum chaos in an Ising model with a tilted magnetic field
- Quantum Information Processing in Optical Lattices and Magnetic Microtraps
- Order from Disorder in Graphene Quantum Hall Ferromagnet
- Topological protection, disorder, and interactions: Survival at the surface of 3D topological superconductors
- Entanglement Across a Transition to Quantum Chaos
- Quantum Chaos, Delocalization, and Entanglement in Disordered Heisenberg Models
- Density Matrix Renormalization Group for Dummies
- Quenched disorder forbids discontinuous transitions in nonequilibrium low-dimensional systems
- Disorder-Induced Order in Two-Component Bose-Einstein Condensates
- Anti-Zeno Effect for Quantum Transport in Disordered Systems
- Connecting the generalized robustness and the geometric measure of entanglement
- Critical Exponents of the Superfluid-Bose Glass Transition in Three-Dimensions
- Observation of disorder-induced weakening of electron-phonon interaction in thin noble metal films
- Interplay of Topological Order and Spin Glassiness in the Toric Code under Random Magnetic Fields
- Entanglement Enhances Security in Secret Sharing
- Evaluating the geometric measure of multiparticle entanglement
- Disorder-Induced First Order Transition and Curie Temperature Lowering in Ferromagnatic Manganites
- Enhancing the Detection of Natural Thermal Entanglement with Disorder
- Competing impurities and reentrant magnetism in La(2-x)Sr(x)Cu(1-z)Zn(z)O(4) revisited. The role of the Dzyaloshinskii-Moriya and XY anisotropies
Cited by in corpus (10)
- Enhancement in performance of quantum battery by ordered and disordered interactions
- Dynamic-Disorder-Induced Enhancement of Entanglement in Photonic Quantum Walks
- Scale-invariant freezing of entanglement
- Spontaneous magnetization of quantum spin model in joint presence of quenched and annealed disorder
- Stark localization near Aubry-André criticality
- Effect of long-range interactions on multipartite entanglement in Heisenberg chains
- Production of genuine multimode entanglement in circular waveguides with long-range interactions
- Glassy disorder-induced effects in noisy dynamics of Bose-Hubbard and Fermi-Hubbard systems
- Response of entanglement to annealed vis-à-vis quenched disorder in quantum spin models
- Localization with non-Hermitian off-diagonal disorder