Research | Ueda Grouphttp://www.ueda-group.qiqb.osaka-u.ac.jp/tags/research/ResearchHugoBlox Kit (https://hugoblox.com)en-usFri, 26 Dec 2025 00:00:00 +0000http://www.ueda-group.qiqb.osaka-u.ac.jp/media/icon_hu_6e9efd0a2d9e586a.pngResearchhttp://www.ueda-group.qiqb.osaka-u.ac.jp/tags/research/Site-Order Optimization in the Density Matrix Renormalization Group via Multi-Site Rearrangementhttp://www.ueda-group.qiqb.osaka-u.ac.jp/publications/site-order-optimization-in-the-density-matrix-renormalization-group-via-multi-site-rearran/Fri, 26 Dec 2025 00:00:00 +0000http://www.ueda-group.qiqb.osaka-u.ac.jp/publications/site-order-optimization-in-the-density-matrix-renormalization-group-via-multi-site-rearran/Phase Transition of the Ising Model on a 3-Dimensional Fractal Latticehttp://www.ueda-group.qiqb.osaka-u.ac.jp/publications/phase-transition-of-the-ising-model-on-a-3-dimensional-fractal-lattice/Fri, 20 Jun 2025 00:00:00 +0000http://www.ueda-group.qiqb.osaka-u.ac.jp/publications/phase-transition-of-the-ising-model-on-a-3-dimensional-fractal-lattice/Current numbers of qubits and their useshttp://www.ueda-group.qiqb.osaka-u.ac.jp/publications/current-numbers-of-qubits-and-their-uses/Fri, 31 May 2024 00:00:00 +0000http://www.ueda-group.qiqb.osaka-u.ac.jp/publications/current-numbers-of-qubits-and-their-uses/Entanglement Entropy on the Boundary of the Square-Lattice ±J Ising Modelhttp://www.ueda-group.qiqb.osaka-u.ac.jp/publications/entanglement-entropy-on-the-boundary-of-the-square-lattice-j-ising-model/Mon, 26 Oct 2020 00:00:00 +0000http://www.ueda-group.qiqb.osaka-u.ac.jp/publications/entanglement-entropy-on-the-boundary-of-the-square-lattice-j-ising-model/Corner transfer matrix renormalization group analysis of the two-dimensional dodecahedron modelhttp://www.ueda-group.qiqb.osaka-u.ac.jp/publications/corner-transfer-matrix-renormalization-group-analysis-of-the-two-dimensional-dodecahedron-/Fri, 18 Sep 2020 00:00:00 +0000http://www.ueda-group.qiqb.osaka-u.ac.jp/publications/corner-transfer-matrix-renormalization-group-analysis-of-the-two-dimensional-dodecahedron-/Roles of easy-plane and easy-axis XXZ anisotropy and bond alternation in a frustrated ferromagnetic spin- 12 chainhttp://www.ueda-group.qiqb.osaka-u.ac.jp/publications/roles-of-easy-plane-and-easy-axis-xxz-anisotropy-and-bond-alternation-in-a-frustrated-ferr/Tue, 30 Jun 2020 00:00:00 +0000http://www.ueda-group.qiqb.osaka-u.ac.jp/publications/roles-of-easy-plane-and-easy-axis-xxz-anisotropy-and-bond-alternation-in-a-frustrated-ferr/Finite- m scaling analysis of Berezinskii-Kosterlitz-Thouless phase transitions and entanglement spectrum for the six-state clock modelhttp://www.ueda-group.qiqb.osaka-u.ac.jp/publications/finite--m-scaling-analysis-of-berezinskii-kosterlitz-thouless-phase-transitions-and-entang/Thu, 04 Jun 2020 00:00:00 +0000http://www.ueda-group.qiqb.osaka-u.ac.jp/publications/finite--m-scaling-analysis-of-berezinskii-kosterlitz-thouless-phase-transitions-and-entang/Emergent spin-1 Haldane gap and ferroelectricity in a frustrated spin-12 ladderhttp://www.ueda-group.qiqb.osaka-u.ac.jp/publications/emergent-spin-1-haldane-gap-and-ferroelectricity-in-a-frustrated-spin-12-ladder/Wed, 01 Apr 2020 00:00:00 +0000http://www.ueda-group.qiqb.osaka-u.ac.jp/publications/emergent-spin-1-haldane-gap-and-ferroelectricity-in-a-frustrated-spin-12-ladder/Symmetry protected topological phases in two-orbital SU(4) fermionic atomshttp://www.ueda-group.qiqb.osaka-u.ac.jp/publications/symmetry-protected-topological-phases-in-two-orbital-su4-fermionic-atoms/Sun, 01 Jul 2018 00:00:00 +0000http://www.ueda-group.qiqb.osaka-u.ac.jp/publications/symmetry-protected-topological-phases-in-two-orbital-su4-fermionic-atoms/Critical behavior of the two-dimensional icosahedron modelhttp://www.ueda-group.qiqb.osaka-u.ac.jp/publications/critical-behavior-of-the-two-dimensional-icosahedron-model/Fri, 01 Dec 2017 00:00:00 +0000http://www.ueda-group.qiqb.osaka-u.ac.jp/publications/critical-behavior-of-the-two-dimensional-icosahedron-model/Exact diagonalization and cluster mean-field study of triangular-lattice XXZ antiferromagnets near saturationhttp://www.ueda-group.qiqb.osaka-u.ac.jp/publications/exact-diagonalization-and-cluster-mean-field-study-of-triangular-lattice-xxz-antiferromagn/Sat, 01 Jul 2017 00:00:00 +0000http://www.ueda-group.qiqb.osaka-u.ac.jp/publications/exact-diagonalization-and-cluster-mean-field-study-of-triangular-lattice-xxz-antiferromagn/Symmetry-protected topological phases and transition in a frustrated spin- 12 XXZ chainhttp://www.ueda-group.qiqb.osaka-u.ac.jp/publications/symmetry-protected-topological-phases-and-transition-in-a-frustrated-spin--12-xxz-chain/Mon, 15 Dec 2014 00:00:00 +0000http://www.ueda-group.qiqb.osaka-u.ac.jp/publications/symmetry-protected-topological-phases-and-transition-in-a-frustrated-spin--12-xxz-chain/Z3 symmetry-protected topological phases in the SU(3) AKLT modelhttp://www.ueda-group.qiqb.osaka-u.ac.jp/publications/z3-symmetry-protected-topological-phases-in-the-su3-aklt-model/Thu, 04 Dec 2014 00:00:00 +0000http://www.ueda-group.qiqb.osaka-u.ac.jp/publications/z3-symmetry-protected-topological-phases-in-the-su3-aklt-model/Vector-spin-chirality order in a dimerized frustrated spin-1/2 chainhttp://www.ueda-group.qiqb.osaka-u.ac.jp/publications/vector-spin-chirality-order-in-a-dimerized-frustrated-spin-12-chain/Wed, 01 Jan 2014 00:00:00 +0000http://www.ueda-group.qiqb.osaka-u.ac.jp/publications/vector-spin-chirality-order-in-a-dimerized-frustrated-spin-12-chain/Hyperbolic Deformation Applied to S=1 Spin Chains -Scaling Relation in Excitation Energy-http://www.ueda-group.qiqb.osaka-u.ac.jp/publications/hyperbolic-deformation-applied-to-s1-spin-chains--scaling-relation-in-excitation-energy/Thu, 01 Sep 2011 00:00:00 +0000http://www.ueda-group.qiqb.osaka-u.ac.jp/publications/hyperbolic-deformation-applied-to-s1-spin-chains--scaling-relation-in-excitation-energy/Determination of boundary scattering, magnon-magnon scattering, and the Haldane gap in Heisenberg spin chainshttp://www.ueda-group.qiqb.osaka-u.ac.jp/publications/determination-of-boundary-scattering-magnon-magnon-scattering-and-the-haldane-gap-in-heise/Fri, 12 Aug 2011 00:00:00 +0000http://www.ueda-group.qiqb.osaka-u.ac.jp/publications/determination-of-boundary-scattering-magnon-magnon-scattering-and-the-haldane-gap-in-heise/Uniform Matrix Product State in the Thermodynamic Limithttp://www.ueda-group.qiqb.osaka-u.ac.jp/publications/uniform-matrix-product-state-in-the-thermodynamic-limit/Tue, 01 Feb 2011 00:00:00 +0000http://www.ueda-group.qiqb.osaka-u.ac.jp/publications/uniform-matrix-product-state-in-the-thermodynamic-limit/Phase Transition of the Ising Model on a Hyperbolic Latticehttp://www.ueda-group.qiqb.osaka-u.ac.jp/publications/phase-transition-of-the-ising-model-on-a-hyperbolic-lattice/Fri, 01 Oct 2010 00:00:00 +0000http://www.ueda-group.qiqb.osaka-u.ac.jp/publications/phase-transition-of-the-ising-model-on-a-hyperbolic-lattice/Scaling Relation for Excitation Energy under Hyperbolic Deformationhttp://www.ueda-group.qiqb.osaka-u.ac.jp/publications/scaling-relation-for-excitation-energy-under-hyperbolic-deformation/Wed, 01 Sep 2010 00:00:00 +0000http://www.ueda-group.qiqb.osaka-u.ac.jp/publications/scaling-relation-for-excitation-energy-under-hyperbolic-deformation/Transverse Field Ising Model Under Hyperbolic Deformationhttp://www.ueda-group.qiqb.osaka-u.ac.jp/publications/transverse-field-ising-model-under-hyperbolic-deformation/Sun, 01 Aug 2010 00:00:00 +0000http://www.ueda-group.qiqb.osaka-u.ac.jp/publications/transverse-field-ising-model-under-hyperbolic-deformation/A Classical Background for the Wave Function Prediction in the Infinite System Density Matrix Renormalization Group Methodhttp://www.ueda-group.qiqb.osaka-u.ac.jp/publications/a-classical-background-for-the-wave-function-prediction-in-the-infinite-system-density-mat/Thu, 01 Apr 2010 00:00:00 +0000http://www.ueda-group.qiqb.osaka-u.ac.jp/publications/a-classical-background-for-the-wave-function-prediction-in-the-infinite-system-density-mat/Finite-size scaling of string order parameters characterizing the Haldane phasehttp://www.ueda-group.qiqb.osaka-u.ac.jp/publications/finite-size-scaling-of-string-order-parameters-characterizing-the-haldane-phase/Mon, 01 Dec 2008 00:00:00 +0000http://www.ueda-group.qiqb.osaka-u.ac.jp/publications/finite-size-scaling-of-string-order-parameters-characterizing-the-haldane-phase/