Publications (72)
Exact quantum numbers of collapsed and non-collapsed 2-string solutions in the Heisenberg spin chain
Tetsuo Deguchi, Pulak Ranjan Giri
Completeness of Bethe ansatz for 1D Hubbard model with AB-flux through combinatorial formulas and exact enumeration of eigenstates
Akinori Nishino, Tetsuo Deguchi
Level Statistics of XXZ Spin Chains with Discrete Symmetries: Analysis through Finite-size Effects
Kazue Kudo, Tetsuo Deguchi
Introduction to solvable lattice models in statistical and mathematical physics
Tetsuo Deguchi
Irreducibility criterion for a finite-dimensional highest weight representation of the sl(2) loop algebra and the dimensions of reducible representations
Tetsuo Deguchi
On the evaluation of form factors and correlation functions for the integrable spin-s XXZ chains via the fusion method
Tetsuo Deguchi, Chihiro Matsui
Form factors of integrable higher-spin XXZ chains and the affine quantum-group symmetry
Tetsuo Deguchi, Chihiro Matsui
Reduction formula of form factors for the integrable spin-s XXZ chains and application to the correlation functions
Tetsuo Deguchi
Geometrical complexity of conformations of ring polymers under topological constraints
Miyuki K. Shimamura, Tetsuo Deguchi
The sl_2 loop algebra symmetry of the six-vertex model at roots of unity
Tetsuo Deguchi, Klaus Fabricius, Barry M. McCoy
Finite-size scaling with respect to interaction and disorder strength at the many-body localization transition
Kazue Kudo, Tetsuo Deguchi
XXZ Bethe states as highest weight vectors of the $sl_2$ loop algebra at roots of unity
Tetsuo Deguchi
Correlation functions of the integrable higher-spin XXX and XXZ spin chains through the fusion method
Tetsuo Deguchi, Chihiro Matsui
Level statistics of a pseudo-Hermitian Dicke model
Tetsuo Deguchi, Pijush K. Ghosh, Kazue Kudo
Colored Vertex Models, Colored IRF Models and Invariants of Trivalent Colored Graphs
Tetsuo Deguchi, Yasuhiro Akutsu
Statistical and hydrodynamic properties of topological polymers for various graphs showing enhanced short-range correlation
Erica Uehara, Tetsuo Deguchi
Diffusion of a ring polymer in good solution via the Brownian dynamics
Naoko Kanaeda, Tetsuo Deguchi
XXZ Bethe states as highest weight vectors of the $sl_2$ loop algebra at roots of unity
Tetsuo Deguchi
Exact quantum dynamics of yrast states in the finite 1D Bose gas
Eriko Kaminishi, Jun Sato, Tetsuo Deguchi
Algebraic aspects of the correlation functions of the integrable higher-spin XXZ spin chains with arbitrary entries
Tetsuo Deguchi, Chihiro Matsui
Crossover temperature of the spin-1/2 XXZ chain with an impurity
Ryoko Yahagi, Jun Sato, Tetsuo Deguchi
Non-regular eigenstate of the XXX model as some limit of the Bethe state
Tetsuo Deguchi
Recurrence time in the quantum dynamics of the 1D Bose gas
Eriko Kaminishi, Jun Sato, Tetsuo Deguchi
Exact Yrast Spectra of Cold Atoms on a Ring
Eriko Kaminishi, Rina Kanamoto, Jun Sato +1
The L(sl_2) symmetry of the Bazhanov-Stroganov model associated with the superintegrable chiral Potts model
Akinori Nishino, Tetsuo Deguchi
Quantum states of dark solitons in the 1D Bose gas
Jun Sato, Rina Kanamoto, Eriko Kaminishi +1
Quantum Group U_q(sl(2)) Symmetry and Explicit Evaluation of the One-Point Functions of the Integrable Spin-1 XXZ Chain
Tetsuo Deguchi, Jun Sato
Quantum Phase Transition in a Pseudo-hermitian Dicke model
Tetsuo Deguchi, Pijush K. Ghosh
Analytic Bethe Ansatz for 1-D Hubbard model and twisted coupled XY model
Ruihong Yue, Tetsuo Deguchi
Scattering functions of knotted ring polymers
Miyuki K. Shimamura, Kumiko Kamata, Akihisa Yao +1
Distribution of the distance between opposite nodes of random polygons with a fixed knot
Akihisa Yao, Hiroshi Tsukahara, Tetsuo Deguchi +1
Exactly Solvable Quasi-hermitian Transverse Ising Model
Tetsuo Deguchi, Pijush K. Ghosh
Finite-size and asymptotic behaviors of the gyration radius of knotted cylindrical polygons
Miyuki K. Shimamura, Tetsuo Deguchi
Multivariable Invariants of Colored Links Generalizing the Alexander Polynomial
Tetsuo Deguchi
Invariants of Colored Links and a Property of the Clebsch-Gordan Coefficients of $U_q(g)$
Tetsuo Deguchi, Tomotada Ohtsuki
Exact regimes of collapsed and extra two-string solutions in the two down-spin sector of the spin-1/2 massive XXZ spin chain
Takashi Imoto, Jun Sato, Tetsuo Deguchi
Exact solutions of 1-D Hubbard model with open boundary conditions and the conformal dimensions under boundary magnetic fields
Tetsuo Deguchi, Ruihong Yue
Power-law relaxation behavior of an initially localized state in the spin-1/2 Heisenberg chain
Tetsuo Deguchi, Pulak Ranjan Giri, Ryoko Hatakeyama
The six-vertex model at roots of unity and some highest weight representations of the sl(2) loop algebra
Tetsuo Deguchi
Extension of a Borel subalgebra symmetry into the sl(2) loop algebra symmetry for the twisted XXZ spin chain at roots of unity and the Onsager algebra
Tetsuo Deguchi
The 8V CSOS model and the $sl_2$ loop algebra symmetry of the six-vertex model at roots of unity
Tetsuo Deguchi
A gapless charge mode induced by the boundary states in the half-filled Hubbard open-chain
Tetsuo Deguchi, Ruihong Yue, Koichi Kusakabe
Average size of random polygons with fixed knot topology
Hiroshi Matsuda, Akihisa Yao, Hiroshi Tsukahara +3
Universality in the diffusion of knots
Naoko Kanaeda, Tetsuo Deguchi
Scaling behavior of knotted random polygons and self-avoiding polygons: Topological swelling with enhanced exponent
Erica Uehara, Tetsuo Deguchi
An algebraic derivation of the eigenspaces associated with an Ising-like spectrum of the superintegrable chiral Potts model
Akinori Nishino, Tetsuo Deguchi
Singular eigenstates in the even(odd) length Heisenberg spin chain
Pulak Ranjan Giri, Tetsuo Deguchi
Unexpected non-Wigner behavior in level-spacing distributions of next-nearest-neighbor coupled XXZ spin chains
Kazue Kudo, Tetsuo Deguchi
Characteristic length of random knotting for cylindrical self-avoiding polygons
Miyuki K. shimamura, Tetsuo Deguchi
Bethe-ansatz studies of energy level crossings in the one-dimensional Hubbard model
Akinori Nishino, Tetsuo Deguchi
Magnetic susceptibility and low-temperature specific-heat of integrable 1-D Hubbard model under open-boundary conditions
Ruihong Yue, Tetsuo Deguchi
Knotting probability of self-avoiding polygons under a topological constraint
Erica Uehara, Tetsuo Deguchi
Anomalous finite-size effects and canonical asymptotic behaviors for the mean-squared gyration radius of Gaussian random knots
Miyuki K. Shimamura, Tetsuo Deguchi
On the Degenerate Multiplicity of the $sl_2$ Loop Algebra for the 6V Transfer Matrix at Roots of Unity
Tetsuo Deguchi
Universal scrambling in gapless quantum spin chains
Shunsuke Nakamura, Eiki Iyoda, Tetsuo Deguchi +1
Exponents of interchain correlation for self-avoiding walks and knotted self-avoiding polygons
Erica Uehara, Tetsuo Deguchi
Level statistics of XXZ spin chains with a random magnetic field
Kazue Kudo, Tetsuo Deguchi
On the Dominance of Trivial Knots among SAPs on a Cubic Lattice
Akihisa Yao, Hiroshi Matsuda, Hiroshi Tsukahara +2
Quantum dark solitons in the 1D Bose gas and the superfluid velocity
Jun Sato, Rina Kanamoto, Eriko Kaminishi +1
The $sl_2$ loop algebra symmetry of the twisted transfer matrix of the six vertex model at roots of unity
Tetsuo Deguchi
Exact relaxation dynamics of a localized many-body state in the 1D bose gas
Jun Sato, Rina Kanamoto, Eriko Kaminishi +1
Finite-size scaling behavior of Bose-Einstein condensation in the 1D Bose gas
Jun Sato, Eriko Kaminishi, Tetsuo Deguchi
Generalized Drinfeld polynomials for highest weight vectors of the Borel subalgebra of the $sl_2$ loop algebra
Tetsuo Deguchi
Non Self-conjugate Strings, Singular Strings and Rigged Configurations in the Heisenberg Model
Tetsuo Deguchi, Pulak Ranjan Giri
Heisenberg model and Rigged Configurations
Pulak Ranjan Giri, Tetsuo Deguchi
Gyration radius of a circular polymer under a topological constraint with excluded volume
Miyuki K. Shimamura, Tetsuo Deguchi
Knot complexity and the probability of random knotting
Miyuki K. Shimamura, Tetsuo Deguchi
Spin chains from super-models
Tetsuo Deguchi, Pijush K. Ghosh
Construction of some missing eigenvectors of the XYZ spin chain at the discrete coupling constants and the exponentially large spectral degeneracy of the transfer matrix
Tetsuo Deguchi
Finite-temperature behavior of an impurity in the spin-1/2 XXZ chain
Ryoko Yahagi, Jun Sato, Tetsuo Deguchi
A New Algorithm for Numerical Calculation of Link Invariants
Tetsuo Deguchi, Kyoichi Tsurusaki
Diagonalization of 2-D inhomogeneous model related to the Hubbard model
Ruihong Yue, Tetsuo Deguchi