Results 31 to 40 of about 30,334 (209)

The Bethe ansatz as a matrix product ansatz [PDF]

open access: yesJournal of Physics A: Mathematical and General, 2003
4 pages and no ...
Alcaraz, Francisco C., Lazo, Matheus J.
openaire   +3 more sources

Gaudin models for gl(m|n) [PDF]

open access: yes, 2014
Date of Acceptance: 16/04/2015We establish the basics of the Bethe ansatz for the Gaudin model associated to the Lie superalgebra gl(m|n). In particular, we prove the completeness of the Bethe ansatz in the case of tensor products of fundamental ...
Benoît Vicedo   +10 more
core   +3 more sources

Spectrum of the quantum integrable D 2 2 $$ {D}_2^{(2)} $$ spin chain with generic boundary fields

open access: yesJournal of High Energy Physics, 2022
Exact solution of the quantum integrable D 2 2 $$ {D}_2^{(2)} $$ spin chain with generic integrable boundary fields is constructed. It is found that the transfer matrix of this model can be factorized as the product of those of two open staggered ...
Guang-Liang Li   +4 more
doaj   +1 more source

Massless AdS 2 scattering and Bethe ansatz [PDF]

open access: yesJournal of High Energy Physics, 2017
We first analyse the integrable scattering theory describing the massless excitations of $AdS_2 \times S^2 \times T^6$ superstrings in the relativistic limit. The matrix part of the S-matrix is obtained in the BMN limit from the conjectured exact expression, and compared with known S-matrices with N=1 supersymmetry.
Fontanella, Andrea   +1 more
openaire   +5 more sources

Bethe Ansatz and Bethe Vectors Scalar Products [PDF]

open access: yesSymmetry, Integrability and Geometry: Methods and Applications, 2010
An integral presentation for the scalar products of nested Bethe vectors for the quantum integrable models associated with the quantum affine algebra $U_q(\hat{\mathfrak{gl}}_3)$ is given. This result is obtained in the framework of the universal Bethe ansatz, using presentation of the universal Bethe vectors in terms of the total currents of a "new ...
Belliard, Samuel   +2 more
openaire   +6 more sources

Diagonalization of the Heun-Askey-Wilson operator, Leonard pairs and the algebraic Bethe ansatz

open access: yesNuclear Physics B, 2019
An operator of Heun-Askey-Wilson type is diagonalized within the framework of the algebraic Bethe ansatz using the theory of Leonard pairs. For different specializations and the generic case, the corresponding eigenstates are constructed in the form of ...
Pascal Baseilhac, Rodrigo A. Pimenta
doaj   +1 more source

Exact solution of the one-dimensional super-symmetric t-J model with unparallel boundary fields

open access: yes, 2014
The exact solution of the one-dimensional super-symmetric t-J model under generic integrable boundary conditions is obtained via the Bethe ansatz methods.
Cao, Junpeng   +4 more
core   +1 more source

Algebraic Bethe Ansatz for O(2N) sigma models with integrable diagonal boundaries [PDF]

open access: yes, 2016
The finite volume problem of O(2N) sigma models with integrable diagonal boundaries on a finite interval is investigated. The double row transfer matrix is diagonalized by Algebraic Bethe Ansatz.
Gombor, Tamas, Palla, Laszlo
core   +3 more sources

Jordan blocks and the Bethe Ansatz I: The eclectic spin chain as a limit

open access: yesNuclear Physics B, 2022
We present a procedure to extract the generalised eigenvectors of a non-diagonalisable matrix by considering a diagonalisable perturbation of it and computing the non-diagonalisable limit of its eigenvectors.
Juan Miguel Nieto García, Leander Wyss
doaj   +1 more source

Exact solution of the simplest super-orthosymplectic invariant magnet

open access: yes, 1994
We present the exact solution of the $Osp(1|2)$ invariant magnet by the Bethe ansatz approach. The associated Bethe ansatz equation exhibit a new feature by presenting an explicit and distinct phase behaviour in even and odd sectors of the theory.
A. Foerster   +16 more
core   +1 more source

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