4 papers
cond-mat.str-el2005
One-magnon states and electron spin resonance in spin-ladders with singlet-rung ground statein a staggered magnetic field
P. N. Bibikov
One-magnon problem for spin-ladders with exact singlet-rung ground state in arbitrary oriented constant and staggered magnetic fields is studied. For two special configurations whe…
nlin.SI2001
How to solve Yang-Baxter equation using the Taylor expansion of R-matrix
P. N. Bibikov
A new method for solving the Yang-Baxter equation is presented. It is based on the Taylor expansion of R-matrix which is developed up to the power lambda^6. Using this method the R…
nlin.SI2000
R-matrix for asymmetrical XXZ spin chain in magnetic field
P. N. Bibikov
The R-matrix for asymmetrical XXZ spin chain in magnetic field is presented. It depends non-additively on two spectral parameters.
nlin.SI2000
Derivation of R-matrix from local Hamiltonian density
P. N. Bibikov
A computer algebra algoritm for solving the quantum Yang-Baxter equation is presented. It is based on the Taylor expansion of R-matrix which is developed up to the order λ^6. As an…