RUS  ENG
Full version
JOURNALS // Zapiski Nauchnykh Seminarov POMI // Archive

1998, Volume 251

| General information | Contents |


Questions of quantum field theory and statistical physics. Part 15


Correlators of the ladder spin model in the strong coupling limit
N. I. Abarenkova, A. G. Izergin, A. G. Pronko
7
Non-Hermitian integrable models
N. M. Bogoliubov
22
Induced representations of the one-dimensional quantum Galilei group
F. Bonechi, R. Giachetti, E. Sorace, M. Tarlini
33
Spectral gaps in the $XXZ$ quantum spin chain
H.-P. Eckle
42
Effective potential and quantum dynamical correlators
R. Giachetti, V. Tognetti
49
Frustrated Magnetic Systems and the $Q$-Oscillator
A. Cappelli, F. Colomo
57
$Q$-Symmetry in Condensed Matter Physics: Effective Generalized Hubbard Model with Quantum Symmetry
A. Montorsi, M. Rasetti
69
Asymptotics of the Fredholm Determinant Associated with the Correlation Functions of the Quantum Nonlinear Schrödinger Equation
N. A. Slavnov
80
Generalizations of the Supersymmetric $t$$J$ Model
H. Frahm, M. P. Pfannmüller
94
Gauss decomposition of quantum groups and a discrete dynamical model
P. P. Kulish, M. A. Sokolov
105
Two-Higgs Doublet Model from Quasilocal Quark Interactions
A. A. Andrianov, V. A. Andrianov, V. L. Yudichev, R. Rodenberg
115
New integrable systems generated by a deformed supersymmetric algebra
A. A. Andrianov, M. V. Ioffe, D. N. Nishnianidze
159
Binary problem. A spectral approach. II
A. I. Vinogradov
178
Binary problem. A spectral approach. III
A. I. Vinogradov
195
Inverse scattering transform for the Coulomb's plasma with the negative temperature
E. Sh. Gutshabash
215
The Drinfeld–Sokolov reduction for a Lax difference operator with the periodic boundary conditions in the case $gl\bigl(n,\mathbb C((\lambda^{-1}))\bigr)$
A. L. Pirozerskii
233
Classical integrable systems amd automorphisms of representations of $SL(2)$
A. V. Tsiganov
260


© Steklov Math. Inst. of RAS, 2025