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- Centre National de la Recherche ScientifiqueFR575 papers
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4 papers · 2 filters
Long-distance asymptotic behaviour of multi-point correlation functions in massless quantum models
N. Kitanine, K. K. Kozlowski, J. M. Maillet +1
We provide a microscopic model setting that allows us to readily access to the large-distance asymptotic behaviour of multi-point correlation functions in massless, one-dimensional…
On critical behaviour in systems of Hamiltonian partial differential equations
B. Dubrovin, T. Grava, C. Klein +1
We study the critical behaviour of solutions to weakly dispersive Hamiltonian systems considered as perturbations of elliptic and hyperbolic systems of hydrodynamic type with two c…
Complete spectrum and scalar products for the open spin-1/2 XXZ quantum chains with non-diagonal boundary terms
S. Faldella, N. Kitanine, G. Niccoli
We use the quantum separation of variable (SOV) method to construct the eigenstates of the open XXZ chain with the most general boundary terms. The eigenstates in the inhomogeneous…
Unitarity of the SoV transform for the Toda chain
K. K. Kozlowski
The quantum separation of variables method consists in mapping the original Hilbert space where a spectral problem is formulated onto one where the spectral problem takes a simpler…