6–7 Jul 2026
Wydział Fizyki Uniwersytetu Warszawskiego
Europe/Warsaw timezone

Elliptic Gaudin-type model in an external magnetic field and modified algebraic Bethe ansatz

6 Jul 2026, 15:30
30m
Sala 0.06 (Wydział Fizyki Uniwersytetu Warszawskiego)

Sala 0.06

Wydział Fizyki Uniwersytetu Warszawskiego

ul. Pasteura 5, Warszawa

Speaker

Taras Skrypnyk (University of the National Education Commission, Krakow)

Description

We will consider elliptic Gaudin-type model in an external magnetic field associated with non-skew-symmetric elliptic r-matrix. We will discuss a modified algebraic Bethe ansatz for the considered elliptic r-matrix and obtain the spectra of the corresponding Gaudin-type Hamiltonians in terms of solutions of modified Bethe equations. The applications of the obtained result to the diagonalization of the anisotropic quantum Euler top, quantum Zhukovsky-Volterra top, quantum Steklov and Rubanovsky tops will be given.

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