Superconformal mechanics

S Fedoruk, E Ivanov, O Lechtenfeld - Journal of Physics A …, 2012 - iopscience.iop.org
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Hidden symmetries of integrable conformal mechanical systems

T Hakobyan, S Krivonos, O Lechtenfeld, A Nersessian - Physics Letters A, 2010 - Elsevier
We split the generic conformal mechanical system into a “radial” and an “angular” part,
where the latter is defined as the Hamiltonian system on the orbit of the conformal group …

On Dunkl angular momenta algebra

M Feigin, T Hakobyan - Journal of High Energy Physics, 2015 - Springer
A bstract We consider the quantum angular momentum generators, deformed by means of
the Dunkl operators. Together with the reflection operators they generate a subalgebra in …

Superintegrable models related to near horizon extremal Myers-Perry black hole in arbitrary dimension

A Gala**sky, A Nersessian, A Saghatelian - Journal of High Energy …, 2013 - Springer
A bstract We provide a systematic account of integrability of the spherical mechanics
associated with the near horizon extremal Myers-Perry black hole in arbitrary dimension for …

The quantum angular Calogero-Moser model

M Feigin, O Lechtenfeld, AP Polychronakos - Journal of High Energy …, 2013 - Springer
A bstract The rational Calogero-Moser model of n one-dimensional quantum particles with
inverse-square pairwise interactions (in a confining harmonic potential) is reduced along the …

Superintegrability of generalized Calogero models with oscillator or Coulomb potential

T Hakobyan, O Lechtenfeld, A Nersessian - Physical Review D, 2014 - APS
We deform N-dimensional (Euclidean, spherical and hyperbolic) oscillator and Coulomb
systems, replacing their angular degrees of freedom by those of a generalized rational …

Nonlinear supersymmetry in the quantum Calogero model

F Correa, O Lechtenfeld, M Plyushchay - Journal of High Energy Physics, 2014 - Springer
A bstract It is long known that the rational Calogero model describing n identical particles on
a line with inverse-square mutual interaction potential is quantum superintegrable. We …

Invariants of the spherical sector in conformal mechanics

T Hakobyan, O Lechtenfeld, A Nersessian… - Journal of Physics A …, 2011 - iopscience.iop.org
A direct relation is established between the constants of motion for conformal mechanics
and those for its spherical part. In this way, we find the complete set of functionally …

The spherical sector of the Calogero model as a reduced matrix model

T Hakobyan, O Lechtenfeld, A Nersessian - Nuclear Physics B, 2012 - Elsevier
We investigate the matrix-model origin of the spherical sector of the rational Calogero model
and its constants of motion. We develop a diagrammatic technique which allows us to find …

Action-angle variables for dihedral systems on the circle

O Lechtenfeld, A Nersessian, V Yeghikyan - Physics Letters A, 2010 - Elsevier
A nonrelativistic particle on a circle and subject to a cos− 2 (kφ) potential is related to the two-
dimensional (dihedral) Coxeter system I2 (k), for k∈ N. For such 'dihedral systems' we …