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Nonrelativistic conformal groups

- J. Negro, M. A. Olmo, A. Rodrı́guez-Marco
- Mathematics
- 1 July 1997

In this work a systematic study of finite-dimensional nonrelativistic conformal groups is carried out under two complementary points of view. First, the conformal Killing equation is solved to obtain… Expand

Second-order supersymmetric periodic potentials

- David J Fernández C, J. Negro, L. Nieto
- Physics
- 23 October 2000

Abstract Irreducible second-order SUSY transformations are applied to periodic Hamiltonians in order to find physically acceptable partner potentials with the same band structure as the initial one.… Expand

The Perlick system type I: From the algebra of symmetries to the geometry of the trajectories

- Ş. Kuru, J. Negro, O. Ragnisco
- Physics, Mathematics
- 12 May 2017

Abstract In this paper, we investigate the main algebraic properties of the maximally superintegrable system known as “Perlick system type I”. All possible values of the relevant parameters, K and β,… Expand

Heisenberg-type higher order symmetries of superintegrable systems separable in cartesian coordinates

Heisenberg-type higher order symmetries are studied for both classical and quantum mechanical systems separable in cartesian coordinates. A few particular cases of this type of superintegrable… Expand

Factorizations of one-dimensional classical systems

Abstract A class of one-dimensional classical systems is characterized from an algebraic point of view. The Hamiltonians of these systems are factorized in terms of two functions that together with… Expand

Exact analytic solutions for a Dirac electron moving in graphene under magnetic fields.

- Ş. Kuru, J. Negro, L. Nieto
- Physics, Medicine
- Journal of physics. Condensed matter : an…
- 11 November 2009

TLDR

Bound states and scattering coefficients of the −aδ(x)+bδ′(x)−aδ(x)+bδ′(x) potential

- M. Gadella, J. Negro, L. Nieto
- Physics
- 1 March 2009

We show that a one-dimensional Schrodinger equation in which the potential is a delta well plus a δ′δ′ interaction at the same point has a bound state, and we obtain the energy of this bound state in… Expand

Traveling-Wave Solutions for Korteweg–de Vries–Burgers Equations through Factorizations

- O. Cornejo-Pérez, J. Negro, L. Nieto, H. Rosu
- Mathematics, Physics
- 2 April 2006

Traveling-wave solutions of the standard and compound form of Korteweg–de Vries–Burgers equations are found using factorizations of the corresponding reduced ordinary differential equations. The… Expand

Travelling wave solutions of the generalized Benjamin–Bona–Mahony equation

- P. G. Estévez, Ş. Kuru, J. Negro, L. Nieto
- Mathematics, Physics
- 5 July 2007

Abstract A class of particular travelling wave solutions of the generalized Benjamin–Bona–Mahony equation is studied systematically using the factorization technique. Then, the general travelling… Expand

Classical motion and coherent states for Poschl-Teller potentials

- S. C. Cruz, Ş. Kuru, J. Negro
- Physics
- 25 February 2008

The trigonometric and hyperbolic Poschl–Teller potentials are dealt with from the point of view of classical and quantum mechanics. We show that there is a natural correspondence between the… Expand

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