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The space of Lie algebra cohomology is usually described by the dimensions of components of certain degree even for the adjoint module as coefficients when the spaces of cochains and cohomology can be endowed with a Lie superalgebra…

K-Theory and Homology · Mathematics 2007-05-23 Alexei Lebedev , Dimitry Leites , Ilya Shereshevskii

In this paper, we generalize all the results obtained on para-K\"ahler Lie algebras in Journal of Algebra {\bf 436} (2015) 61-101 to para-K\"ahler Lie algebroids. In particular, we study exact para-K\"ahler Lie algebroids as a…

Differential Geometry · Mathematics 2016-11-01 Saïd Benayadi , Mohamed Boucetta

The definitions of para-Grassmann variables and q-oscillator algebras are recalled. Some new properties are given. We then introduce appropriate coherent states as well as their dual states. This allows us to obtain a formula for the trace…

High Energy Physics - Theory · Physics 2008-12-19 Daniel C. Cabra , Enrique F. Moreno , Adrian Tanasa

We introduce a class of multiqubit quantum states which generalizes graph states. These states correspond to an underlying mathematical hypergraph, i.e. a graph where edges connecting more than two vertices are considered. We derive a…

Quantum Physics · Physics 2013-11-13 M. Rossi , M. Huber , D. Bruß , C. Macchiavello

We study Lie algebras admitting para-K\"ahler and hyper-para-K\"ahler structures. We give new characterizations of these Lie algebras and we develop many methods to build large classes of examples. Bai considered para-K\"ahler Lie algebras…

Differential Geometry · Mathematics 2013-12-10 Saïd Benayadi , Mohamed Boucetta

Over $\mathbb{C}$, Montgomery superized Herstein's construction of simple Lie algebras from finite-dimensional associative algebras, found obstructions to the procedure and applied it to $\mathbb{Z}/2$-graded associative algebra of…

Mathematical Physics · Physics 2024-09-17 Dimitry Leites

The Heisenberg algebra is first deformed with the set of parameters ${q, l, \lambda}$ to generate a new family of generalized coherent states. In this framework, the matrix elements of relevant operators are exactly computed. A proof on…

Mathematical Physics · Physics 2013-01-03 J. D. Bukweli-Kyemba , M. N. Hounkonnou

In the first half we show an interesting relation between coherent states and the Bell states in the case of spin 1/2, which was suggested by Fivel. In the latter half we treat generalized coherent states and try to generalize this relation…

Quantum Physics · Physics 2007-05-23 Kazuyuki Fujii

States which minimize the Schr\"odinger--Robertson uncertainty relation are constructed as eigenstates of an operator which is a element of the $h(1) \oplus \su(2)$ algebra. The relations with supercoherent and supersqueezed states of the…

Mathematical Physics · Physics 2007-05-23 Nibaldo Alvarez-Moraga , Veronique Hussin

In this paper, we extend the concept of Lie superalgebras to a more generalized framework called Super-Lie superalgebras. In addition, they seem to be exploring various supergeneralizations of other algebraic structures, such as…

Rings and Algebras · Mathematics 2024-07-02 Sami Mabrouk , Othmen Ncib

We present here a cohomological analysis of the new spacetime superalgebras that arise in the context of superbrane theory. They lead to enlarged superspaces that allow us to write D-brane actions in terms of fields associated with the…

High Energy Physics - Theory · Physics 2009-11-07 J. A. de Azcárraga , J. M. Izquierdo

We introduce and obtain multimode paraboson coherent states. In appropriate subspaces these coherent states provide a decomposition of unity where the measure, when expressed using the cat-type states, is positive definite. Bicoherent…

Mathematical Physics · Physics 2009-02-02 R. Chakrabarti , N. I. Stoilova , J. Van der Jeugt

For the oscillator-like systems, connected with the Laguerre, Legendre and Chebyshev polynomials coherent states of Glauber-Barut-Girardello type are defined. The suggested construction can be applied to each system of orthogonal…

Quantum Algebra · Mathematics 2007-05-23 V. V. Borzov , E. V. Damaskinsky

The exact and stable evolutions of generalized coherent states (GCS) for quantum systems are considered by making use of the time-dependent integrals of motion method and of the Klauder approach to the relationship between quantum and…

Quantum Physics · Physics 2007-05-23 B. A. Nikolov , D. A. Trifonov

This paper is concerned with the construction of phase operators, phase states, vector phase states, and coherent states for a generalized Weyl-Heisenberg algebra. This polynomial algebra (that depends on real parameters) is briefly…

Quantum Physics · Physics 2012-10-17 Maurice Robert Kibler , Mohammed Daoud

The state spaces of generalised coherent states associated with special unitary groups are shown to form rational curves and surfaces in the space of pure states. These curves and surfaces are generated by the various Veronese embeddings of…

Quantum Physics · Physics 2012-12-06 Dorje C. Brody , Eva-Maria Graefe

We consider the problem of existence of the diagonal representation for operators in the space of a family of generalized coherent states associated with an unitary irreducible representation of a (compact) Lie group. We show that necessary…

Quantum Physics · Physics 2018-02-13 N. Mukunda , Arvind , S. Chaturvedi , R. Simon

One introduces the notion of C*-algebra with polarization which could be considered as the quantum Kahler structure. The connection of these algebras with Kostant-Souriou geometric quantization is shown. The theory of polarized C*-algebra…

Mathematical Physics · Physics 2007-05-23 Anatol Odzijewicz

We define coherent states carrying SU(N) charges by exploiting generalized Schwinger boson representation of SU(N) Lie algebra. These coherent states are defined on $2 (2^{N - 1} - 1)$ complex planes. They satisfy continuity property and…

Quantum Physics · Physics 2015-06-26 Manu Mathur , Samir K. Paul

Homotopy Lie algebras are a generalization of differential graded Lie algebras encoding both the kinematics and dynamics of a given field theory. Focusing on kinematics, we show that these algebras provide a natural framework for the…

High Energy Physics - Theory · Physics 2023-05-10 Larisa Jonke