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7 papers · 2 filters
Quantum Cosmological Approach to 2d Dilaton Gravity
J. Navarro-Salas, C. F. Talavera
We study the canonical quantization of the induced 2d-gravity and the pure gravity CGHS-model on a closed spatial section. The Wheeler-DeWitt equations are solved in (spatially hom…
On Coherent States and q-Deformed Algebras
Demosthenes Ellinas
We review some aspects of the relation between ordinary coherent states and q-deformed generalized coherent states with some of the simplest cases of quantum Lie algebras. In parti…
Reflection equations and q-Minkowski space algebras
J. A. de Azcárraga, P. P. Kulish, F. Ródenas
We express the defining relations of the -deformed Minkowski space algebra as well as that of the corresponding derivatives and differentials in the form of reflection equations…
Complex analytic realizations for quantum algebras
J. A. de Azcárraga, Demosthenes Ellinas
A method for obtaining complex analytic realizations for a class of deformed algebras based on their respective deformation mappings and their ordinary coherent states is introduce…
N-String Vertices in String Field Theory
J. Bordes, A. Abdurrahman, F. Anton
We give the general form of the vertex corresponding to the interaction of an arbitrary number of strings. The technique employed relies on the ``comma" representation of String Fi…
Half-String Approach to Closed String Field Theory
F. Anton, A. Abdurrahman, J. Bordes
In this letter we present an operator formalism for Closed String Field Theory based on closed half-strings. Our results indicate that the restricted polyhedra of the classical non…