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Investigadores :

Página personal del Dr. Rodolfo Gambini


http://www.rau.edu.uy/pedeciba/personas/gambini.htm

El Dr. Rodolfo Gambini es investigador Grado 5 en el Area Física del PEDECIBA. Ingresó al Programa en 1988. Desempeña sus actividades en el Instituto de Física, Facultad de Ciencias.

Su línea de investigación es :

  • Teoría de campos
  • Dirección postal:
    Instituto de Física
    Facultad de Ciencias
    Universidad de la República
    Iguá 4225
    Montevideo 11400
    Uruguay
    tel: (+598 2) 525 8618 y 525 8624-26
    fax: (+598 2) 525 8617
    e-mail :rgambini@fisica.edu.uy



    Publicaciones


    • Gambini R, Griego J
      A geometric approach to the Makeenko-Migdal equations
      Phys Lett B, 256: 437 (1991)

    • Arias P, Gambini R
      An interacting gauge theory of charged particles and strings
      Mod Phys Lett A, 6: 1839 (1991)

    • Fort H, Gambini R
      Lattice QED with light fermions in the P representation
      Phys Rev D, 44: 1257-1262 (1991)

    • Gianvittorio R, Gambini R, Trías A
      Loop calculus for Z2-Higgs lattice gauge models
      J Phys A, 24: 3159 (1991)

    • Di Bartolo C, Gambini R, ; Griego J, Leal L
      Loop space coordinates, linear representations of the diffeomorphism group and knot invariants.
      Comm Math Phys (1991)

    • Gambini R
      Loop space representation of a quantum general relativity and the group of loops
      Phys Lett B, 225: 180 (1991)

    • Arias P, Di Bartolo C, Fustero X, Gambini R, Trías A
      Second quantization of the antisymmetric potential in the abelian surfaces space
      Int J Mod Phys A, 7 (1991)

    • Gambini R, ; Pullin J
      How the Jones polynomial gives rise to physical states of quantum general relativity
      Gen Rel Grav (1992)

    • Gambini R, ; Pullin J, Brugmann B
      Jones polynomials for intersecting knots as physical states of Quantum Gravity
      Nucl Phys B, 385: 587 (1992)

    • Gambini R, Brugmann B, Pullin J
      Knot invariants as nondegenerate quantum geometries
      Phys Rev Lett, 68: 431 (1992)

    • Armand Ugon D, Gambini R
      Symbolic manipulation of loops and lattice gauge theory in the loop representation.
      Comput Phys Commun, 72: 29-38 (1992)

    • Gambini R, Pullin J
      Einstein Maxwell theory in the loop representation
      Phys Rev D, 47 (1993)

    • Armand Ugon D, Gambini R, ; Mora P
      Link invariants for intersecting loops
      Phys Lett B, 305: 214-222 (1993)

    • Gambini R, ; Di Bartolo C, Griego J
      The extended loop group: an infinite dimensional manifold associated with the loop space
      Commun Math Phys, 158: 217-240 (1993)

    • Armand Ugon D, Gambini R, Griego J, Setaro L
      Classical loop actions of Gauge theories
      Phys Rev D, 50: 5352-5357 (1994)

    • Di Bartolo C, Gambini R, Griego J, Pullin J
      Extended loops: a new arena for nonperturbative Quantum gravity
      Phys Rev Lett, 72: 3638 (1994)

    • Gambini R, Pullin J
      Loops, knots, Gauge theories and quantum gravity
      Colección de Física-Matemática de Cambridge University Press (1994)

    • Armand Ugon D, Gakmbini R, Mora P
      Intersecting braids and intersecting knot theory
      J Knot Theory and its Ramif, 41 (1995)

    • Gambini R, Di Bartolo C, Griego J, Pullin J
      Knot polynomial states of Quantum Gravity in terms of loop representation and extended loops: some remarks
      J Math Phys, 36: 6510 (1995)

    • Gambini R, Garat A, Pullin J
      The constraint algebra of quantum gravity in the loop representation
      Int J Mod Phys D, 4: 589 (1995)

    • Di Bartolo C, Gambini R, Griego J
      The extended loop representation of quantum gravity
      Phys Rev D, 51: 502 (1995)

    • Gambini R, Setaro L
      SU(2) QCD in the path representation
      Nucl Phys B, 448: 67 (1995)

    • Fort H, Gambini R
      Fermi-bose transmutation for string-like excitations of Maxwell Higgs systems
      Phys Lett B, 372: 226-230 (1996). Archivo electrónico: hep-th/9502008

    • Fort H, Gambini R
      Fractional statistics in three dimensions: compact Maxwell-Higgs system
      Phys Rev D, 54: 1778-1781 (1996). Archivo electrónico: hep-th/9509114

    • Aroca J, Fort H, Gambini R
      Path integral for lattice staggered fermions in the loop representation
      Nucl Phys B (1996)

    • Gambini R, Doldán R, Mora P
      Quantum mechanics for totally constrained dynamical systems and envolving Hilbert spaces
      Int J Theor Phys, 35: 2057 (1996)

    • Gambini R, Pullin J
      The quantum Einstein equations as skein relations
      Classical Quant Grav (1996)

    • Fort H, Aroca JM, Gambini R
      The path integral for the loop representation of lattice Gauge theories
      Phys Rev D, 54: 7751-7756 (1996). Archivo electrónico: hep-th/9605068

    • Gambini R, Armand Ugon, D, Obregón O, Pullin J
      Towards a loop representation for quantum canonical supergravity.
      Nucl Phys B, 460: 615 (1996)

    • Fort H, Aroca JM, Gambini R
      On the path integral loop representation of (2+1) lattice non-Abelian gauge theories
      Archivo electrónico: hep-lat/9703007

    • Gambini R, Griego J, Pullin J
      Chern-Simons states in spin-network quantum gravity
      Phys Lett B, 413: 260-266 (1997)

    • Gambini R, Pullin J
      Large quantum gravity effects: backreaction on matter
      Mod Phys Lett A, 12: 2407-2414 (1997)

    • Fort H, Gambini R, Pullin J
      Lattice knot theory and quantum gravity in the loop representation
      Phys Rev D, 56-4: 2127-2143 (1997). Archivo electrónico: gr-qc/9608033

    • Gambini R, Pullin J
      Variational derivation of exact skein relations from Chern-Simons theories
      Comm Math Phys, 185: 621 (1997)

    • Gambini R, Griego J, Pullin J
      A spin network generalization of the Jones Polynomial and Vassiliev Invariants
      Phys Lett B, 425: 41 (1998)

    • Gambini R, Pullin J
      Does loop quantum gravity imply lambda=0?
      Phys Lett B, 437: 279 (1998)

    • Gambini R, Morales Tecotl HA, Urrutia LF, Vergara JD
      Loop variables for compact two-dimensional quantum electrodynamics
      Phys Rev D, 57: 3711 (1998)

    • Gambini R, Lewandowski J, Marolf D, Pullin J
      On the consistency of the constraint algebra in spin network quantum gravity
      Int J Mod Phys, D7: 97 (1998)

    • Aroca JM, Fort H, Gambini R
      On the path integral loop representation of (2+1) lattice non-Abelian gauge theories
      Phys Rev D, 58 (1998)

    • Gambini R, Griego J, Pullin J
      Vassiliev invariants: a new framework for quantum gravity
      Nucl Phys B, 534: 635 (1998)

    • Aroca JM, Fort H, Gambini R
      World sheet formulation for lattice staggered fermions
      Phys Rev D, 57: 3701-3710 (1998)

    • Gambini R
      Canonical quantum gravity on the apace of Vassiliev invariants. Prepared for 2nd Workshop on Quantum Gravity in the Southern Cone, Bariloche, Argentina, 7-10 Jan 1998
      Int J Theor Phys, 38: 1063-1080 (1999)

    • Gambini R, Pullin J
      Nonstandard optics from quantum space time
      Phys Rev D, 59: 124021 (1999)

    • Gambini R, Pullin J
      Quantum gravity experimental physics?
      Gen Relat Gravit, 31: 1631-1637 (1999)

    • Gambini R, Obregon O, Pullin J
      Yang-Mills analogs of the Immirzi ambiguity
      Phys Rev, 59: 547 (1999)

    • Di Bartolo C, Gambini R, Griego J, Pullin J
      Canonical quantum gravity in the Vassiliev invariants arena. 1. Kinematical structure
      Classical Quant Grav, 17: 3211-3238 (2000) e-Print Archive: gr-qc/9911009

    • Di Bartolo C, Gambini R, Griego J, Pullin J
      Canonical quantum gravity in the Vassiliev invariants arena. 2. Constraints, Habitats and Consistency of the constraint algebra
      Classical Quant Grav, 17: 3239-3264 (2000) e-Print Archive: gr-qc/9911010

    • Di Bartolo C, Gambini R, Griego J, Pullin J
      Consistent canonical quantization of General Relativity in the space of Vassiliev knot invariants
      Phys Rev Lett, 84: 2314-2317 (2000) e-Print Archive: gr-qc/9909063

    • Gambini R, Pullin J
      Power series expansion in the inverse cosmological constant
      Phys Rev Lett, 85: 5272-5275 (2000) e-Print Archive: gr-qc/0008031

    • Gambini R, Pullin J
      The large cosmological constant approximation to classical and quantum gravity: model examples
      Classical Quant Grav, 17: 4515-4540 (2000) e-Print Archive: gr-qc/0008032

    • Fort H, Gambini R
      The U(1) and strong CP problem from the loop formulation perspective
      Int J Theor Phys, 39: 341-349 (2000) hep-th/9711174

    • Gambini R, Porto RA
      Relational time in generally covariant quantum systems: four models
      Phys Rev D, 63: 105014 (2001) e-Print Archive: gr-qc/0101057

    • Gambini R, Pullin J
      A finite spin foam-based theory of three dimensional and four dimensional quantum gravity
      Phys Rev D, 66: 024020 (2002) e-Print Archive 0111089

    • Di Bartolo C, Gambini R, Pullin J
      Canonical quantization of constrained theories on discrete space-time lattices
      Classical Quant Grav, 19: 5275-5296 (2002) e-Print Archive: gr-qc/0205123

    • Gambini R, Porto RA
      Multi-local relational description of the measurement process in quantum field theory
      New J Phys, 4: 58 (2002) e-Print Archive: quant-ph/0205027

    • Gambini R, Porto RA
      Relational reality in relativistic quantum Mechanics
      Phys Lett A, 294: 129-133 (2002) e-Print Archive: quant-ph/0105146

    • Gambini R, Pullin J
      Canonical quantization of general relativity in discrete Space-Times
      Phys Rev Lett, 90: 021301 (2003) e-Print Archive: gr-qc/0206055

    • Gambini R, Pullin J
      Discrete quantum gravity: A mechanism for selecting the value of fundamental constants
      Int J Mod Phys D (aceptado, 2003) gr-qc/0306095

    • Gambini R, Pullin J
      Discrete quantum gravity: Applications to cosmology
      Classical Quant Grav, 20: 3341-3364 (2003) e-Print Archive: gr-qc/0212033

    • Blanco E, Gambini R, Fariña R
      Mechanical model for theoretical determination of maximum running speed in mammals
      J Theor Biol, 222: 117 (2003)

    • Gambini R, Porto RA
      Physical distinction between a covariant and noncovariant description of the measurement process in relativistic quantum theories
      New J Phys, 5: 1.1-1.10 (2003) quant-ph/0209044