Recent Preprints

• "On the one-particle reduced density matrices of a pure three-qutrit quantum state", quant-ph/0308186.

Papers in research Journals

• "Is the equivalence for the response of static scalar sources in the Schwarzschild and Rindler spacetimes valid only in four dimensions?", (with L C B Crispino and G E A Matsas), to appear in Phys Rev D.

• "The Lorentz-Dirac force from QED for linear acceleration", (with G D R Martin), quant-ph/0407162, Phys Rev D 70, 081701(R) (2004).

• "The physical graviton two-point function in de Sitter spacetime with S³ spatial sections", (with R. Weeks), gr-qc/0212031, Class Quantum Grav 20, 3005 (2003).

• "One-qubit reduced states of a pure many-qubit state: polygon inequalities", (with A. Sudbery and J. Szulc), quant-ph/0209085, Phys Rev Letters 90, 107902 (2003).

• "Radiation reaction in quantum field theory", Phys Rev D 66, 105004 (2002), quant-ph/0208017.

• "Low-frequency scalar absorption cross sections for stationary black holes", Class Quantum Grav 18, L139 (2001), hep-th/0108144.

• "The covariant graviton propagator in de Sitter spacetime", (with S S Kouris), Class Quantum Grav 18, 4317 (2001), gr-qc/0107036.

• "On the scalar sector of the covariant graviton two-point function in de Sitter spacetime", (with S S Kouris), Class Quantum Grav 18, 2933 (2001), gr-qc/0011062.

• "Quantization of the electromagnetic field outside static black holes and its application to low energy phenomena", (with L C B Crispino and G E A Matsas), Phys Rev D 63, 124008 (2001), gr-qc/0011070.

• "The energy of unit vector fields on the 3-sphere", (with B S Kay and C M Wood), J Geom Phys 37, 137 (2001), math.DG/0005293.

• "Multipartite generalisation of the Schmidt decomposition", (with H A Carteret and A Sudbery), J Math Phys 41, 7932 (2000), quant-ph/0006125.

• "How entangled can two couples get?", (with A Sudbery), Phys Lett A 273, 213 (2000), quant-ph/0005013.

• "Large-distance behaviour of the graviton two-point function in de Sitter spacetime", (with S S Kouris), Class Quantum Grav 17, 3077 (2000), gr-qc/0004079.

• "Scalar radiation emitted from a source rotating around a black hole", (with L C B Crispino and G E A Matsas), Class Quantum Grav 17, 19 (2000), gr-qc/9901006.

• "Interaction of Hawking radiation with static sources outside a Schwarzschild black hole", (with G E A Matsas and D Sudarsky), Phys Rev D 58, 104021 (1998), gr-qc/9806093.

• "Interaction of Hawking radiation and a static electric charge", (with L C B Crispino and G E A Matsas), Phys Rev D 58, 084027 (1998), gr-qc/9804066.

• "Do static sources outside a Schwarzschild black hole radiate?", (with G E A Matsas and D Sudarsky), Phys Rev D 56, R6071 (1997), gr-qc/9609025.

• "Classical and quantum initial value problems for models of chronology violation", (with C J Fewster and C G Wells), Phys Rev D 54, 3806 (1996), gr-qc/9603045.

• "On the Eigenfunctions of the Dirac operator on spheres and real hyperbolic spaces", (with R Camporesi), J Geom Phys 20, 1 (1996), gr-qc/9505009.

• "Quantum field theory on certain non-globally hyperbolic spacetimes", (with C J Fewster), Class Quantum Grav 13, 51 (1996), gr-qc/9508051.

• "Quantum field theory in Lorentzian universes-from-nothing", (with J L Friedman), Phys Rev D 52, 5687 (1995), gr-qc/9505035.

• "Group quantization of parametrized systems II. Pasting Hilbert spaces", (with P Hajicek and J Tolar), J Math Phys 36, 4639 (1995), gr-qc/9412048.

• "Gauge-symmetry breakdown at the horizon of extreme black holes", (with J Bicak, C Cris and P Hajicek), Class Quantum Grav 12, 479 (1995), gr-qc/9406009.

• "Applications of a new proposal for solving the "problem of time" to some simple quantum cosmological models", (with R M Wald), Phys Rev D 51, 544 (1995), gr-qc/9407038.

• "The Plancherel measure for p-forms in real hyperbolic spaces", (with R Camporesi), J Geom Phys 15, 57 (1994).

• "Spectral functions and zeta functions in hyperbolic spaces", (with R Camporesi), J Math Phys 35, 4217 (1994).

• "Uniformly accelerated finite-time detectors", (with G E A Matsas and C B Peres), Phys Rev D 48, 3731 (1993) .

• "Fulling-Davies-Unruh effect in classical field theory", (with G E A Matsas), Phys Rev D 48, 689 (1993).

• "Arbitrary-spin effective potentials in anti-de Sitter spacetime", (with R Camporesi), Phys Rev D 47, 3339 (1993).

• "Bremsstrahlung and Fulling-Davies-Unruh thermal bath", (with D Sudarsky and G E A Matsas), Phys Rev D 46, 3450 (1992).

• "Stress-energy tensors in anti-de Sitter spacetime", (with R Camporesi), Phys Rev D 45, 3591 (1992).

• "Bremsstrahlung and zero-energy Rindler photons", (with D Sudarsky and G E A Matsas), Phys Rev D 45, R3308 (1992).

• "Quantum linearization instabilities of de Sitter spacetime. I.", Class Quantum Grav 8, 1961 (1991).

• "Quantum linearization instabilities of de Sitter spacetime. II.", Class Quantum Grav 8, 1983 (1991).

• "Linearized gravity in de Sitter spacetime as a representation of SO(4,1)", Class Quantum Grav 8, 2005 (1991).

• "Linearized quantum gravity in flat space with toroidal topology", Class Quantum Grav 8, 2023 (1991).

• "Gauge symmetry breaking by nontrivial boundary conditions", Phys Rev D 43, 3565 (1991).

• "The Schwinger model on a circle with an unconventional boundary condition", Phys Lett B 254, 169 (1991).

• "Consistency of Faddeev-Popov ghost statistics with gravitationally induced pair creation", (with L Parker and Y Wang), Phys Rev D 42, 4078 (1990).

• "State vectors in higher-dimensional gravity with quantum numbers of quarks and leptons", (with J L Friedman), Nucl Phys B339, 491 (1990).

• "Quantum soliton in QED in S¹ x R² spacetime", (with L Parker), J Mod Phys A5, 2251 (1990).

• "Symmetry and internal time on the superspace of asymptotically flat geometries", (with J L Friedman), Phys Rev D 41, 2479 (1990).

• "Massive symmetric tensor field in spacetimes with a positive cosmological constant", Nucl Phys B325, 745 (1989).

• "Massive symmetric tensor field in curved spacetime", Class Quantum Grav 6, 397 (1989).

• "Aspects of QED and non-abelian gauge theories in S¹ x R³ and S¹ x R⁴ spacetimes'', (with L Parker), Phys Rev D 37, 2853 (1988) .

• "Symmetric tensor spherical harmonics on the N-sphere and their application to the de Sitter group SO(N,1)", J Math Phys 28, 1553 (1987).

• "Quantisation of scalar and vector fields inside the cosmological event horizon and its application to the Hawking effect", Class Quantum Grav 4, 721 (1987).

• "Forbidden mass range for spin-2 field theory in de Sitter spacetime", Nucl Phys B282, 397 (1987).

• "First order formulation and geometrical interpretation of d=11 supergravity", (with I Bars), Phys Lett 145B, 329 (1984).

• "Dynamical breaking of supersymmetry and positivity of vacuum energy density", (with Y Kazama), Nucl Phys B206, 152 (1982).

• "Comment on azimuthal dependence in leptoproduction", Phys Lett 108B, 131 (1982).

• "Photon structure functions and azimuthal asymmetries in two-photon processes", (with S Matsuda and J Kodaira), Phys Rev D 24, 1191 (1981) .

Papers in Conference Proceedings

• "Possible constraints on string theory in closed space", in "Noncommutative structures in mathematics and physics" (NATO Advanced Research Workshop, 24-27 September (2000), Kiev, Ukraine), p.465-473, ed. by Steven Duplij, (Kluwar Academic Publishers).

• "Interaction of Hawking radiation with static scalar sources and electric charges outside Schwarzschild black holes", (with L C B Crispino, G E A Matsas and D Sudarsky), in "The Casimir effect 50 years later" (4th workshop on Quantum Field Theory under the influence of external conditions, 14-18 September (1998), Leipzig, Germany), p.351-355, ed. by Michael Bordag, (World Scientific, 1999).

• "Some topics in quantum field theory in curved spacetime", in Proceedings of the 18th Brazilian National Conference on Particles and Fields, Caxambu, MG, Brazil, 1997.

• "Radiation by static sources outside static black hole?", (with G E A Matsas and D Sudarsky), in Proceedings of the 8th Marcel Grossman Meeting on Recent Developments in Theoretical General Relativity, Gravitation and Relativistic Field Theories (MG 8), Jerusalem, Israel, 22-27 June, 1997, pp. A 812-814.

• "Linearized gravity in `closed' universes with continuous symmetries", in "Strings and Symmetries", the Proceedings of the Gursey Memorial Conference I (Springer, Berlin, 1995).

• "Traces of the Fulling-Davies-Unruh effect in classical field theory", (with G E A Matsas), in proceedings of the 7th A. Swieca Summer School of Particle and Fields (World Scientific, Singapore, 1993).

• "Quantum linearization instabilities of de Sitter spacetime", in Directions in General Relativity, vol. 2, ed. by B L Hu and T A Jacobson (Cambridge University, Cambridge, 1993).

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