Search Results - "de Mello, E.R."

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  1. 1

    Induced vacuum currents in anti-de Sitter space with toral dimensions by Bezerra de Mello, E.R., Saharian, A.A., Vardanyan, V.

    Published in Physics letters. B (04-02-2015)
    “…We investigate the Hadamard function and the vacuum expectation value of the current density for a charged massive scalar field on a slice of anti-de Sitter…”
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    Journal Article
  2. 2

    Relativistic quantum dynamics of a charged particle in cosmic string spacetime in the presence of magnetic field and scalar potential by MEDEIROS, E. R. Figueiredo, MELLO, E. R. Bezerra De

    “…In this paper we analyze the relativistic quantum motion of charged spin-0 and spin- particles in the presence of a uniform magnetic field and scalar…”
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    Journal Article
  3. 3

    Vacuum fermionic currents in braneworld models on AdS bulk with a cosmic string by Bellucci, S., dos Santos, W. Oliveira, de Mello, E.R. Bezerra, Saharian, A.A.

    Published in The journal of high energy physics (22-02-2021)
    “…A bstract We investigate the effects of a brane and magnetic-flux-carrying cosmic string on the vacuum expectation value (VEV) of the current density for a…”
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    Journal Article
  4. 4

    Fermionic current induced by magnetic flux in compactified cosmic string spacetime by Bezerra de Mello, E. R., Saharian, A. A.

    “…In this paper, we investigate the fermionic current densities induced by a magnetic flux running along the idealized cosmic string in a four-dimensional…”
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    Journal Article
  5. 5

    Fermionic vacuum polarization in compactified cosmic string spacetime by Bellucci, S., Bezerra de Mello, E. R., de Padua, A., Saharian, A. A.

    “…We investigate the fermionic condensate and the vacuum expectation value (VEV) of the energy-momentum tensor for a charged massive fermionic field in the…”
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    Journal Article
  6. 6

    Cosmological Evolution with Negative Energy Densities by Saharian, A. A., Avagyan, R. M., de Mello, E. R. Bezerra, Kotanjyan, V. Kh, Petrosyan, T. A., Babujyan, H. G.

    Published in Astrophysics (01-09-2022)
    “…For general number of spatial dimensions we investigate the cosmological dynamics driven by a cosmological constant and by a source with barotropic equation of…”
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    Journal Article
  7. 7

    Fermionic Condensate in de Sitter Spacetime by Saharian, A. A., de Mello, E. R. Bezerra, Kotanjyan, A. S., Petrosyan, T. A.

    Published in Astrophysics (01-12-2021)
    “…Fermionic condensate is investigated in (D + 1)-dimensional de Sitter spacetime by using the cutoff function regularization. In order to fix the…”
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    Journal Article
  8. 8

    Electromagnetic Casimir densities induced by a conducting cylindrical shell in the cosmic string spacetime by Bezerra de Mello, E.R., Bezerra, V.B., Saharian, A.A.

    Published in Physics letters. B (08-02-2007)
    “…We investigate the renormalized vacuum expectation values of the field square and the energy–momentum tensor for the electromagnetic field inside and outside…”
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    Journal Article
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    Exact Casimir–Polder potential between a particle and an ideal metal cylindrical shell and the proximity force approximation by Bezerra, V. B., Bezerra de Mello, E. R., Klimchitskaya, G. L., Mostepanenko, V. M., Saharian, A. A.

    “…We derive the exact Casimir–Polder potential for a polarizable microparticle inside an ideal metal cylindrical shell using the Green function method. The exact…”
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    Journal Article
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    Vacuum polarization by a composite topological defect by Bezerra de Mello, E.R., Saharian, A.A.

    Published in Physics letters. B (02-11-2006)
    “…In this Letter we analyze one-loop quantum effects of a scalar field induced by a composite topological defect consisting a cosmic string on a p-dimensional…”
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    Journal Article
  13. 13

    Comment to: “Fine structure constant in the spacetime of a cosmic string” [Phys. Lett. B 614 (2005) 140] by Bezerra de Mello, E.R.

    Published in Physics letters. B (18-08-2005)
    “…In the paper [F. Nasseri, Phys. Lett. B 614 (2005) 140–142], F. Nasseri shows that the value of the fine structure constant reduces due to the presence of a…”
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    Journal Article
  14. 14

    Constraints on the parameters of degree-type hypothetical forces following from the new Casimir force measurement by Klimchitskaya, G.L., Bezerra de Mello, E.R., Mostepanenko, V.M.

    Published in Physics letters. A (15-12-1997)
    “…The additional force is calculated which acts due to the hypothetical degree-type interatomic interactions in the configuration of the recent Casimir force…”
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    Journal Article
  15. 15

    Federation Web: a scheme to compound authorization chains on large-scale distributed systems by Santin, A.O., da Silva Fraga, J., Siqueira, F., de Mello, E.R.

    “…Traditional security systems are not easily scalable and can become single points of failure or performance bottlenecks when used on a large-scale distributed…”
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    Conference Proceeding
  16. 16

    Vacuum polarization by a magnetic flux in a cosmic string background by Spinelly, J., Bezerra de Mello, E.R.

    “…In this paper we analyse the vacuum polarization effects due to a magnetic flux on massless fermionic fields in a cosmic string background. Three distinct…”
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    Journal Article
  17. 17

    A Model to support SPKI Federations management through XKMS by Wangham, M., de Mello, E.R., da Silva Fraga, J., da Silva Boger, D.

    “…The purpose of the XML Key Management Specification (XKMS) is to facilitate the use of a Public Key Infrastructure (PKI) by transferring the complexity…”
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    Conference Proceeding
  18. 18

    Mediation of trust across Web services by de Mello, E.R., da Silva Fraga, J.

    “…This work presents the use of security proposals in the Web Services architecture aiming to provide an environment that guarantees authentication and…”
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    Conference Proceeding
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