3,135 research outputs found

    Two-dimensional Lorentz-violating Chern-Simons-like action

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    We demonstrate generation of the two-dimensional Chern-Simons-like Lorentz-breaking action via an appropriate Lorentz-breaking coupling of scalar and spinor fields at zero as well as at the finite temperature and via the noncommutative fields method and study the dispersion relations corresponding to this action.Comment: 10 pages, references added, version accepted to Physics Letters

    InfluĆŖncia da maturaĆ§Ć£o do fruto na germinaĆ§Ć£o da semente da mangaba.

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    bitstream/item/26574/1/cot-34.pd

    Quantum-corrected self-dual black hole entropy in tunneling formalism with GUP

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    In this paper we focus on the Hamilton-Jacobi method to determine the entropy of a self-dual black hole by using linear and quadratic GUPs(generalized uncertainty principles). We have obtained the Bekenstein-Hawking entropy of self-dual black holes and its quantum corrections that are logarithm and also of several other types.Comment: Latex, 7 pages, no figure. Version to appear in PLB. arXiv admin note: substantial text overlap with arXiv:1502.0017

    Gravitational Aharonov-Bohm effect due to noncommutative BTZ black hole

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    In this paper we consider the scattering of massless planar scalar waves by a noncommutative BTZ black hole. We compute the differential cross section via the partial wave approach, and we mainly show that the scattering of planar waves leads to a modified Aharonov-Bohm effect due to spacetime noncommutativityComment: 6 pages, latex, no figures. To appear in PLB. arXiv admin note: substantial text overlap with arXiv:1210.773

    InfluĆŖncia da maturaĆ§Ć£o do fruto na germinaĆ§Ć£o da semente de coco.

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    Avalia o efeito do estĆ”gio de maturaĆ§Ć£o do fruto no processo germinativo da semente de coco.bitstream/item/81730/1/CPATC-COM.-TEC.-27-98.pd
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