Selected Publications

Complete List of Publications


    Refereed Papers

  1. N. Poplawski, "Universe in a black hole in Einstein-Cartan gravity", Astrophysical Journal 832(2), 96 (2016) (abstract) (pdf); arXiv:1410.3881 [gr-qc].
  2. S. Desai and N. J. Poplawski, "Non-parametric reconstruction of an inflaton potential from Einstein-Cartan-Sciama-Kibble gravity with particle production", Physics Letters B 755, 183-189 (2016) (abstract) (pdf); arXiv:1510.08834 [astro-ph.CO].
  3. N. J. Poplawski, "The energy and momentum of the Universe", Classical and Quantum Gravity 31(6), 065005 (2014) (abstract) (pdf); arXiv:1305.6977 [gr-qc].
  4. N. Poplawski, "Schwinger's variational principle in Einstein-Cartan gravity", Physical Review D 89(2), 027501 (2014) (abstract) (pdf); arXiv:1310.8014 [gr-qc].
  5. N. Poplawski, "Affine theory of gravitation", General Relativity and Gravitation 46(1), 1625 (2014) (abstract) (pdf); arXiv:1203.0294 [gr-qc].
  6. N. J. Poplawski, "Cosmological consequences of gravity with spin and torsion", Astronomical Review 8(3), 108-115 (2013) (abstract) (pdf); arXiv:1106.4859 [gr-qc].
  7. N. Poplawski, "Nonsingular, big-bounce cosmology from spinor-torsion coupling", Physical Review D 85(10), 107502 (2012) (abstract) (pdf); arXiv:1111.4595 [gr-qc].
  8. N. J. Poplawski, "Big bounce from spin and torsion", General Relativity and Gravitation 44(4), 1007-1014 (2012) (abstract) (pdf); arXiv:1105.6127 [astro-ph.CO].
  9. N. J. Poplawski, "Four-fermion interaction from torsion as dark energy", General Relativity and Gravitation 44(2), 491-499 (2012) (abstract) (pdf); arXiv:1102.5667 [gr-qc].
  10. N. J. Poplawski, "Matter-antimatter asymmetry and dark matter from torsion", Physical Review D 83(8), 084033 (2011) (abstract) (pdf); arXiv:1101.4012 [gr-qc].
  11. N. J. Poplawski, "Cosmological constant from quarks and torsion", Annalen der Physik (Berlin) 523(4), 291-295 (2011) (abstract) (pdf); arXiv:1005.0893 [gr-qc].
  12. N. J. Poplawski, "Cosmology with torsion: An alternative to cosmic inflation", Physics Letters B 694(3), 181-185 (2010) (abstract), Physics Letters B 701(5), 672 (2011) (erratum), (pdf); arXiv:1007.0587 [astro-ph.CO].
  13. N. J. Poplawski, "Nonsingular Dirac particles in spacetime with torsion", Physics Letters B 690(1), 73-77 (2010) (abstract), Physics Letters B 727(4-5), 575 (2013) (erratum), (pdf); arXiv:0910.1181 [gr-qc].
  14. N. J. Poplawski, "Torsion as electromagnetism and spin", International Journal of Theoretical Physics 49(7), 1481-1488 (2010) (abstract) (pdf); arXiv:0905.4284 [gr-qc].
  15. N. J. Poplawski, "Radial motion into an Einstein-Rosen bridge", Physics Letters B 687(2-3), 110-113 (2010) (abstract) (pdf); arXiv:0902.1994 [gr-qc].
  16. N. J. Poplawski, "Variational formulation of Eisenhart's unified theory", International Journal of Modern Physics A 24(20-21), 3975-3984 (2009) (abstract) (pdf); arXiv:0803.4366 [gr-qc].
  17. N. J. Poplawski, "A variational formulation of relativistic hydrodynamics", Physics Letters A 373(31), 2620-2621 (2009) (abstract) (pdf); arXiv:0806.2283 [gr-qc].
  18. N. J. Poplawski, "Gravitation, electromagnetism and the cosmological constant in purely affine gravity", International Journal of Modern Physics D 18(5), 809-829 (2009) (abstract) (pdf); arXiv:gr-qc/0612193.
  19. N. J. Poplawski, "Geometrization of electromagnetism in tetrad-spin-connection gravity", Modern Physics Letters A 24(6), 431-442 (2009) (abstract), Modern Physics Letters A 26(16), 1243 (2011) (erratum), (pdf); arXiv:0801.4797 [gr-qc].
  20. N. J. Poplawski, "Gravitation, electromagnetism and cosmological constant in purely affine gravity", Foundations of Physics 39(3), 307-330 (2009) (abstract) (pdf); arXiv:gr-qc/0701176.
  21. N. J. Poplawski, "F(R) gravity in purely affine formulation", International Journal of Modern Physics A 23(12), 1891-1901 (2008) (abstract) (pdf); arXiv:0706.4474 [gr-qc].
  22. N. J. Poplawski, "The Maxwell Lagrangian in purely affine gravity", International Journal of Modern Physics A 23(3-4), 567-579 (2008) (abstract) (pdf); arXiv:gr-qc/0702129.
  23. N. J. Poplawski, "Massive vectors from projective invariance breaking", Annales de la Fondation Louis de Broglie (France) 32(2-3), 335-353 (2007); in Special issue on torsion (V. Dvoeglazov, ed.) (pdf); arXiv:0709.3652 [gr-qc].
  24. N. J. Poplawski, "On the nonsymmetric purely affine gravity", Modern Physics Letters A 22(36), 2701-2720 (2007) (abstract) (pdf); arXiv:gr-qc/0610132.
  25. N. J. Poplawski, "The cosmic snap parameter in f(R) gravity", Classical and Quantum Gravity 24(11), 3013-3020 (2007) (abstract) (pdf); arXiv:gr-qc/0610133.
  26. N. J. Poplawski, "Propagating torsion in the Einstein frame", Journal of Mathematical Physics 47(11), 112504 (2006) (abstract) (pdf); arXiv:gr-qc/0605061.
  27. N. J. Poplawski, "Interacting dark energy in f(R) gravity", Physical Review D 74(8), 084032 (2006) (abstract) (pdf); arXiv:gr-qc/0607124.
  28. N. J. Poplawski, "The cosmic jerk parameter in f(R) gravity", Physics Letters B 640(4), 135-137 (2006) (abstract) (pdf); arXiv:gr-qc/0607021.
  29. N. J. Poplawski, "A Michelson interferometer in the field of a plane gravitational wave", Journal of Mathematical Physics 47(7), 072501 (2006) (abstract) (pdf); arXiv:gr-qc/0503066.
  30. N. J. Poplawski, "The present universe in the Einstein frame, metric-affine R+1/R gravity", Classical and Quantum Gravity 23(15), 4819-4828 (2006) (abstract) (pdf); arXiv:gr-qc/0511071.
  31. N. J. Poplawski, "Acceleration of the universe in the Einstein frame of a metric-affine f(R) gravity", Classical and Quantum Gravity 23(6), 2011-2020 (2006) (abstract) (pdf); arXiv:gr-qc/0510007.

    Books in Progress

  32. N. J. Poplawski, "SPACETIME AND FIELDS" (2009) (pdf); arXiv:0911.0334 [gr-qc]. Listed in The Net Advance of Physics under General Relativity and Field Theory.


  1. N. Poplawski, "The Lagrangian for the Universe" (2016) (pdf); arXiv:1612.06292 [gr-qc].
  2. N. J. Poplawski, "Kinetization of scalar field by torsion" (2015) (pdf); arXiv:1512.09365 [gr-qc].
  3. N. Poplawski, "Intrinsic spin requires gravity with torsion and curvature" (2013) (pdf); arXiv:1304.0047 [gr-qc].
  4. N. Poplawski, "Gravity with spin excludes fermionic strings" (2012) (pdf); arXiv:1209.5772 [hep-th].
  5. N. J. Poplawski, "Thermal fluctuations in Einstein-Cartan-Sciama-Kibble-Dirac bouncing cosmology" (2011) (pdf); arXiv:1201.0316 [astro-ph.CO].
  6. N. J. Poplawski, "Mass of the universe in a black hole" (2011) (pdf); arXiv:1110.5019 [astro-ph.CO].
  7. N. J. Poplawski, "On the polarization of nonlinear gravitational waves" (2011) (pdf); arXiv:1110.0051 [gr-qc].
  8. N. J. Poplawski, "A Maxwell field minimally coupled to torsion" (2011) (pdf); arXiv:1108.6100 [gr-qc].
  9. N. J. Poplawski, "Conformal time in a black-hole universe with torsion" (2011) (pdf); arXiv:1108.0211 [gr-qc].
  10. N. J. Poplawski, "Neutral-meson oscillations with torsion" (2011) (pdf); arXiv:1105.0102 [hep-ph].
  11. N. J. Poplawski, "On the mass of the Universe born in a black hole" (2011) (pdf); arXiv:1103.4192 [astro-ph.CO].
  12. N. J. Poplawski, "Einstein-Cartan gravity excludes extra dimensions" (2010) (pdf); arXiv:1001.4324 [hep-th].
  13. N. J. Poplawski, "The universe as a black hole in isotropic coordinates" (2009) (pdf); arXiv:0901.0215 [gr-qc].
  14. N. J. Poplawski, "Geometrical formulation of classical electromagnetism" (2008) (pdf); arXiv:0802.4453 [gr-qc].
  15. N. J. Poplawski, "Conservation laws for a general Lorentz connection" (2007) (pdf); arXiv:0711.2341 [gr-qc].
  16. N. J. Poplawski, "Covariant differentiation of spinors for a general affine connection" (2007) (pdf); arXiv:0710.3982 [gr-qc].
  17. N. J. Poplawski, "A unified, purely affine theory of gravitation and electromagnetism" (2007) (pdf); arXiv:0705.0351 [gr-qc].
  18. N. J. Poplawski, "A Lagrangian description of interacting dark energy" (2006) (pdf); arXiv:gr-qc/0608031.
  19. N. J. Poplawski, "Gauge invariance and massive torsionic scalar field" (2006) (pdf); arXiv:gr-qc/0604125.

    Refereed Papers

  1. N. J. Poplawski, A. P. Szczepaniak, and J. T. Londergan, "Final state interactions in decays of the exotic pi1 meson", Physical Review D 71(5), 056003 (2005) (abstract) (pdf); arXiv:hep-ph/0501035.
  2. N. J. Poplawski, A. P. Szczepaniak, and J. T. Londergan, "Towards a relativistic description of exotic meson decays", Physical Review D 71(1), 016004 (2005) (abstract) (pdf); arXiv:hep-ph/0408197.

    Conference Proceedings

  3. N. Poplawski, "A relativistic description of hadronic decays of the meson pi1", AIP Conference Proceedings 717, 456-461 (2004) (abstract) (pdf); arXiv:hep-ph/0507239.
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Last revised: Dec 20, 2016.