The concept and direction of time

  • Comment on the „Janus point“ explanation of the arrow of time - arXiv:1601.02790 - download
  • The nature and origin of time-asymmetric spacetimes - arxiv:1012.4708 - download (650kB pdf) -- The conclusion that there are only apparent black holes (without event horizons and singularities), drawn in Sect. 3, has now been confirmed by an explicit model calculation: Bacetti, Mann, and Terno, arXiv:1610.07839
  • Open questions regarding the arrow of time In: L. Mersini-Houghton, R. Vaas (eds.): The Arrows of Time (Springer 2012) arxiv:0908.3780 – download (190kB pdf)
  • Time in Quantum Theory In: Compendium of Quantum Physics, D. Greenberger, K. Hentschel, and F. Weinert, edts. (Springer 2009) – download
  • Remarks on the compatibility of opposite arrows of time II, Entropy 8[2], 44-49 (2006)
  • Where has all the information gone? Phys. Lett. A347, 1 (2005) – gr-qc/0507051
  • Remarks on the compatibility of opposite arrows of time, Entropy 7[4], 199-207 (2005) – physics/0306083
  • Note on the time reversal asymmetry of equations of motion, Found. Phys. 12, 193 (1999)  - physics/9903046
  • Über die "Zeit in der Natur" In: Selbstorganisation - Jahrbuch für Komplexität (Duncker & Humblodt 1998)  - download here
  • Arrow of time in a recollapsing quantum universe (with C. Kiefer), Phys. Rev. D51, 4145 (1995) – gr-qc/9402036
  • Time (a-)symmetry in a recollapsing universe, in Physical Origins of Time Asymmetry, J.J. Halliwell, J. Peres-Mercador, and W.H. Zurek, edts., (CUP 1992) - download
  • Quantum cosmology as an initial value problem (with H.-D. Conradi), Phys. Letters A154, 321 (1991)
  • Time in quantum gravity, Phys. Letters A126, 311 (1988)
  • Emergence of classical time from a universal wave function, Phys. Letters A116, 9 (1986) – download here
  • Quantum theory and time asymmetry, Found. Phys. 9, 803 (1979) - quant-ph/0307013
  • Time travel: is it science or mere fiction? (book review), Physics World (December 2001)  - text

  • Book: The Physical Basis of the Direction of Time5th edn. (Springer 2007) - some sample texts can be found here