- Title Pages
- Preface
- 1 Introduction
- 2 Observers and time
- 3 Subjective images of time
- 4 Cultural images of time
- 5 Literary images of time
- 6 Objective images of time
- 7 Mathematical images of time
- 8 Illusionary images of time
- 9 Causal images of time
- 10 Physics and time
- 11 Biological time
- 12 The dimensions of time
- 13 The architecture of time
- 14 Absolute time
- 15 The reparametrization of time
- 16 Origins of relativity
- 17 Special relativity
- 18 Generalized transformations
- 19 General relativistic time
- 20 Time travel
- 21 Imaginary time
- 22 Irreversible time
- 23 Discrete time
- 24 Time and quanta
- 25 Temporal correlations
- 26 Time reversal
- 27 Quantized spacetime
- 28 Epilogue
- Appendix
- Bibliography
- Index
Quantized spacetime
Quantized spacetime
- Chapter:
- (p.273) 27 Quantized spacetime
- Source:
- Images of Time
- Author(s):
George Jaroszkiewicz
- Publisher:
- Oxford University Press
This chapter focuses on the fact that by definition, empty spacetime cannot be observed. Therefore, there is room here not only for different mathematical models of the information void (the spacetime region devoid of any detection apparatus) but also for different interpretations as to what space and time actually mean there. The chapter discusses Mach’s relationalism and Einstein’s view of the aether. It discusses Planck’s quantization hypothesis, photons, and the possibility of modelling the information void with something other than Minkowski spacetime. The chapter finishes with a discussion of Hartland Snyder’s quantized spacetime algebra, a modification of standard relativistic quantum theory that may yet provide a better model for the void than classical Minkowski spacetime. The chapter shows that in Snyder’s model, space is quantized but time is not.
Keywords: information void, relationalism, Mach, Einstein, Minkowski spacetime, Planck quantization, Snyder’s spacetime algebra, quantized space
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- Title Pages
- Preface
- 1 Introduction
- 2 Observers and time
- 3 Subjective images of time
- 4 Cultural images of time
- 5 Literary images of time
- 6 Objective images of time
- 7 Mathematical images of time
- 8 Illusionary images of time
- 9 Causal images of time
- 10 Physics and time
- 11 Biological time
- 12 The dimensions of time
- 13 The architecture of time
- 14 Absolute time
- 15 The reparametrization of time
- 16 Origins of relativity
- 17 Special relativity
- 18 Generalized transformations
- 19 General relativistic time
- 20 Time travel
- 21 Imaginary time
- 22 Irreversible time
- 23 Discrete time
- 24 Time and quanta
- 25 Temporal correlations
- 26 Time reversal
- 27 Quantized spacetime
- 28 Epilogue
- Appendix
- Bibliography
- Index
