Open Questions regarding the Arrow of Time
H. D. Zeh
TL;DR
This paper discusses conceptual issues related to the arrow of time across classical physics, quantum physics, cosmology, and quantum gravity, focusing on quantum indeterminism and timelessness.
Contribution
It provides a comprehensive analysis of open questions about the nature and directionality of time in fundamental physics.
Findings
Quantum indeterminism influences the arrow of time
Different concepts of timelessness are explored
Open questions remain about the fundamental nature of time
Abstract
Conceptual problems regarding the arrow of time in classical physics, quantum physics, cosmology, and quantum gravity are discussed. Particular attention is paid to the dynamical role of the quantum indeterminism, and to various concepts of timelessness.
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Taxonomy
TopicsQuantum Mechanics and Applications · Relativity and Gravitational Theory