Home > Research > Publications & Outputs > Calling time on digital clocks

Research

Associated organisational unit

Links

Text available via DOI:

Keywords

View graph of relations

Calling time on digital clocks: Cosmology and Time: Philosophers and Scientists in Dialogue

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Published

Standard

Calling time on digital clocks: Cosmology and Time: Philosophers and Scientists in Dialogue. / Sloan, David.
In: Studies in History and Philosophy of Science Part B: Studies in History and Philosophy of Modern Physics, Vol. 52, 2015, p. 62-68.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Sloan, D 2015, 'Calling time on digital clocks: Cosmology and Time: Philosophers and Scientists in Dialogue', Studies in History and Philosophy of Science Part B: Studies in History and Philosophy of Modern Physics, vol. 52, pp. 62-68. https://doi.org/10.1016/j.shpsb.2015.03.009

APA

Sloan, D. (2015). Calling time on digital clocks: Cosmology and Time: Philosophers and Scientists in Dialogue. Studies in History and Philosophy of Science Part B: Studies in History and Philosophy of Modern Physics, 52, 62-68. https://doi.org/10.1016/j.shpsb.2015.03.009

Vancouver

Sloan D. Calling time on digital clocks: Cosmology and Time: Philosophers and Scientists in Dialogue. Studies in History and Philosophy of Science Part B: Studies in History and Philosophy of Modern Physics. 2015;52:62-68. doi: 10.1016/j.shpsb.2015.03.009

Author

Sloan, David. / Calling time on digital clocks : Cosmology and Time: Philosophers and Scientists in Dialogue. In: Studies in History and Philosophy of Science Part B: Studies in History and Philosophy of Modern Physics. 2015 ; Vol. 52. pp. 62-68.

Bibtex

@article{6b8736bd4b414538a083fc5f3cea679b,
title = "Calling time on digital clocks: Cosmology and Time: Philosophers and Scientists in Dialogue",
abstract = "I explore two logical possibilities for the discretization of time, termed “instantaneous” and “smeared”. These are found by discretizing a continuous theory, and the resulting structure of configuration space and velocities are described. It is shown that results known in numerical methods for integration of dynamical systems preclude the existence of a system with fixed discrete time step which conserves fundamental charges universally, and a method of avoidance of this “no-go” theorem is constructed. Finally the implications of discrete time upon quantum cosmology are discussed.",
keywords = "Digital time, Clocks, Quantum mechanics, Cosmology, Foundations of physics, Perfect actions",
author = "David Sloan",
year = "2015",
doi = "10.1016/j.shpsb.2015.03.009",
language = "English",
volume = "52",
pages = "62--68",
journal = "Studies in History and Philosophy of Science Part B: Studies in History and Philosophy of Modern Physics",
issn = "1355-2198",
publisher = "Elsevier Ltd",

}

RIS

TY - JOUR

T1 - Calling time on digital clocks

T2 - Cosmology and Time: Philosophers and Scientists in Dialogue

AU - Sloan, David

PY - 2015

Y1 - 2015

N2 - I explore two logical possibilities for the discretization of time, termed “instantaneous” and “smeared”. These are found by discretizing a continuous theory, and the resulting structure of configuration space and velocities are described. It is shown that results known in numerical methods for integration of dynamical systems preclude the existence of a system with fixed discrete time step which conserves fundamental charges universally, and a method of avoidance of this “no-go” theorem is constructed. Finally the implications of discrete time upon quantum cosmology are discussed.

AB - I explore two logical possibilities for the discretization of time, termed “instantaneous” and “smeared”. These are found by discretizing a continuous theory, and the resulting structure of configuration space and velocities are described. It is shown that results known in numerical methods for integration of dynamical systems preclude the existence of a system with fixed discrete time step which conserves fundamental charges universally, and a method of avoidance of this “no-go” theorem is constructed. Finally the implications of discrete time upon quantum cosmology are discussed.

KW - Digital time

KW - Clocks

KW - Quantum mechanics

KW - Cosmology

KW - Foundations of physics

KW - Perfect actions

U2 - 10.1016/j.shpsb.2015.03.009

DO - 10.1016/j.shpsb.2015.03.009

M3 - Journal article

VL - 52

SP - 62

EP - 68

JO - Studies in History and Philosophy of Science Part B: Studies in History and Philosophy of Modern Physics

JF - Studies in History and Philosophy of Science Part B: Studies in History and Philosophy of Modern Physics

SN - 1355-2198

ER -