Results 31 to 40 of about 1,556,157 (299)

Machine learning the thermodynamic arrow of time [PDF]

open access: yesNature Physics, 2019
The asymmetry in the flow of events that is expressed by the phrase ‘time’s arrow’ traces back to the second law of thermodynamics. In the microscopic regime, fluctuations prevent us from discerning the direction of time’s arrow with certainty.
Alireza Seif, M. Hafezi, C. Jarzynski
semanticscholar   +1 more source

The Arrow of Time: Can Time be Reversed?

open access: yesInternational journal of multidisciplinary research and analysis, 2021
In the year 1928, Arthur Eddington, a British physicist, first introduced the word “time’s arrow” to physics. He believed that the arrow of time is vividly recognized by consciousness and insisted that the reversal of this arrow would render the physical
Garima Yadav
semanticscholar   +1 more source

The Contractual Cryptoeconomy: An Arrow of Time for Economics

open access: yesThe Journal of The British Blockchain Association, 2019
We consider the potential blockchains have for building a framework for all manner of contracts that can characterize an economy using the unifying idea of control over their duration. Such a contractual cryptoeconomy (CCE)
Prateek Goorha
doaj   +2 more sources

Interventionism in Statistical Mechanics

open access: yesEntropy, 2012
I defend the idea that the fact that no system is entirely isolated (“Interventionism”) can be used to explain the successful use of the microcanonical distribution in statistical mechanics.
Stephen Leeds
doaj   +1 more source

Discovering the Arrow of Time in Machine Learning

open access: yesInformation, 2021
Machine learning (ML) is increasingly useful as data grow in volume and accessibility. ML can perform tasks (e.g., categorisation, decision making, anomaly detection, etc.) through experience and without explicit instruction, even when the data are too ...
J. Kasmire, Anran Zhao
doaj   +1 more source

The Universal Arrow of Time [PDF]

open access: yesFoundations of Physics, 2012
Statistical physics cannot explain why a thermodynamic arrow of time exists, unless one postulates very special and unnatural initial conditions. Yet, we argue that statistical physics can explain why the thermodynamic arrow of time is universal, i.e., why the arrow points in the same direction everywhere.
Kupervasser, Oleg   +2 more
openaire   +3 more sources

Probability, Arrow of Time and Decoherence [PDF]

open access: yes, 2006
This paper relates both to the metaphysics of probability and to the physics of time asymmetry. Using the formalism of decoherent histories, it investigates whether intuitions about intrinsic time directedness that are often associated with probability ...
Bacciagaluppi, Guido
core   +5 more sources

Biological arrow of time: emergence of tangled information hierarchies and self-modelling dynamics [PDF]

open access: yesJournal of Physics: Complexity
We study open-ended evolution by focusing on computational and information-processing dynamics underlying major evolutionary transitions. In doing so, we consider biological organisms as hierarchical dynamical systems that generate regularities in their ...
M. Prokopenko   +8 more
semanticscholar   +1 more source

Gravitational Entropy and Inflation

open access: yesEntropy, 2013
The main topic of this paper is a description of the generation of entropy at the end of the inflationary era. As a generalization of the present standard model of the Universe dominated by pressureless dust and a Lorentz invariant vacuum energy (LIVE ...
Øystein Elgarøy, Øyvind Grøn
doaj   +1 more source

Wormholes and the thermodynamic arrow of time

open access: yesPhysical Review Research, 2020
In classical thermodynamics, heat cannot spontaneously pass from a colder system to a hotter system, which is called the thermodynamic arrow of time. However, if the initial states are entangled, the direction of the thermodynamic arrow of time may not ...
Zhuo-Yu Xian, Long Zhao
doaj   +1 more source

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