Configurational entropy as a lifetime predictor and pattern discriminator for oscillons
Abstract
Oscillons are long-lived, spherically symmetric, attractor scalar field configurations that emerge as certain field configurations evolve in time. It has been known for many years that there is a direct correlation between the initial configuration’s shape and the resulting oscillon lifetime: a shape memory. In this paper, we use an information-entropic measure of spatial complexity known as differential configurational entropy (DCE) to obtain estimates of oscillon lifetimes in scalar field theories with symmetric and asymmetric double-well potentials. The time-dependent DCE is built from the Fourier transform of the two-point correlation function of the energy density of the scalar field configuration. We obtain a scaling law correlating oscillon lifetimes and measures obtained from its evolving DCE. For the symmetric double well, for example, we show that we can apply DCE to predict an oscillon’s lifetime with an average accuracy of 6% or better. We also show that the DCE acts as a pattern discriminator, able to distinguish initial configurations that evolve into long-lived oscillons from other nonperturbative short-lived fluctuations.
- Authors:
- Publication Date:
- Research Org.:
- Dartmouth College, Hanover, NH (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1437331
- Alternate Identifier(s):
- OSTI ID: 1498838
- Grant/Contract Number:
- SC0010386; sc0010386
- Resource Type:
- Published Article
- Journal Name:
- Physical Review D
- Additional Journal Information:
- Journal Name: Physical Review D Journal Volume: 97 Journal Issue: 9; Journal ID: ISSN 2470-0010
- Publisher:
- American Physical Society
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
Citation Formats
Gleiser, Marcelo, Stephens, Michelle, and Sowinski, Damian. Configurational entropy as a lifetime predictor and pattern discriminator for oscillons. United States: N. p., 2018.
Web. doi:10.1103/PhysRevD.97.096007.
Gleiser, Marcelo, Stephens, Michelle, & Sowinski, Damian. Configurational entropy as a lifetime predictor and pattern discriminator for oscillons. United States. https://doi.org/10.1103/PhysRevD.97.096007
Gleiser, Marcelo, Stephens, Michelle, and Sowinski, Damian. Wed .
"Configurational entropy as a lifetime predictor and pattern discriminator for oscillons". United States. https://doi.org/10.1103/PhysRevD.97.096007.
@article{osti_1437331,
title = {Configurational entropy as a lifetime predictor and pattern discriminator for oscillons},
author = {Gleiser, Marcelo and Stephens, Michelle and Sowinski, Damian},
abstractNote = {Oscillons are long-lived, spherically symmetric, attractor scalar field configurations that emerge as certain field configurations evolve in time. It has been known for many years that there is a direct correlation between the initial configuration’s shape and the resulting oscillon lifetime: a shape memory. In this paper, we use an information-entropic measure of spatial complexity known as differential configurational entropy (DCE) to obtain estimates of oscillon lifetimes in scalar field theories with symmetric and asymmetric double-well potentials. The time-dependent DCE is built from the Fourier transform of the two-point correlation function of the energy density of the scalar field configuration. We obtain a scaling law correlating oscillon lifetimes and measures obtained from its evolving DCE. For the symmetric double well, for example, we show that we can apply DCE to predict an oscillon’s lifetime with an average accuracy of 6% or better. We also show that the DCE acts as a pattern discriminator, able to distinguish initial configurations that evolve into long-lived oscillons from other nonperturbative short-lived fluctuations.},
doi = {10.1103/PhysRevD.97.096007},
journal = {Physical Review D},
number = 9,
volume = 97,
place = {United States},
year = {Wed May 16 00:00:00 EDT 2018},
month = {Wed May 16 00:00:00 EDT 2018}
}
https://doi.org/10.1103/PhysRevD.97.096007
Web of Science
Figures / Tables:
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Works referencing / citing this record:
Configurational Entropy and Newton's Law in Double Sine‐Gordon Braneworlds
journal, August 2019
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