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Title: Entanglement and collective flavor oscillations in a dense neutrino gas

Abstract

We investigate the importance of going beyond the mean-field approximation in the dynamics of collective neutrino oscillations. To expand our understanding of the coherent neutrino oscillation problem, we apply concepts from many-body physics and quantum information theory. Specifically, we use measures of nontrivial correlations (otherwise known as “entanglement”) between the constituent neutrinos of the many-body system, such as the entanglement entropy and the Bloch vector of the reduced density matrix. The relevance of going beyond the mean field is demonstrated by comparisons between the evolution of the neutrino state in the many-body picture vs the mean-field limit, for different initial conditions.

Authors:
ORCiD logo [1]; ORCiD logo [2]; ORCiD logo [1]; ORCiD logo [3]; ORCiD logo [4]
+ Show Author Affiliations
  1. Univ. of Wisconsin, Madison, WI (United States)
  2. Univ. of Wisconsin, Madison, WI (United States); Univ. of California, Berkeley, CA (United States)
  3. Univ. of Wisconsin, Madison, WI (United States); Univ. of New South Wales, Sydney, NSW (Australia)
  4. San Diego State Univ., CA (United States)
Publication Date:
Research Org.:
Univ. of Wisconsin, Madison, WI (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP)
OSTI Identifier:
1593524
Alternate Identifier(s):
OSTI ID: 1568944; OSTI ID: 1782729
Grant/Contract Number:  
SC0019465
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review D
Additional Journal Information:
Journal Volume: 100; Journal Issue: 8; Journal ID: ISSN 2470-0010
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats

Cervia, Michael J., Patwardhan, Amol V., Balantekin, A. B., Coppersmith, S. N., and Johnson, Calvin W. Entanglement and collective flavor oscillations in a dense neutrino gas. United States: N. p., 2019. Web. doi:10.1103/PhysRevD.100.083001.
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Cervia, Michael J., Patwardhan, Amol V., Balantekin, A. B., Coppersmith, S. N., & Johnson, Calvin W. Entanglement and collective flavor oscillations in a dense neutrino gas. United States. https://doi.org/10.1103/PhysRevD.100.083001
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Cervia, Michael J., Patwardhan, Amol V., Balantekin, A. B., Coppersmith, S. N., and Johnson, Calvin W. Wed . "Entanglement and collective flavor oscillations in a dense neutrino gas". United States. https://doi.org/10.1103/PhysRevD.100.083001. https://www.osti.gov/servlets/purl/1593524.
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@article{osti_1593524,
title = {Entanglement and collective flavor oscillations in a dense neutrino gas},
author = {Cervia, Michael J. and Patwardhan, Amol V. and Balantekin, A. B. and Coppersmith, S. N. and Johnson, Calvin W.},
abstractNote = {We investigate the importance of going beyond the mean-field approximation in the dynamics of collective neutrino oscillations. To expand our understanding of the coherent neutrino oscillation problem, we apply concepts from many-body physics and quantum information theory. Specifically, we use measures of nontrivial correlations (otherwise known as “entanglement”) between the constituent neutrinos of the many-body system, such as the entanglement entropy and the Bloch vector of the reduced density matrix. The relevance of going beyond the mean field is demonstrated by comparisons between the evolution of the neutrino state in the many-body picture vs the mean-field limit, for different initial conditions.},
doi = {10.1103/PhysRevD.100.083001},
journal = {Physical Review D},
number = 8,
volume = 100,
place = {United States},
year = {Wed Oct 02 00:00:00 EDT 2019},
month = {Wed Oct 02 00:00:00 EDT 2019}
}
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Journal Article:
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https://doi.org/10.1103/PhysRevD.100.083001
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Neutrino oscillations above black hole accretion disks: disks with electron-flavor emission
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text, January 2003

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text, January 1992

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text, January 2007

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text, January 1997

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