Classical nonrelativistic effective field theories for a real scalar field
Abstract
A classical nonrelativistic effective field theory for a real Lorentz-scalar field $$\phi$$ is most conveniently formulated in terms of a complex scalar field $$\psi$$. There have been two derivations of effective Lagrangians for the complex field $$\psi$$ in which terms in the effective potential were determined to order $$(\psi^* \psi)^4$$. We point out an error in each of the effective Lagrangians. After correcting the errors, we demonstrate the equivalence of the two effective Lagrangians by verifying that they both reproduce $$T$$-matrix elements of the relativistic real scalar field theory and by also constructing a redefinition of the complex field $$\psi$$ that transforms terms in one effective Lagrangian into the corresponding terms of the other.
- Authors:
- Publication Date:
- Research Org.:
- The Ohio State Univ., Columbus, OH (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), High Energy Physics (HEP); National Science Foundation (NSF)
- OSTI Identifier:
- 1482766
- Alternate Identifier(s):
- OSTI ID: 1602490
- Grant/Contract Number:
- SC0011726; PHY-1310862
- Resource Type:
- Published Article
- Journal Name:
- Physical Review. D.
- Additional Journal Information:
- Journal Name: Physical Review. D. Journal Volume: 98 Journal Issue: 9; 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; Axions; Effective field theory
Citation Formats
Braaten, Eric, Mohapatra, Abhishek, and Zhang, Hong. Classical nonrelativistic effective field theories for a real scalar field. United States: N. p., 2018.
Web. doi:10.1103/PhysRevD.98.096012.
Braaten, Eric, Mohapatra, Abhishek, & Zhang, Hong. Classical nonrelativistic effective field theories for a real scalar field. United States. https://doi.org/10.1103/PhysRevD.98.096012
Braaten, Eric, Mohapatra, Abhishek, and Zhang, Hong. Mon .
"Classical nonrelativistic effective field theories for a real scalar field". United States. https://doi.org/10.1103/PhysRevD.98.096012.
@article{osti_1482766,
title = {Classical nonrelativistic effective field theories for a real scalar field},
author = {Braaten, Eric and Mohapatra, Abhishek and Zhang, Hong},
abstractNote = {A classical nonrelativistic effective field theory for a real Lorentz-scalar field $\phi$ is most conveniently formulated in terms of a complex scalar field $\psi$. There have been two derivations of effective Lagrangians for the complex field $\psi$ in which terms in the effective potential were determined to order $(\psi^* \psi)^4$. We point out an error in each of the effective Lagrangians. After correcting the errors, we demonstrate the equivalence of the two effective Lagrangians by verifying that they both reproduce $T$-matrix elements of the relativistic real scalar field theory and by also constructing a redefinition of the complex field $\psi$ that transforms terms in one effective Lagrangian into the corresponding terms of the other.},
doi = {10.1103/PhysRevD.98.096012},
journal = {Physical Review. D.},
number = 9,
volume = 98,
place = {United States},
year = {Mon Nov 19 00:00:00 EST 2018},
month = {Mon Nov 19 00:00:00 EST 2018}
}
https://doi.org/10.1103/PhysRevD.98.096012
Web of Science
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