Energy and Angular Momentum ofthe Weak Gravitational Waves on the Schwarzschild Background — Quasilocal Gauge-invariant Formulation

1999 ◽  
Vol 31 (12) ◽  
pp. 1855-1890 ◽  
Author(s):  
Jacek Jezierski
Keyword(s):  
Angular Momentum ◽  
Gravitational Waves ◽  
Gauge Invariant ◽  
Invariant Formulation ◽  
Schwarzschild Background

scholarly journals Gauge invariant formulation of metric f(R) gravity for gravitational waves

2019 ◽  
Vol 100 (8) ◽  
Author(s):  
Fabio Moretti ◽  
Flavio Bombacigno ◽  
Giovanni Montani
Keyword(s):  
Gravitational Waves ◽  
Gauge Invariant ◽  
Invariant Formulation

Gauge-invariant formulation of axion-electrodynamics

2021 ◽  
Author(s):  
Stanley A. Bruce
Keyword(s):  
Dirac Fermion ◽  
Dirac Field ◽  
Gauge Invariant ◽  
Fermion Fields ◽  
Simple Generalization ◽  
Invariant Formulation ◽  
Em Field

In this paper, we propose a simple generalization of axion-electrodynamics (AED) for the general case in which Dirac fermion fields and scalar/pseudoscalar axion-like fields are present in the local [Formula: see text]([Formula: see text])[Formula: see text] gauge-invariant Lagrangian of the system. Our primary goal (which is not explored here) is to understand and predict novel phenomena that have no counterpart in standard (pseudoscalar) AED. With this end in view, we discuss on very general grounds, possible processes in which a Dirac field is coupled to axionic fields via the electromagnetic (EM) field.

scholarly journals Gravitational waves with orbital angular momentum

2020 ◽  
Vol 80 (4) ◽  
Author(s):  
Pratyusava Baral ◽  
Anarya Ray ◽  
Ratna Koley ◽  
Parthasarathi Majumdar
Keyword(s):  
Angular Momentum ◽  
Gravitational Waves ◽  
Orbital Angular Momentum

scholarly journals Gauge-Invariant Formulation of Time-Dependent Configuration Interaction Singles Method

2018 ◽  
Vol 8 (3) ◽  
pp. 433 ◽  
Author(s):  
Takeshi Sato ◽  
Takuma Teramura ◽  
Kenichi Ishikawa
Keyword(s):  
Configuration Interaction ◽  
Time Dependent ◽  
Gauge Invariant ◽  
Invariant Formulation

scholarly journals NUCLEON SPIN IN QCD: OLD CRISIS AND NEW RESOLUTION

2012 ◽  
Vol 27 (31) ◽  
pp. 1230032 ◽  
Author(s):  
Y. M. CHO ◽  
MO-LIN GE ◽  
PENGMING ZHANG
Keyword(s):  
Angular Momentum ◽  
Gauge Invariance ◽  
Nucleon Spin ◽  
Gauge Invariant ◽  
Abelian Decomposition ◽  
Invariance Problem

We clarify the on-going confusion on the long-standing gauge invariance problem of the nucleon spin decomposition to the spin and angular momentum of quarks and gluons. We provide two gauge-invariant decompositions of nucleon spin which have different physical meanings, using the gauge independent Abelian decomposition. The first one is based on the assumption that all (binding and valence) gluons contribute to the nucleon spin, but the second one is based on the assumption that only the binding gluons (and the quarks) contribute to it.

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