scholarly journals Quark triplets in self-interaction and the light-cone structure of current commutators

1974 ◽  
Vol 68 (1) ◽  
pp. 139-156 ◽  
Author(s):  
P. Minkowski
Keyword(s):  
Light Cone ◽  
Cone Structure

scholarly journals CONFORMAL GENERATORS AND DOUBLY SPECIAL RELATIVITY THEORIES

2005 ◽  
Vol 20 (11) ◽  
pp. 861-867 ◽  
Author(s):  
CARLOS LEIVA
Keyword(s):  
Special Relativity ◽  
Linear Combination ◽  
Dimensional Reduction ◽  
Light Cone ◽  
Massless Particle ◽  
Conformal Group ◽  
Cone Structure ◽  
Doubly Special Relativity

In this paper, the relation between the modified Lorenz boosts, proposed in the doubly relativity theories and a linear combination of Conformal Group generators in R1,d-1 is investigated. The introduction of a new generator is proposed in order to deform the Conformal Group to achieve the connection conjectured. The new generator is obtained through a formal dimensional reduction from a free massless particle living in a R2,d space. Due to this treatment it is possible to say that even DSR theories modify light-cone structure in R1,d-1, it could remains, in some cases, untouched in R2,d.

Light-Cone Structure of Current Commutators in the Gluon-Quark Model

1971 ◽  
Vol 4 (4) ◽  
pp. 1059-1072 ◽  
Author(s):  
David J. Gross ◽  
S. B. Treiman
Keyword(s):  
Quark Model ◽  
Light Cone ◽  
Cone Structure

Light-cone structure in the cavity approximation to the bag theory

1975 ◽  
Vol 12 (5) ◽  
pp. 1314-1318 ◽  
Author(s):  
R. L Jaffe ◽  
A. Patrascioiu
Keyword(s):  
Light Cone ◽  
Cone Structure

scholarly journals GENERALLY COVARIANT FRESNEL EQUATION AND THE EMERGENCE OF THE LIGHT CONE STRUCTURE IN LINEAR PRE-METRIC ELECTRODYNAMICS

2002 ◽  
Vol 11 (08) ◽  
pp. 1227-1242 ◽  
Author(s):  
GUILLERMO F. RUBILAR ◽  
YURI N. OBUKHOV ◽  
FRIEDRICH W. HEHL
Keyword(s):  
Light Cone ◽  
Electromagnetic Waves ◽  
Light Propagation ◽  
Electromagnetic Excitation ◽  
Independent Components ◽  
Cone Structure ◽  
Axion Field ◽  
Fresnel Equation ◽  
Generally Covariant ◽  
Cubic Function

We study the propagation of electromagnetic waves in a spacetime devoid of a metric but equipped with a linear electromagnetic spacetime relation H ~ χ · F. Here H is the electromagnetic excitation [Formula: see text] and F the field strength (E,B), whereas χ (having 36 independent components) characterizes the electromagnetic permittivity/permeability of spacetime. We derive analytically the corresponding Fresnel equation and show that it is always quartic in the wave covectors. We study the "Fresnel tensor density" [Formula: see text] as (cubic) function of χ and identify the leading part of χ (20 components) as indispensable for light propagation. Upon requiring electric-magnetic reciprocity of the spacetime relation, the leading part of χ induces the light cone structure of spacetime (9 components), i.e., the spacetime metric up to a function. The possible existence of an Abelian axion field (1 component of χ) and/or of a skewon field (15 components) and their effect on light propagation is discussed in detail. The newly introduced skewon field is expected to be T-odd and related to dissipation.

Light-cone structure of infinite-component fields

1972 ◽  
Vol 74 (2) ◽  
pp. 524-554 ◽  
Author(s):  
H. Bebié ◽  
V. Gorgé ◽  
H. Leutwyler
Keyword(s):  
Light Cone ◽  
Cone Structure ◽  
Infinite Component
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