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Quasi-plane waves for spin 1 field in Lobachevsky space and a generalized helicity operator
Quasi-plane waves spin 1 field Lobachevsky space generalized helicity operator Mathematical Physics
2012/5/9
Spin 1 particle is investigated in 3-dimensional curved space of constant negative curvature. An extended helicity operator is defined and the variables are separated in a tetrad-based 10-dimensional ...
Plane waves in a moving medium and the Lorentz covariance of Minkowski's photon and electromagnetic momentum-energy four-vectors
invariance of phase, wave four-vector, moving dielectric medium, light momentum in medium
2011/8/30
In this paper, invariant forms of refractive index, phase velocity, and group velocity are defined for plane waves in a moving medium. From the covariant wave four-vector combined with Einstein’s ligh...
2005Vol.44No.3pp.463-472DOI:
Two-Flux Colliding Plane Waves in String Theory
CHEN Bin1 and ZHANG Jun-Feng2
1 Department of Physics, Peking University, Beijing 100871, Ch...
Strings in Flat Space and Plane Waves from N = 4 Super Yang Mills
Strings Flat Space Plane Waves N = 4 Super Yang Mills
2010/10/18
We explain how the string spectrum in flat space and plane waves arises from the large N limit of U(N) N = 4 super Yang Mills. We reproduce the spectrum by summing a subset of the planar Feynman diagr...