Results 261 to 270 of about 17,306,746 (301)

3D bulk-resolved g-wave altermagnetic order parameter in CrSb. [PDF]

Nature
Long M, Weinberger TI, Wu Z, Hansen MF, Tao R, Shrestha M, Graf D, Skourski Y, Grosche FM, Eaton AG.   +9 more
europepmc   +1 more source

Structural dualities between the Schrödinger equation and its ultra-slow-light counterpart in one spatial and one temporal dimension. [PDF]

Sci Rep
Rojas J, Casanova E, Arias M.
europepmc   +1 more source

Robustness of Topological Phases on Aperiodic Lattices. [PDF]

Math Phys Anal Geom
Li Y.
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space-time symmetry field

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Symmetries of space‐time and geodesic symmetries

Journal of Mathematical Physics, 1990
It is shown how to construct symmetries of the geodesic equation starting from space-time symmetries. The constants of motion associated with space-time symmetries are recovered and a few new ones are found using non-Noetherian conservation theorems. Explicit examples are presented.
Sérgio Hojman
exaly   +2 more sources

Internal and Space-Time Symmetries

Physical Review, 1965
To account for the observed multiplet structure and the mass relations among the known elementary particles, a coupling of internal and space-time properties is considered. Earlier attempts in this direction have failed. The problem is re-examined from a more general point of view, and it is found that under these more relaxed conditions a coupling is ...
Ottoson, U., Kihlberg, A., Nilsson, Jan
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Space-Time Symmetries

2011
exaly   +2 more sources

Concerning Space-Time and Symmetry Groups

Physical Review, 1964
Several theorems are proved which exhibit the impossibility of constructing nontrivial products of the Lorentz group with internal symmetry groups for some physically interesting examples. It is also shown that if the Lorentz group is replaced by the Galilei group, qualitatively different results are obtained; a "linear" breakdown of internal symmetry ...
Mayer, M. E., Schnitzer, H. J., Sudarshan, E. C. G., Acharya, R., Han, M. Y.   +4 more
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Fluid space–times and conharmonic symmetries

Journal of Mathematical Physics, 1998
The conharmonic curvature tensor is considered as an invariant of the conharmonic transformation defined by Ishii and the necessary and sufficient conditions for the conharmonic curvature tensor in a perfect fluid space–time to be divergence free has been obtained. Conharmonic motion, conharmonic collineation, and conharmonic curvature collineation are
Abdussattar, Dwivedi, Babita
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