|
| related topics |
| {field, particle, equation} |
| {equation, function, exp} |
| {wave, scattering, interference} |
| {light, field, probe} |
| {time, systems, information} |
| {particle, mechanics, theory} |
| {state, states, coherent} |
| {phase, path, phys} |
| {time, wave, function} |
| {group, space, representation} |
| {cos, sin, state} |
|
Superluminal solutions to the Klein-Gordon equation and a causality
problem
A. A. Borghardt, M. A. Belogolovskii, D. Ya. Karpenko
abstract: We present a new axially symmetric monochromatic free-space solution to the
Klein-Gordon equation propagating with a superluminal group velocity and show
that it gives rise to an imaginary part of the causal propagator outside the
light cone. We address the question about causality of the spacelike paths and
argue that the signal with a well-defined wavefront formed by the superluminal
modes would propagate in vacuum with the light speed.
- oai_identifier:
- oai:arXiv.org:quant-ph/0310110
- categories:
- quant-ph
- comments:
- to be published in Physics Letters A, an additional reference to the
paper by Buttiker and Washburn
- arxiv_id:
- quant-ph/0310110
- journal_ref:
- Physics Letters A, vol. 318, pages 342-344 (2003)
- created:
- 2003-10-17
Full article ▸
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