| 000 | 02210nab a2200337 c 4500 | ||
|---|---|---|---|
| 001 | vtls000525343 | ||
| 003 | RU-ToGU | ||
| 005 | 20210907023902.0 | ||
| 007 | cr | | ||
| 008 | 181202|2015 xxu s a eng d | ||
| 024 | 7 |
_a10.1103/PhysRevD.91.085005 _2doi |
|
| 035 | _ato000525343 | ||
| 040 |
_aRU-ToGU _brus _cRU-ToGU |
||
| 100 | 1 |
_aFresneda, Rodrigo _9437090 |
|
| 245 | 1 | 0 |
_aPhoton propagation in noncommutative QED with constant external field _cR. Fresneda, D. M. Gitman, A. E. Shabad |
| 504 | _aБиблиогр.: 32 назв. | ||
| 520 | 3 | _aWe find dispersion laws for the photon propagating in the presence of mutually orthogonal constant external electric and magnetic fields in the context of the θ-expanded noncommutative QED. We show that there is no birefringence to the first order in the noncommutativity parameter θ. By analyzing the group velocities of the photon eigenmodes we show that there occurs superluminal propagation for any direction. This phenomenon depends on the mutual orientation of the external electromagnetic fields and the noncommutativity vector. We argue that the propagation of signals with superluminal group velocity violates causality in spite of the fact that the noncommutative theory is not Lorentz invariant and speculate about possible workarounds. | |
| 653 | _aквантовая электродинамика | ||
| 653 | _aфотоны | ||
| 653 | _aмагнитные поля | ||
| 653 | _aэлектрические поля | ||
| 655 | 4 |
_aстатьи в журналах _9681159 |
|
| 700 | 1 |
_aGitman, Dmitri M. _989274 |
|
| 700 | 1 |
_aShabad, Anatoly E. _9241338 |
|
| 710 | 2 |
_aТомский государственный университет _bФизический факультет _bНаучные подразделения ФФ _9107954 |
|
| 773 | 0 |
_tPhysical Review D _d2015 _gVol. 91, № 8. P. 085005-1-085005-10 _x1550-7998 |
|
| 852 | 4 | _aRU-ToGU | |
| 856 | 7 | _uhttp://vital.lib.tsu.ru/vital/access/manager/Repository/vtls:000525343 | |
| 908 | _aстатья | ||
| 999 | _c386079 | ||