Backward Compton scattering and QED with noncommutative plane in the strong uniform magnetic field

HUANG Wei; XU Wang; YAN Mu-Lin

doi:10.1088/1674-1137/32/5/003

Chinese Physics C> 2008, Vol. 32> Issue(5) : 342-347 DOI: 10.1088/1674-1137/32/5/003

Backward Compton scattering and QED with noncommutative plane in the strong uniform magnetic field

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Abstract：
In the strong uniform magnetic field, the noncommutative plane (NCP) caused by the lowest Landau level (LLL) effect, and QED with NCP (QED-NCP) are studied. Being similar to the condensed matter theory of quantum Hall effect, an effective filling factor f(B) is introduced to characterize the possibility that the electrons stay on the LLL. The analytic and numerical results of the differential cross section for the process of backward Compton scattering in accelerator with unpolarized or polarized initial photons are calculated. The existing data of BL38B2 in Spring-8 have been analyzed roughly and compared with the numerical predictions primitively. We propose a precise measurement of the differential cross sections of backward Compton scattering in a strong
perpendicular magnetic field, which may reveal the effects of NCP.

References

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. Snyder H S. Phys. Rev., 1947, 71: 38; Douglas M R,Nekrasov N A. Rev. Mod. Phys., 2001, 73: 977; Szabo R J. Int. J. Mod. Phys. A, 2004, 19: 18372. Hayakawa M. Perturbative analysis on infrared and ultraviolet aspects of noncommutative QED on R4. hep-th/9912167; Riad I F, Sheikh-Jabbari M M. JHEP, 2000,0008: 0453. Gusynin V P, Minransky V A, Shovkovy I A. Phys. Lett. B,1995, 349: 477; Gorbar E V, Minransky V A. Phys. Rev. D,2004, 70: 105007; Gorbar E V, Hashimoto M, Minransky V A. Phys. Lett. B, 2005, 611: 2074. Susskind L. The Quantum Hall Fluid and Non-Commutative Chern Simons Theory. hep-th/01010295. mer F. Dayi, Ahmed Jellal. J. Math. Phys., 2002, 43:45926. Landau L D, Lifshitz E M. Quantum Mechanics (Nonrelativistic Theory). 3rd ed. Beijing World Pub. Co., 1999.455-460; Magro G. Noncommuting Coordinates in the Landau Problem. quant-ph/03020017. WANG X J, YAN M L. JHEP, 2002, 0203: 0478. Carroll S M, Harvey J A, Kostelecky V A et al. Phys. Rev.Lett., 2001, 87: 1416019. Mathews P. Phys. Rev. D, 2001, 63: 075007; Hewett J L,Petriello F J, Rizzo T G. Phys. Rev. D, 2001, 64: 075012;Godfrey S, Doncheski M A. Phys. Rev. D, 2001, 65: 01500510. Ohkuma H et al. Production of MeV Photons by the Laser Compton Scattering Using a Far Infrared Laser at Spring-8.Proceedings of EPAC 2006. Edinburgh, Scotland

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HUANG Wei, XU Wang and YAN Mu-Lin. Backward Compton scattering and QED with noncommutative plane in the strong uniform magnetic field[J]. Chinese Physics C, 2008, 32(5): 342-347. doi: 10.1088/1674-1137/32/5/003

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Received: 2007-07-18
Revised: 2007-10-29

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Backward Compton scattering and QED with noncommutative plane in the strong uniform magnetic field

Corresponding author: YAN Mu-Lin,

Received Date: 2007-07-18

Accepted Date: 2007-10-29

Available Online: 2008-05-05

Abstract:

In the strong uniform magnetic field, the noncommutative plane (NCP) caused by the lowest Landau level (LLL) effect, and QED with NCP (QED-NCP) are studied. Being similar to the condensed matter theory of quantum Hall effect, an effective filling factor f(B) is introduced to characterize the possibility that the electrons stay on the LLL. The analytic and numerical results of the differential cross section for the process of backward Compton scattering in accelerator with unpolarized or polarized initial photons are calculated. The existing data of BL38B2 in Spring-8 have been analyzed roughly and compared with the numerical predictions primitively. We propose a precise measurement of the differential cross sections of backward Compton scattering in a strong
perpendicular magnetic field, which may reveal the effects of NCP.

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Backward Compton scattering and QED with noncommutative plane in the strong uniform magnetic field

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