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Type: Artigo de periódico
Title: Electromagnetic waves in a chiral plasma media
Author: Silva, HT
Sakanaka, PH
Reggiani, N
Abstract: Electromagnetic waves in a magnetized chiral-plasma medium are studied. Using the Maxwell's equations and the proposed constitutive relations for a chiral-plasma medium, we derive the vectors E and H equations and from these equations, dispersion relations and E-field polarizations are founded. At high frequency, the obtained results for waves propagating parallely to the external magnetic field in a cold magnetized chiro-plasma are compared with typical results obtained for a cold plasma. For circularly polarized waves, a new mode conversion is founded due to the chiral effect. The chiral rotation is obtained and compared with the Faraday rotation. For waves propagating across the magnetic field, we found a shift of the cut-offs of ordinary and extraordinary waves, on the lower branch of the extraordinary wave mode there is no more bands of forbidden frequencies and the reflection point vanishes. At low frequency the effect of the chiral parameter on the fast and slow wave dispersion relations is moderate.
Subject: plasma-quiral medium
plane waves
Faraday rotation
helicon waves
Country: Japão
Editor: Physical Soc Japan
Citation: Journal Of The Physical Society Of Japan. Physical Soc Japan, v. 67, n. 3, n. 850, n. 857, 1998.
Rights: fechado
Identifier DOI: 10.1143/JPSJ.67.850
Date Issue: 1998
Appears in Collections:Unicamp - Artigos e Outros Documentos

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