Concerning the oscillating character of galvanomagnetic effects in a semiconductor in an alternating magnetic field

Kats, L. I.; Shekhter, D. Sh.

doi:10.1007/bf01037149

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“…Here it was particularly shown that the energy absorption of an additional weak homogeneous electric field e2 = czo cos o t is generally an oscillating function of the amplitude H I . Vasko and Dykman [2] and Kats and Shekhter [3] noted that in investigations of conduction band properties and in measurements of the microwave magnetic field amplitude, etc., such an effect can be observed. This effect can also be recognized as oscillations of the galvanomagnetic coefficients of semiconductors determined by the electrical conductivity tensor for w -+ 0.…”

Section: Introductionmentioning

confidence: 99%

“…Recently, similar oscilla-the characteristic dimension of the sample. In what follows the inverse case is considered : L g L 3 (1) and it is assumed that a weak electromagnetic wave excited by an incident wave of frequency w propagates in the sample. Due to the non-stationarity induced by the alternating component of the external magnetic field the normal waves in the medium, are not monochromatic, and this causes additional features.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Electromagnetic waves in an electron plasma in an alternating external magnetic field

Lugovoi

1977

Physica Status Solidi (b)

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The generalization of the theory of plane waves in a semiconductor electron plasma located in an external magnetic field, H = Ifo -H, cos pt, whose variable component is parallel t o the stationary one, is given for the case of relatively low electron density in the conductivity band and for a sample inhomogeneous in the direction of the magnetic field, the waves propagating along this direction. Also the problem of the transformation of a monochromatic incident wave with a frequency o to components with new frequencies w + mp ( n = fl, 5 2 , ...) for the wave reflected from the sample boundary and transmitted into the sample is considered. Several effects which are due to the simultaneous influence of the periodic non-stationarity and a periodic inhomogeneity of the medium are noted. np0Be;eHO 0 6 0 6 q e~a e TeOpHH IIJlOCKHX BOJIH B 3JIeKTpOHHOm IIJla3Me IIOJlJTIpOBOnHli-Ha, HaXoHfilQe~CH BO BHeUlHeM MarHHTHOM IIOJIe H = Ho -HI COS pt C IIepeMeHHOm CTpaHeBMfl BOJlH BnOJIb MarHClTHOrO IIOJlFI, Ha CJIyYafi OTHOCRTeJlbHO HM3KOfi IIJIOTHOCTA 3JleKTPOHOB B 30He IIpOBOnMMOCTM 1% CJIylIafi npOnOJlbH0 HeOnHOpOnHOfi CpenbI. PaCCMO-CocTaBnmouefi, napannenbaot4 IIOCTORHHOG CocTaBnmoqetl, npa HanpasneHmi pacnpo-TpeHa TaHwe a a~a r~a o npe06pa30BaHMM nanamqefi MoHoxpoMaTmecKot4 Bomb1 c samo-H nporuenueh sepea rpamuy o6paaqa BOJIB.' n p e n c~a 3 a~ PHA ~@ @~K T o B , O~~C J I O B J I~H -TOB 0 B HOMnOHeHTbI C HOBbIMH YaCTOTaMI? W + nl, (n fl, 1 2 , ...) DJlfi OTpaXeHHO~ HLIX OAHOBPeMeHHbIM BJIMHHHeM nepHOnI4YeCKOm HeCTa~MOHapHOCTH A IIepHO~ktseCKOB HeOnHOponHOCTM CpenbI. tions of the magnetoresistance of a sample have been observed experimentally by Kats and Shekhter [3], Really the weak electric field e2 can be considered as homogeneous under the condition &, > L where Am is the wavelength in a medium a t the frequency o and L is 9 * 132 V. N. Luoovor

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%