Electromagnetic waves in metals in a magnetic field

Kaner, É. A.; Skobov, V. G.

doi:10.1080/00018736800101376

Cited by 113 publications

(31 citation statements)

References 49 publications

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“…52 For a compensated semimetal such as RX, this wave is called an Alfvén wave. In this case, there is a possibility that the carriers couple with a microwave even in a bulk.…”

Section: Cr and Dscr Resonance Conditions In Semimetalsmentioning

confidence: 99%

Cyclotron resonance in rare-earth monopnictides

et al. 2005

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Recently, we have developed equipment which can be used for both cyclotron resonance ͑CR͒ and electron spin resonance ͑ESR͒ measurements for studying f-electron systems. Using this equipment and preparing high-quality single crystals with a residual resistivity ratio of about 500, we have successfully observed CR signals in rare-earth monopnictides RX ͑R =La,Ce,Pr,Gd,X =Sb,Bi͒. The purpose of this paper is to describe the development of our measurement system in detail and to reexamine our recent results of CR measurements on the single crystals of RX. And then, we discuss the origin of mass enhancement in this system by comparing the case of a strongly correlated f-electron system CeSb with the case of a nonmagnetic simple semimetal LaSb. The CR measurements have been performed in the temperature range from 1.4 K to 40 K and in the frequency range from 50 to 190 GHz. We have observed CR signals in LaSb, LaBi, CeSb, PrSb, and GdSb. The cyclotron effective masses m CR * determined by the CR measurements are compared with the masses m QO * estimated by measurements of quantum oscillations and the masses m BC * deduced from band structure calculations. The determined m CR * of LaSb, LaBi, and GdSb is in the range of ͑0.17-0.65͒m 0 . These values are reasonably consistent with the values of m QO * and m BC * . This fact shows that both m CR * and m QO * mainly depend on the band structure if the interaction between conduction electrons and f electrons is negligible. On the other hand, in the case of a strongly correlated f-electron system CeSb, m CR * is in the range of ͑0.26-1.5͒m 0 . These values are much larger than those of m BC * . This finding shows that m CR * , as well as m QO * , is considerably enhanced in CeSb. Our results indicate that the interband interaction is important for the mass enhancement of m CR * in CeSb.

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“…52 For a compensated semimetal such as RX, this wave is called an Alfvén wave. In this case, there is a possibility that the carriers couple with a microwave even in a bulk.…”

Section: Cr and Dscr Resonance Conditions In Semimetalsmentioning

confidence: 99%

Cyclotron resonance in rare-earth monopnictides

et al. 2005

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“…However, the frequency of the electromagnetic excitation of interest here is =coop > o, [8]. Hence a magnetic field does not significantly influence E , ) except of course a t extremely low temperatures.…”

Section: Applied Magnetic Field Casementioning

confidence: 96%

A Hydrodynamic Model of the Optical Generation of Bulk Plasma Waves

Boakdman

Parker

1975

Physica Status Solidi (b)

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The possibility of using a hydrodynamic model of plasma wave generation in solids is investigated. The simplicity of the approach is in sharp contrast to earlier theoretical investigations based on an elaborate kinetic theory. The basic equations presented here apply to metals or semiconductors and a n extension which includes the means of studying the influence of a magnetic field is provided. A thorough discussion of the boundary conditions a t a dielectric-conductor/semiconductor interface is given and some numerical comparisons with published experimental data are included.Es wird die Anwendbarkeit eines hydrodynamischen Modells fur Plasniamellenerzeugug in Festkorpern untersucht. Die Einfachheit des Vorgehens steht im starkem Gegensatz zu friiheren theoretischen Untersuchungen, die auf einer aiwgearbeiteten kinetischen Theorie beruhten. Die mitgeteilten Grundgleichungen lasscn sich auf Metalle oder Halbleiter anwenden, und es wird eine Erweiterung vorgeschlagen. die die Moglichkeit der Untersuchung des EinflusRes des Magnetfelds einschlieBt. Eine durchggngige Diskussion der Grenzbedingungen a n der Grenzflache Dielektrikum-Leiter/Halbleiter wird angegeben und einige numerische Vergleiche mit publizierten experimentellen Werten werden durchgefiihrt.

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“…Latter it has been argued that the zero-sound oscillations can propagate in charged Fermi systems, in particular in an electron gas of metals. [20][21][22][23][24] It is appropriate to clarify whether the zero sound can propagate along a nanotube in a magnetic field. Let us consider this question within the random-phase approximation used in the previous section.…”

Section: Zero Sound On a Tubementioning

confidence: 99%

Collective excitations of electron gas on the nanotube surface in a magnetic field

Ermolaev

Rashba

Solyanik

2011

Low Temperature Physics

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The spectra of magnetoplasma waves, zero sound and spin waves in an electron gas on a surface of a nonferromagnetic nanotube in longitudinal magnetic field are considered. The initial spectrum of the electron energy is assumed to be parabolic, and the interelectron interaction is taken into account within the random-phase approximation. It is shown that in a magnetic field there is a shift of the frequency of an intersubband plasmon proportional to a magnetic flux through a cross-section of a tube. The frequency and the damping constant of magnetoplasma waves in a nondegenerate electron gas are calculated. For a great number of filled subbands the frequencies of the zero sound and spin waves in a degenerate electron gas experience oscillations of the type of de Haas-van Alphen and Aharonov-Bohm with changing the density of electrons and magnetic flux.

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Electromagnetic waves in metals in a magnetic field

Cited by 113 publications

References 49 publications

Cyclotron resonance in rare-earth monopnictides

Cyclotron resonance in rare-earth monopnictides

A Hydrodynamic Model of the Optical Generation of Bulk Plasma Waves

Collective excitations of electron gas on the nanotube surface in a magnetic field

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