Excitation of Plasma Oscillations and Growing Plasma Waves

Boyd, G.; Field, L. M.; Gould, R. W.

doi:10.1103/physrev.109.1393

Cited by 86 publications

(6 citation statements)

References 9 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…A different type of plasma instabilities can be induced by electrons streaming through a neutralizing background of slow ions, or even by counter-streaming electrons and ions (or holes). Such wave instabilities, designated as "two-stream instabilities", were studied in gaseous plasmas [26][27] and also in solid-state plasmas (e.g., semimetals and semiconductors) [28][29][30][31][32][33]. The two-stream instabilities can be seen as the inverse effect of the Landau damping -the process in which plasma waves lose energy to charged particles.…”

mentioning

confidence: 99%

Negative Landau Damping in Bilayer Graphene

Morgado

Silveirinha

2017

Phys. Rev. Lett.

View full text Add to dashboard Cite

We theoretically demonstrate that a system formed by two coupled graphene sheets enables a negative damping regime wherein graphene plasmons are pumped by a direct current. This effect is triggered by electrons drifting through one of the graphene sheets and leads to wave instabilities and a spontaneous light emission (spasing) in the midinfrared range. It is shown that there is a deep link between the drift-induced instabilities and wave instabilities in moving media, as both result from the hybridization of oscillators with oppositely signed frequencies. With a thickness of a few nanometers and wide spectral tunability, the proposed structure may find interesting applications in nanophotonic circuitry as an on-chip light source.

show abstract

mentioning

confidence: 99%

Negative Landau Damping in Bilayer Graphene

Morgado

Silveirinha

2017

Phys. Rev. Lett.

View full text Add to dashboard Cite

show abstract

“…For finitelength systems with small drift velocities for background ions, the wave appears to grow spatially, for waves at frequencies of the order of the ion plasma frequency instead [17]. Inclusion of collisions and increasing temperature certainly affects the growth and effectively bounds the amplification rate [44,45]. However, it is worth mentioning that the present work does not consider any effects from collisions.…”

Section: Introductionmentioning

confidence: 89%

Finite-length effects on beam--plasma instability in collisionless inhomogeneous systems

Adhikari,

Marholm,

Eklund

et al. 2021

Preprint

View full text Add to dashboard Cite

Streaming instability driven by ion flow inside a finite-length collisionless inhomogeneous system is studied with numerical Particle-In-Cell simulations alongside kinetic equations. The inhomogeneous plasma is produced by introducing a cold beam of ions and thermal electrons in the system. In such systems, we observe that the ion sound waves get modified in a stable ion flow due to acoustic wave reflections from the boundary and that it triggers instability. Such phenomena are known to be a hydrodynamic effect. However, there are also signatures of the two-stream type ion sound instability where kinetic resonances are essential. The study is aimed to quantify the effects of the finite-length system on beamplasma instability and identify wave modes supported by such systems. The outcome of this study is believed to improve design aspect of ion beam sources and provide more control over experimental devices.

show abstract

“…Recent studies have provided a thorough analysis of the many instabilities that might arise in semiconducting quantum plasma [27][28][29]. The theoretical prediction and experimental verification of streaming instability have been successfully carried out in the twentieth century in classical plasma systems [30,31]. Using the quantum hydrodynamic model (QHD), streaming instability has been studied for unmagnetized dusty plasma [32], semiconductor plasmas [33], electron-ion plasmas [34], and electron-positron quantum plasmas [35].…”

Section: Introductionmentioning

confidence: 99%

Temperature-induced disruptive growth rate behavior due to streaming instability in semiconductor quantum plasma with nanoparticles

Sharma,

Luitel,

Ali

et al. 2024

J. Phys.: Condens. Matter

View full text Add to dashboard Cite

The nature of the growth rate due to streaming instability in a Semiconductor quantum plasma implanted with nanoparticles has been analyzed using the Quantum Hydrodynamic Model. In this study, the intriguing effect of temperature, beam electron speed, and electron-hole density on growth rate and frequency is investigated. The results show that the growth rate demonstrates a nonlinear behavior, strongly linked to the boron implantation, beam electron streaming speed and quantum correction factor. A noteworthy finding in this work is the discontinuous nature of the growth rate of streaming instability in boron implanted semiconducting plasma system. The implantation leads to a gap in the growth rate which further gets enhanced upon increase in concentration of implantation. This behavior is apparent only for a specific range of the ratio of thermal speed of the electrons to that of the holes.

show abstract

Excitation of Plasma Oscillations and Growing Plasma Waves

Cited by 86 publications

References 9 publications

Negative Landau Damping in Bilayer Graphene

Negative Landau Damping in Bilayer Graphene

Finite-length effects on beam--plasma instability in collisionless inhomogeneous systems

Temperature-induced disruptive growth rate behavior due to streaming instability in semiconductor quantum plasma with nanoparticles

Contact Info

Product

Resources

About