scholarly journals Density response and collective modes of semiholographic non-Fermi liquids

2017 ◽  
Vol 96 (10) ◽  
Author(s):  
Benoit Douçot ◽  
Christian Ecker ◽  
Ayan Mukhopadhyay ◽  
Giuseppe Policastro
Keyword(s):  
Collective Modes ◽  
Fermi Liquids ◽  
Density Response

scholarly journals Atypical behavior of collective modes in two-dimensional Fermi liquids

2020 ◽  
Vol 32 (34) ◽  
pp. 345602 ◽  
Author(s):  
M P Gochan ◽  
J T Heath ◽  
K S Bedell
Keyword(s):  
Collective Modes ◽  
Fermi Liquids ◽  
Two Dimensional

scholarly journals Hidden and mirage collective modes in two dimensional Fermi liquids

2020 ◽  
Vol 5 (1) ◽  
Author(s):  
Avraham Klein ◽  
Dmitrii L. Maslov ◽  
Andrey V. Chubukov
Keyword(s):  
Collective Modes ◽  
Fermi Liquids ◽  
Two Dimensional

scholarly journals Landau Fermi Liquid Theory

1996 ◽  
Vol 49 (1) ◽  
pp. 79
Author(s):  
D Neilson
Keyword(s):  
Fermi Surface ◽  
Landau Theory ◽  
Collective Modes ◽  
Fermi Liquids ◽  
Original Formulation ◽  
Zero Sound ◽  
Liquid Theory ◽  
Recent Modification ◽  
High Transition ◽  
Helium 3

This article reviews the Landau theory of interacting Fermi liquids such as mobile electrons in solids or helium-3. It starts with Landau's original formulation which takes advantage of the existence of a Fermi surface to map the strongly interacting single-particle excitations near the Fermi surface into a system of weakly interacting quasiparticle excitations. The theory relates microscopic parameters for the quasiparticle energies and scattering strengths to experimental observables. The resulting low lying collective modes of the system, such as zero sound in helium-3, are then discussed. Next the rigorous microscopic basis of the theory is presented. Finally there is an outline of a recent modification of the theory which may resolve some of the puzzles about the nature of the electron states in materials exhibiting high transition temperature superconductivity.

Density waves in disk galaxies

1967 ◽  
Vol 31 ◽  
pp. 313-317 ◽  
Author(s):  
C. C. Lin ◽  
F. H. Shu
Keyword(s):  
Mathematical Analysis ◽  
Spiral Structure ◽  
Stellar System ◽  
Collective Modes ◽  
Disk Galaxies ◽  
Spiral Pattern ◽  
Density Waves ◽  
The Galaxy ◽  
Detailed Mathematical Analysis

Density waves in the nature of those proposed by B. Lindblad are described by detailed mathematical analysis of collective modes in a disk-like stellar system. The treatment is centered around a hypothesis of quasi-stationary spiral structure. We examine (a) the mechanism for the maintenance of this spiral pattern, and (b) its consequences on the observable features of the galaxy.

COLLECTIVE MODES IN ARRAYS OF SUPERCONDUCTING BRIDGES

1978 ◽  
Vol 39 (C6) ◽  
pp. C6-588-C6-590 ◽  
Author(s):  
S. N. Artemenko ◽  
A. F. Volkov ◽  
A. V. Zaitsev
Keyword(s):  
Collective Modes

scholarly journals Interplay between collective modes in hybrid electron-gas–superconductor structures

2020 ◽  
Vol 101 (16) ◽  
Author(s):  
M. V. Boev ◽  
I. G. Savenko ◽  
V. M. Kovalev
Keyword(s):  
Electron Gas ◽  
Collective Modes

scholarly journals Spin-valley collective modes of the electron liquid in graphene

2021 ◽  
Vol 103 (7) ◽  
Author(s):  
Zachary M. Raines ◽  
Vladimir I. Fal'ko ◽  
Leonid I. Glazman
Keyword(s):  
Collective Modes
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