Hidden and mirage collective modes in two dimensional Fermi liquids
Hidden and mirage collective modes in two dimensional Fermi liquids
复制标题
二维费米液体中的隐藏集体模式和海市蜃楼集体模式
DOI:
10.1038/s41535-020-0250-4
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发表时间:
2020
影响因子:
5.7
通讯作者:
Chubukov, Andrey V.
中科院分区:
文献类型:
--
作者:
Klein, Avraham;Maslov, Dmitrii L.;Chubukov, Andrey V.
The longstanding view of the zero sound mode in a Fermi liquid is that for repulsive interaction it resides outside the particle-hole continuum and gives rise to a sharp peak in the corresponding susceptibility, while for attractive interaction it is a resonance inside the particle-hole continuum. We argue that in a two-dimensional Fermi liquid there exist two additional types of zero sound: “hidden” and “mirage” modes. A hidden mode resides outside the particle-hole continuum already for attractive interaction. It does not appear as a sharp peak in the susceptibility, but determines the long-time transient response of a Fermi liquid and can be identified in pump-probe experiments. A mirage mode emerges for strong enough repulsion. Unlike the conventional zero sound, it does not correspond to a true pole, yet it gives rise to a peak in the particle-hole susceptibility. It can be detected by measuring the width of the peak, which for a mirage mode is larger than the single-particle scattering rate.
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影响因子:
8.6
作者:
A. Zong;P. Dolgirev;A. Kogar;E. Ergeçen;M. Yilmaz;Ya‐Qing Bie;T. Rohwer;I. Tung;J. Straquadine;Xirui Wang;Yafang Yang;X. Shen;Renkai Li;Jie Yang;Suji Park;M. Hoffmann;B. Ofori;M. Kozina;H. Wen;Xijie Wang;I. Fisher;P. Jarillo;N. Gedik
通讯作者:
N. Gedik
影响因子:
64.8
作者:
Mitrano M;Cantaluppi A;Nicoletti D;Kaiser S;Perucchi A;Lupi S;Di Pietro P;Pontiroli D;Riccò M;Clark SR;Jaksch D;Cavalleri A
通讯作者:
Cavalleri A
影响因子:
3.7
作者:
Levitov, L. S.;Shtyk, A. V.;Feigelman, M. V.
通讯作者:
Feigelman, M. V.
影响因子:
4.2
作者:
A. Klein;D. Maslov;L. Pitaevskiĭ;A. Chubukov
通讯作者:
A. Klein;D. Maslov;L. Pitaevskiĭ;A. Chubukov
DOI:
--
发表时间:
1988
期刊:
影响因子:
--
作者:
C. Pethick;D. Ravenhall
通讯作者:
D. Ravenhall