Electron-hole coherence and charging effects in ultrasmall metallic grains

被引:7
作者
Drewes, S [1 ]
Renn, SR
Guinea, F
机构
[1] Univ Calif San Diego, Dept Phys, La Jolla, CA 92093 USA
[2] CSIC, Inst Ciencia Mat, E-28049 Madrid, Spain
关键词
D O I
10.1103/PhysRevLett.80.1046
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We consider a model for electron tunneling between a pair of ultrasmall metallic grains. Under appropriate circumstances, nonequilibrium final state effects can strongly enhance tunneling and produce electron-hole coherence between the grains. The model displays a quantum phase transition between a Coulomb blockaded state to a coherent state exhibiting sub-Ohmic tunneling conductance. The critical state of the junction exhibits a temperature independent resistance of order h/e(2). Finally we discuss the similarities between the quantum transition in our model and the metal-insulator transition in granular wires observed by Herzog et al.
引用
收藏
页码:1046 / 1049
页数:4
相关论文
共 50 条
[41]   Anomalous thermal conductivity of semi-metallic superconductors with electron-hole compensation [J].
Adachi, Hiroto ;
Sigrist, Manfred .
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 2008, 77 (05)
[42]   EXPERIMENTAL-DETERMINATION OF DENSITY DEPENDENCE OF ELECTRON-HOLE CORRELATION IN ELECTRON-HOLE LIQUID [J].
CHOU, HH ;
WONG, GK .
PHYSICAL REVIEW LETTERS, 1978, 41 (24) :1677-1681
[43]   ELECTRON-HOLE FLUID IN SEMICONDUCTORS [J].
THOMAS, GA .
NUOVO CIMENTO DELLA SOCIETA ITALIANA DI FISICA B-GENERAL PHYSICS RELATIVITY ASTRONOMY AND MATHEMATICAL PHYSICS AND METHODS, 1977, 39 (02) :561-568
[44]   ELECTRON-HOLE LIQUID IN GAP [J].
MAAREF, H ;
BARRAU, J ;
BROSSEAU, M ;
COLLET, J ;
MAZZASCHI, J .
SOLID STATE COMMUNICATIONS, 1977, 22 (09) :593-596
[45]   Electron-hole avalanches in semiconductors [J].
A. S. Kyuregyan .
Technical Physics Letters, 2007, 33 :607-611
[46]   ELECTRON-HOLE LIQUID IN GAP [J].
BENI, G ;
RICE, TM .
SOLID STATE COMMUNICATIONS, 1977, 23 (12) :871-873
[47]   ELECTRON-HOLE LIQUID IN SEMICONDUCTORS [J].
TIKHODEYEV, SG .
USPEKHI FIZICHESKIKH NAUK, 1985, 145 (01) :3-50
[48]   ELECTRON-HOLE LIQUIDS IN SEMICONDUCTORS [J].
ROGACHEV, AA .
PROGRESS IN QUANTUM ELECTRONICS, 1980, 6 (03) :141-217
[49]   ELECTRON-HOLE DROPS IN SEMICONDUCTORS [J].
KELDYSH, LV .
SOVIET PHYSICS USPEKHI-USSR, 1970, 13 (02) :292-&
[50]   Electron-hole Superconductivity (Review) [J].
Fil, D. V. ;
Shevchenko, S. I. .
LOW TEMPERATURE PHYSICS, 2018, 44 (09) :867-909