Coherent interaction between two exciton-phonon solitons due to Bose-Einstein condensation

被引:19
作者
Benson, E [1 ]
Fortin, E [1 ]
Prade, B [1 ]
Mysyrowicz, A [1 ]
机构
[1] ECOLE POLYTECH,ENSTA,LOA,PALAISEAU,FRANCE
来源
EUROPHYSICS LETTERS | 1997年 / 40卷 / 03期
关键词
D O I
10.1209/epl/i1997-00458-0
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Nonlinear interaction between two soliton pulses consisting of exciton-phonon coherent fields is observed after propagation in Cu2O. Each soliton is formed independently by random photocreation of hot excitons followed by rapid cooling and Bose-Einstein condensation. The positive interference appears with a delay attributed to the build-up of a common phase for the wavefunctions.
引用
收藏
页码:311 / 316
页数:6
相关论文
共 11 条
[1]   STUDY OF ANOMALOUS EXCITONIC TRANSPORT IN CU2O [J].
BENSON, E ;
FORTIN, E ;
MYSYROWICZ, A .
PHYSICA STATUS SOLIDI B-BASIC RESEARCH, 1995, 191 (02) :345-367
[2]   EXCITON TRANSPORT IN CU2O - EVIDENCE FOR EXCITONIC SUPERFLUIDITY [J].
FORTIN, E ;
FAFARD, S ;
MYSYROWICZ, A .
PHYSICAL REVIEW LETTERS, 1993, 70 (25) :3951-3954
[3]   Bose-Einstein statistics of orthoexcitons generated by two-photon resonant absorption in cuprous oxide [J].
Goto, T ;
Shen, MY ;
Koyama, S ;
Yokouchi, T .
PHYSICAL REVIEW B, 1997, 55 (12) :7609-7614
[4]  
LIN JL, 1993, PHYS REV LETT, V71, P122
[5]   Critical velocities in exciton superfluidity [J].
Loutsenko, I ;
Roubtsov, D .
PHYSICAL REVIEW LETTERS, 1997, 78 (15) :3011-3014
[6]   PROGRESS ON BOSE-EINSTEIN CONDENSATION OF EXCITONS [J].
MYSYROWICZ, A ;
SNOKE, DW ;
WOLFE, JP .
PHYSICA STATUS SOLIDI B-BASIC RESEARCH, 1990, 159 (01) :387-401
[7]   Interference of Bose condensates [J].
Naraschewski, M ;
Wallis, H ;
Schenzle, A ;
Cirac, JI ;
Zoller, P .
PHYSICAL REVIEW A, 1996, 54 (03) :2185-2196
[8]   BOSE-EINSTEIN STATISTICAL PROPERTIES AND CONDENSATION OF EXCITONIC MOLECULES IN CUCL [J].
PEYGHAMBARIAN, N ;
CHASE, LL ;
MYSYROWICZ, A .
PHYSICAL REVIEW B, 1983, 27 (04) :2325-2345
[9]  
PEYGHAMBARIAN N, 1979, PHYS REV LETT, V42, P1231
[10]   EVIDENCE FOR BOSE-EINSTEIN CONDENSATION OF EXCITONS IN CU2O [J].
SNOKE, DW ;
WOLFE, JP ;
MYSYROWICZ, A .
PHYSICAL REVIEW B, 1990, 41 (16) :11171-11184