2012 Fiscal Year Final Research Report
Investigations of transient quantum transport phenomena with an optical gate method
| Project/Area Number |
21340076
|
|---|
| Research Category |
Grant-in-Aid for Scientific Research (B)
|
| Allocation Type | Single-year Grants |
|---|
| Section | 一般 |
|---|
| Research Field |
Condensed matter physics I
|
|---|
| Research Institution | University of Tsukuba |
|---|
Principal Investigator |
|
|---|
| Co-Investigator(Kenkyū-buntansha) |
AKAZAKI Tatsuhi 高知工業高等専門学校, 電気情報工学科, 教授 (10393779)
|
|---|
| Project Period (FY) |
2009 – 2012
|
| Keywords | 局所光励起法 / 量子輸送現象 / 過渡的光測定 |
|---|
| Research Abstract |
We have succeededin operating a near-field scanning optical microscope in a dilution refrigerator in high magnetic field. This enables us to investigate quantum transport phenomena by applying the methods developed for studies of optical properties. We have performed real-space mapping of quantum Hall edge states, and have succeeded in observing strips due to compressible and incompressible quantum liquids. Moreover, we have paved a way to investigate transient quantum transport phenomena by applying an optical pump-probe method to optical gates.
|
