Dephasing and quantum noise in an electronic Mach-Zehnder interferometer:
Gespeichert in:
| 1. Verfasser: | |
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| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
2012
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| Schlagworte: | |
| Online-Zugang: | kostenfrei https://nbn-resolving.org/urn:nbn:de:bvb:355-epub-277705 Inhaltsverzeichnis |
| Beschreibung: | VIII, 104, XIX S. Ill., graph. Darst. |
Internformat
MARC
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| 245 | 1 | 0 | |a Dephasing and quantum noise in an electronic Mach-Zehnder interferometer |c vorgelegt von Andreas Helzel |
| 264 | 1 | |c 2012 | |
| 300 | |a VIII, 104, XIX S. |b Ill., graph. Darst. | ||
| 336 | |b txt |2 rdacontent | ||
| 337 | |b n |2 rdamedia | ||
| 338 | |b nc |2 rdacarrier | ||
| 502 | |a Regensburg, Univ., Diss., 2012 | ||
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Datensatz im Suchindex
| _version_ | 1804151454042161152 |
|---|---|
| adam_text | CONTENTS
1. INTRODUCTION 1
2. BASICS 5
2.1. THE TWO DIMENSIONAL ELECTRON GAS 5
2.2. THE QUANTUM HALL EFFECT - QUANTIZED LANDAU LEVELS 8
2.3. TRANSPORT IN THE QUANTUM HALL REGIME 10
2.3.1. QUANTUM HALL EDGE STATES AND LANDAUER-BIITTIKER FORMALISM . . 10
2.3.2. COMPRESSIBLE AND INCOMPRESSIBLE STRIPS 14
2.3.3. LUTTINGER LIQUID IN THE QH REGIME AT FILLING FACTOR 2 16
2.4. NON-EQUILIBRIUM FLUCTUATIONS OF A QPC 24
2.5. AHARONOV-BOHM INTERFEROMETRY 28
2.6. THE ELECTRONIC MACH-ZEHNDER INTERFEROMETER 30
3. MEASUREMENT TECHNIQUES 37
3.1. CRYOSTAT AND DEVICES 37
3.2. MEASUREMENT APPROACH 39
4. SAMPLE FABRICATION AND CHARACTERIZATION 43
4.1. FABRICATION 43
4.1.1. MATERIAL 43
4.1.2. LITHOGRAPHY 44
4.1.3. GOLD AIR BRIDGES 45
4.1.4. SAMPLE DESIGN 46
4.2. CHARACTERIZATION 47
4.2.1. FILLING FACTOR 47
4.2.2. QUANTUM POINT CONTACTS 49
4.2.3. GATE SETTING 50
5. CHARACTERISTICS OF A MZI 51
5.1. BASIC QPC ADJUSTMENTS AND ZERO BIAS VISIBILITY 51
5.2. DECOHERENCE AT FINITE TEMPERATURES 58
5.3. FINITE BIAS VISIBILITY 61
5.3.1. FILLING FACTOR ONE - SINGLE SIDE LOBES 61
V
HTTP://D-NB.INFO/1044062134
VI CONTENTS
5.3.2. FILLING FACTOR TWO 63
5.4. COHERENCE CONTROLLED BY FILLING FACTOR 76
6. NOISE-INDUCED PHASE TRANSITION 83
6.1. DESCRIPTION OF THE EXPERIMENT 83
6.1.1. CHARACTERIZATION OF THE SAMPLES 83
6.1.2. EXPERIMENTS ON NOISE DETECTION WITH A MACH-ZEHNDER INTERFER
OMETER 86
6.2. THEORETICAL MODEL OF A NOISE-INDUCED PHASE TRANSITION 89
6.3. DISCUSSION 97
7. SUMMARY 103
A. RECIPES I
B. IMPORTANT ENERGY SCALES VII
BIBLIOGRAPHY IX
ACKNOWLEDGEMENT
XVII
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| any_adam_object | 1 |
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| dewey-ones | 537 - Electricity and electronics |
| dewey-raw | 537.622 |
| dewey-search | 537.622 |
| dewey-sort | 3537.622 |
| dewey-tens | 530 - Physics |
| discipline | Physik |
| format | Thesis Book |
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| spelling | Helzel, Andreas Verfasser aut Dephasing and quantum noise in an electronic Mach-Zehnder interferometer vorgelegt von Andreas Helzel 2012 VIII, 104, XIX S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier Regensburg, Univ., Diss., 2012 Mach-Zehnder-Interferometer (DE-588)4168432-1 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Mach-Zehnder-Interferometer (DE-588)4168432-1 s DE-604 Erscheint auch als Online-Ausgabe urn:nbn:de:bvb:355-epub-277705 http://epub.uni-regensburg.de/27770/ Verlag kostenfrei Volltext https://nbn-resolving.org/urn:nbn:de:bvb:355-epub-277705 Resolving-System DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=026814742&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Helzel, Andreas Dephasing and quantum noise in an electronic Mach-Zehnder interferometer Mach-Zehnder-Interferometer (DE-588)4168432-1 gnd |
| subject_GND | (DE-588)4168432-1 (DE-588)4113937-9 |
| title | Dephasing and quantum noise in an electronic Mach-Zehnder interferometer |
| title_auth | Dephasing and quantum noise in an electronic Mach-Zehnder interferometer |
| title_exact_search | Dephasing and quantum noise in an electronic Mach-Zehnder interferometer |
| title_full | Dephasing and quantum noise in an electronic Mach-Zehnder interferometer vorgelegt von Andreas Helzel |
| title_fullStr | Dephasing and quantum noise in an electronic Mach-Zehnder interferometer vorgelegt von Andreas Helzel |
| title_full_unstemmed | Dephasing and quantum noise in an electronic Mach-Zehnder interferometer vorgelegt von Andreas Helzel |
| title_short | Dephasing and quantum noise in an electronic Mach-Zehnder interferometer |
| title_sort | dephasing and quantum noise in an electronic mach zehnder interferometer |
| topic | Mach-Zehnder-Interferometer (DE-588)4168432-1 gnd |
| topic_facet | Mach-Zehnder-Interferometer Hochschulschrift |
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