Towards 6Li - 40K ground state molecules:
Gespeichert in:
| 1. Verfasser: | |
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| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
2012
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| Schlagworte: | |
| Online-Zugang: | kostenfrei http://d-nb.info/1031631127/34 https://nbn-resolving.org/urn:nbn:de:bvb:19-153900 Inhaltsverzeichnis |
| Beschreibung: | IX, 144 S. Ill., graph. Darst. |
Internformat
MARC
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| 100 | 1 | |a Brachmann, Johannes Felix Simon |e Verfasser |4 aut | |
| 245 | 1 | 0 | |a Towards 6Li - 40K ground state molecules |c Johannes Felix Simon Brachmann |
| 264 | 1 | |c 2012 | |
| 300 | |a IX, 144 S. |b Ill., graph. Darst. | ||
| 336 | |b txt |2 rdacontent | ||
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| 502 | |a München, Univ., Diss., 2013 | ||
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Datensatz im Suchindex
| _version_ | 1804150272002359296 |
|---|---|
| adam_text | IMAGE 1
CONTENTS
1 I N T R O D U C T I O N 1
1.1 ULTRACOLD QUANTUM GASES 1
1.2 THE ULTRACOLD 6 LI - 40 K - 87 RB MIXTURE 5
1.2.1 THIS THESIS 5
1.2.2 OUTLINE OF THIS THESIS 6
2 T H E ULTRACOLD LI - K M I X T U R E , B O U N D A N D U N B O U N D S
T A T E S 9
2.1 IDEAL GASES IN HARMONIC TRAP POTENTIALS 10
2.2 LI - K INTERACTION POTENTIALS AND BOUND STATES 13
2.2.1 STATES OF ALKALI METAL DIMERS 13
2.2.2 ADIABATIC L I - K POTENTIALS 15
2.2.3 THE PRANCK - CONDON PRINCIPLE 16
2.2.4 EIGENSTATES IN THE X 1 S + AND L 1 ! ! POTENTIALS 19
2.2.5 RELEVANT PRANCK - CONDON FACTORS 24
2.3 SCATTERING IN THE ULTRACOLD LI - K MIXTURE 27
2.3.1 ELASTIC SCATTERING 28
2.3.2 INELASTIC SCATTERING 30
2.4 FESHBACH RESONANCES 34
2.4.1 ASYMPTOTIC BOUND STATE MODEL 36
3 E X P E R I M E N T A L A P P A R A T U S 4 1
3.1 THE PRODUCTION OF AN ULTRACOLD MIXTURE WITH UP TO THREE SPECIES 41
3.2 OPTICAL TRAPPING OF ATOMS AND MOLECULES 44
3.3 IMAGING OF PARTICLES IN THE L I - K MIXTURE 48
3.3.1 ABSORPTION IMAGING OF THE ATOMIC SPECIES AND FESHBACH MOLECULES 48
3.3.2 IMAGING OF DEEPLY BOUND L I - K MOLECULES 49
4 E X P E R I M E N T A L INVESTIGATION O F T H E FESHBACH RESONANCE A T
1 5 5 G 5 1
4.1 CROSS - DIMENSIONAL RELAXATION 51
4.2 EXPERIMENTAL GENERATION OF KINETIC ENERGY ANISOTROPICS 53
4.3 EXPERIMENTAL OBSERVATION OF CROSS - DIMENSIONAL RELAXATION 55
4.4 EXPERIMENTAL DETERMINATION OF THE POSITION AND WIDTH OF THE 155 G
RESO NANCE 56
4.5 RESONANT 6 L I - 4 0 K SCATTERING CROSS SECTIONS AROUND 155 G 57
4.6 MAGNETIC FIELD DEPENDENT LIFETIME OF 6 LI - 40 K DIMERS 58
VII
HTTP://D-NB.INFO/103511769X
IMAGE 2
CONTENTS
5 R A M A N TRANSITIONS B E T W E E N MOLECULAR S T A T E S O F L I - K
6 1
5.1 STIMULATED RAMAN ADIABATIC PASSAGE IN A A - CONFIGURATION THREE
LEVEL SYSTEM 61
5.2 WAVELENGTHS AND DIPOLE MOMENTS OF TRANSITIONS BETWEEN MOLECULAR
STATES IN THE X- -E 4 AND L 1 ! ! POTENTIALS 64
5.3 OPTIMIZATION OF THE STIRAP PULSE SEQUENCE 69
5.3.1 SELECTION RULES 69
5.3.2 ADIABATICITY CRITERION 69
5.3.3 CLOUD TEMPERATURE AND SENSITIVITY THE DETUNINGS A AND 5 71
5.3.4 DECAY FROM THE ELECTRONICALLY EXCITED STATE 72
5.3.5 STIRAP VIA MULTIPLE EXCITED STATES 72
5.4 PHOTON RECOIL AND NON - ADIABATIC CHANGE OF THE DIPOLE TRAPPING
POTENTIAL . 74
6 MOLECULAR SPECTROSCOPY 7 5
6.1 SPECTROSCOPY OF THE ELECTRONICALLY EXCITED STATES 75
6.2 A TOOL FOR MOLECULAR SPECTROSCOPY 78
6.2.1 FUNCTIONAL PRINCIPLE 78
6.2.2 CALIBRATION STEPS 78
6.2.3 ACCURACY OF THE CALIBRATED INTERFEROMETER SETUP 79
6.2.4 MOLECULAR SPECTROSCOPY WITH THE CALIBRATED INTERFEROMETER SETUP .
80 6.3 TWO-PHOTON SPECTROSCOPY OF LOW LYING STATES IN THE X 1 !] 1
POTENTIAL . . . 81
7 R A M A N LASER S Y S T E M 8 3
7.1 DESIGN OF THE RAMAN LASER SYSTEM 83
7.1.1 THE LASER SYSTEM 84
7.1.2 ALTERNATIVE LASER SYSTEM DESIGNS 86
7.1.3 TUNEABILITY OF THE RAMAN LASERS 88
7.2 ZERODUR FABRY-PEROT REFERENCE RESONATOR 89
7.2.1 FABRY-PEROT RESONATOR DESIGN 89
7.2.2 POUND-DREVER-HALL FREQUENCY STABILIZATION 93
7.2.3 CHARACTERIZATION OF THE FABRY-PEROT RESONATOR AND THE STABILIZED
RAMAN LASER 95
8 CONCLUSION A N D O U T L O O K 1 0 3
A CALIBRATION O F A N INTERFEROMETRIC LASER FREQUENCY STABILIZATION 1 0
9
A.L FUNCTIONAL PRINCIPLE , 109
A.2 PHASE - FREQUENCY RELATION I L L
A.2.1 PREDICTION OF AN INTERFEROMETER PHASE I L L
A.3 CALIBRATIONS 114
A.3.1 SIGNAL CORRECTION 114
A.3.2 ETALON DRIFT 114
A.3.3 COMPENSATION FOR THE EFFECT OF MULTIPLE INTERFERENCE 115
A.3.4 CALIBRATION OF THE ETALON S OPTICAL PATHLENGTH 115
A.4 DISCUSSION 120
A.4.1 ETALON LENGTH CALIBRATION 120
VIII
IMAGE 3
CONTENTS
A.4.2 POSSIBLE CAUSES FOR SYSTEMATIC FREQUENCY DEVIATIONS 122
A.5 STABILITY OF THE CALIBRATION 125
A.6 COMPARISON OF TWO INTERFEROMETER SETUPS 126
A.7 CONCLUSIVE REMARKS 126
BIBLIOGRAPHY 1 2 9
D A N K S A G U N G 1 4 3
IX
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| spelling | Brachmann, Johannes Felix Simon Verfasser aut Towards 6Li - 40K ground state molecules Johannes Felix Simon Brachmann 2012 IX, 144 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier München, Univ., Diss., 2013 (DE-588)4113937-9 Hochschulschrift gnd-content Erscheint auch als Online-Ausgabe urn:nbn:de:bvb:19-153900 http://edoc.ub.uni-muenchen.de/15390/ Verlag kostenfrei Volltext http://d-nb.info/1031631127/34 Langzeitarchivierung Nationalbibliothek https://nbn-resolving.org/urn:nbn:de:bvb:19-153900 Resolving-System DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=025939677&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Brachmann, Johannes Felix Simon Towards 6Li - 40K ground state molecules |
| subject_GND | (DE-588)4113937-9 |
| title | Towards 6Li - 40K ground state molecules |
| title_auth | Towards 6Li - 40K ground state molecules |
| title_exact_search | Towards 6Li - 40K ground state molecules |
| title_full | Towards 6Li - 40K ground state molecules Johannes Felix Simon Brachmann |
| title_fullStr | Towards 6Li - 40K ground state molecules Johannes Felix Simon Brachmann |
| title_full_unstemmed | Towards 6Li - 40K ground state molecules Johannes Felix Simon Brachmann |
| title_short | Towards 6Li - 40K ground state molecules |
| title_sort | towards 6li 40k ground state molecules |
| topic_facet | Hochschulschrift |
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