Probing non-equilibrium dynamics in two-dimensional quantum gases / / Cheng-An Chen

• Autore: Chen Cheng-An
• Pubblicazione: Cham, Switzerland : , : Springer International Publishing, , [2022]; ©2022
• Descrizione fisica: 1 online resource (151 pages)
• Disciplina: 536.7
• Soggetto topico: Nonequilibrium thermodynamics; Quantum theory
• Nota di contenuto: Intro -- Supervisor's Foreword -- Acknowledgments -- Journal Articles Published as a Result of This Thesis Research -- Contents -- 1 Introduction -- 1.1 Toward Designer Quantum Simulator -- 1.2 Two-Dimensional Homogeneous Bose Gases -- 1.3 Feshbach Resonance -- 1.3.1 s-Wave Scattering -- 1.3.2 Feshbach Resonances in Cold Collisions -- 1.3.3 Optical Feshbach Tuning -- 1.4 Weakly Interacting Bose Gases -- 1.4.1 Bogoliubov Theory -- 1.4.2 Quasiparticle Correlation -- 1.4.2.1 Structure Factor -- References -- 2 Experimental Setup -- 2.1 Laser System -- 2.1.1 External-Cavity Diode Laser -- 2.1.1.1 Reference Laser -- 2.1.1.2 Cooling Laser -- 2.1.1.3 Repumper Laser -- 2.1.2 Tapered Amplifier -- 2.1.3 dRSC Laser -- 2.1.4 Nd:YAG Laser -- 2.1.5 Ti:Sapphire Laser -- 2.2 Magnetic Coil -- 2.2.1 Main Coil -- 2.2.2 Bias Coil -- 2.3 Vacuum System -- 2.3.1 Design -- 2.3.2 Preparation -- 2.4 Computer Control -- References -- 3 Experimental Procedure -- 3.1 Production of Bose-Einstein Condensate -- 3.1.1 Laser Cooling -- 3.1.1.1 Zeeman Slower -- 3.1.1.2 Magneto-Optical Trap -- 3.1.1.3 Compressed MOT and Optical Molasses -- 3.1.1.4 Degenerate Raman Sideband Cooling -- 3.1.2 Evaporative Cooling -- 3.2 Production of Two-Dimensional Quantum Gas -- 3.3 Spatiotemporal Optical Control -- 3.3.1 Spatial Control -- 3.3.2 Temporal Control -- 3.4 Optical Lattices -- References -- 4 Universal Quench Dynamics and Townes Soliton Formation -- 4.1 Introduction -- 4.2 Methods -- 4.3 Results -- 4.4 Conclusion -- References -- 5 Scale-Invariant Townes Solitons -- 5.1 Introduction -- 5.2 Methods -- 5.3 Results -- 5.4 Conclusion -- References -- 6 Quasiparticle Pair-Production and Quantum Entanglement -- 6.1 Introduction -- 6.2 Methods -- 6.3 Results -- 6.4 Conclusion -- References -- 7 A Compact and Versatile Quantum Gas Machine -- 7.1 Introduction -- 7.2 Methods -- 7.3 Other Upgrades. ; 7.4 Conclusion -- References -- 8 Summary -- 8.1 Review of Past Work -- 8.2 Outlook and Future Work -- 8.2.1 Optical Feshbach Tuning -- 8.2.2 Phononic Crystal -- 8.2.3 Acoustic Black Hole -- References -- A Cesium Feshbach Resonances -- B Zeeman Slower Detail -- C Main Coil Detail -- D Optical Feshbach Tuning -- References -- E Appendix for Universal Quench Dynamics and Townes Soliton Formation -- E.1 Formation of a Townes Soliton Array -- E.2 Quench-Induced Dynamics in the Density Power Spectrum -- E.2.1 Theory of Density Structure Factor After an Interaction Quench to Attractive -- E.2.2 Amplification of Density Waves from Density Fluctuations Prior to the Quench -- E.2.3 The Scaling Behavior -- E.2.4 Relationship with Quench Dynamics at Repulsive -- E.2.5 Experimental Test of the Scaling Behavior in the Density Power Spectrum -- E.3 Soliton Collision Dynamics -- E.3.1 Soliton Binary Collision Rate -- E.3.2 Collision Lifetime of Solitons -- E.4 Collapse and Expansion Dynamics of an Unstable Townes Soliton -- E.4.1 Second Interaction Quench -- E.4.2 Fitting Atom Number Loss During Rapid Soliton Collapse -- References -- F Appendix for Scale-Invariant Townes Solitons -- F.1 Magnetic Two-Body Interaction Tuning -- F.2 Scale-Invariant 2D Solitons -- F.3 Effect of the MDDI on 2D Scale Invariance -- F.3.1 Scale Invariance in Deep 2D Limit -- F.4 Quasi-Scale Invariance -- References -- G Appendix for Quasiparticle Pair-Production and Quantum Entanglement -- G.1 Calibration of the Density Noise Power Spectrum -- G.2 Separability Criterion -- References.
• Titolo autorizzato: Probing Non-Equilibrium Dynamics in Two-Dimensional Quantum Gases
• ISBN: 9783031133558; 9783031133541
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Lingua di pubblicazione: Inglese
• Record Nr.: 996495163503316
• Lo trovi qui: Univ. di Salerno
• Serie: Springer Theses