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Interacting Scales and Coupled Phenomena in Nature and Models
Published on Jul 07, 20142547 Views
Interacting time and space scales are universal. They frequently go hand in hand with coupled phenomena which can be observed in nature and man-made systems. Such multiscale coupled phenomena are fund
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Chapter list
Interacting Scales and Coupled Phenomena in Nature and Models00:00
Where are we - 102:00
Where are we - 202:08
Research Team / Collaborators02:30
Outline of This Talk02:55
Interacting Spatio-Temporal Scales: Going Up and Going Down03:58
Importance and Universality of Interacting Spatio-Temporal Scales05:25
Biological Nanostructures and the Design of Life06:29
Nanoscale, Low Dimensional Nanostructures & The Kingdom of Electrons07:25
How small is the nanoscale?08:23
Nanoscale and Arts09:14
Quantum Forest11:11
Why are they so important?11:27
Applications of LDNs12:23
Quantum Computing Applications12:39
Biomedical Applications of Low Dimensional Nanostructures13:00
Realistic Systems Description: Coupling in Dynamics13:10
Coupling: Universality and Numerical Approaches15:51
The importance of coupling at the nanoscale16:31
The top-down approach and the bottom-up realities17:46
Averaging procedures19:30
Physics-based models and the choice of basis functions20:15
The model for the WZ materials20:51
Finite LDSNs: geometric and material nonlinearities21:06
HeQuad Structure: A GaAs/lnAs/lnSb Quantum Dot22:18
Coupled Effects22:55
Variational formulations and coupling bandstructure and strain calculation23:52
Coupling with Schrodinger's model24:19
Excited states accounting for piezoeffect24:34
Deformed Band-edges25:22
Influence of finite size in NWSLs25:43
With coupling: piezo-electromechanical effects in wurtzite NWSLs26:21
Critical radius and barrier localization26:27
Symmetry breaking in low dimensional nanostructures26:40
Effect of thermal stresses in quantum dots and wires1,2,3,426:56
Modeling of the nanowire superlattices27:43
Results on band structure calculations28:03
Magneto-thermo-electromechanical effects - 128:34
Magneto-thermo-electromechanical effects - 228:44
Phase transformations (SMA)29:08
SMA Applications at Submicron Scale29:59
Microstructures - Nanograins30:32
Microstructure Evolution - e2 - 131:18
Microstructure Evolution - e2 - 231:22
Schematics of spin single electron transistors (SET): QDs31:33
Hamiltonian of quantum dots in III-V semiconductors: isotropic vs anisotropic32:41
Possible spin SET prototype QDs: g-factor34:13
Spin states in InAs QDs: Experiment vs Theory36:39
The influence of anisotropy effect on g-factor of InAs QDs37:05
Phonon mediated spin transition rates in III-V semiconductor QDs: Anisotropy effects37:54
Phonon mediated spin transition rate38:20
Why only the Rashba spin-orbit coupling gives a cusp-like structure?39:08
Controlling nanostructures39:39
Manipulation of spin through Berry phase in III-V semiconductor QDs40:51
Extension of Berry Phase for degenerate case: Disentangling operator method41:22
Quantum dot orbiting in a closed path in the plane of 2DEG41:56
Evolution of spin dynamics during the adiabatic movement of the QDs in the plane of 2DEG42:24
Controlling nanostructures with geometric phase43:17
Modelling biological systems: RNA nanostructures43:29
Getting started44:46
Equilibration and properties45:07
Stability conditions under quenching45:23
Evolution of the RNA nanoring46:34
New phenomena explanations with a hierarchy of MM47:06
Thank you48:10