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Interacting Scales and Coupled Phenomena in Nature and Models
Published on 2014-07-072553 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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Presentation
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