UNDER CONSTRUCTION...
You might want to have a look at these for the time being:
- Movies
- FARADAY PATTERNS IN CIGAR SHAPED BECs
- Patterns
» mass = 120K atoms, fr=160.5 Hz, fz=7 Hz, Nr=801, Nz=801, [ movie ]
- BECs COLLISIONS
- Three 3D BEC fragments colliding (Brian P. Anderson's experiment)
» Ramp down time = 0 ms: Density, phase and vorticity for phases=(0,0,0):
[ 2D movie ],
[ vorticity (zoom out) ],
[ vorticity (0<t<40) ],
[ vorticity (18<t<35) ],
[ density ],
[ both ].
» Ramp down time = 0 ms: Density, phase and vorticity for phases=(0,2*pi/3,4*pi/3):
[ 2D movie ],
[ vorticity (zoom out) ],
[ vorticity (0<t<40) ],
[ vorticity (18<t<35) ],
[ density ],
[ both ].
» Ramp down time = 50 ms: Density, phase and vorticity for phases=(0,0,0):
[ 2D movie ],
[ vorticity ],
[ density ].
» Ramp down time = 50 ms: Density, phase and vorticity for phases=(0,2*pi/3,4*pi/3):
[ 2D movie ],
[ vorticity ],
[ density ].
- Two component BEC collisions
» Two fragments, one in each component, colliding (cropped domain): [ movie ]
» Two fragments, one in each component, colliding (full domain): [ movie ]
- MULTIPOLES IN BESSEL OLs
- Instabilities
» Unstable dipole (b=0.9, p=15) [ movie ]
» Unstable quadrupole (b=1, p=20) [ movie (t=[0,100]) ], [ movie (t=[100,200]) ]
- Different mesh and domain sizes (b=0.9, p=15)
» N=[64x64], L=[-8,8] and N=[128x128], L=[-16,16] [ movie ]
» N=[128x128], L=[-16,16] and N=[256x256], L=[-16,16] [ movie ]
- TWO COMPONENT BECs
- 50-50 of 360K atoms and
all parameters from David Hall's experiment (no expansion)
» 3D view with side and bottom projections and with slice removed:
* Cuts at 60% and 30% for |1> and |2> respectively: [ movie ]
* Cuts at 50% and 55% for |1> and |2> respectively: [ movie ]
- 43-57 mix for a total of 375K atoms, dissipation=0.0010, Tf=200ms (no expansion)
» 3D view with side and bottom projections [ movie ]
» 3D view with side and bottom projections and with slice removed [ movie ]
» 3D isocontours pics of the dynamics:
» High definition snapshots
[ 54 ms ] ,
[ 72 ms ] ,
[ 144 ms ] ,
[ 151 ms ]
- 50-50 mix for a total of 350K atoms, dissipation=0.0016, Tf=200ms (no expansion)
» 3D view (both components together) [ movie ]
- 50-50 mix for a total of 350K atoms, dissipation=0.002, Tf=200ms (no expansion)
» Top view (z-integrated) [ movie ]
» 3D view (both components together) [ movie ]
» R-Z view (computational coordinates) [ movie ]
- 50-50 mix for a total of 350K atoms, no dissipation, Tf=200ms (no expansion)
» Top view (z-integrated) [ movie ]
» 3D view (both components together) [ movie ]
» R-Z view (computational coordinates) [ movie ]
- 50-50 mix for a total of 332K atoms (no expansion)
» Top view (z-integrated) [ movie ]
» 3D view (both components together) [ movie ]
» 3D view (each components on its own) [ movie ]
- 80-20 mix for a total of 1,096K atoms (no expansion)
» Top view (z-integrated) [ movie ]
» 3D view (both components together) [ movie ]
» 3D view (each components on its own) [ movie ]
» R-Z view (computational coordinates) [ movie ]
- 80-20 mix for a total of 10,827K atoms (no expansion)
» Top view (z-integrated) [ movie ]
» 3D view (both components together) [ movie ]
» 3D view (each components on its own) [ movie ]
» R-Z view (computational coordinates) [ movie ]
- VORTICES IN BECs
- Vortex interactions with higher charge
» two vortices: charges -2 and +1
[ movie (0-400s) ],
[ movie (400-800s) ]
- Vortex formation by phase engineering
» one vortex [ movie
] [ phase IC ]
» two vortices [ movie
] [ phase IC ]
- Vortex dynamics for two vortices
» two vortices: same charge [ movie
]
» two vortices: opposite charge [ movie
]
- Vortex dynamics for four vortices
» four nearby vortices (2+ and 2-) [ movie ]
» four vortices (2+ and 2-) [ movie ]
» four off-center vortices (4+) [ movie ]
- Vortex dynamics for many vortices from GPE eq.
» top view |u(x,y,t)|2 [ movie ]
» side view 1-|u(x,y,t)|2 [ movie ]
- PDE (GPE) vs ODE approximation
» 3 vortices (circles) [ movie ]
» 3 vortices (flowers) [ movie ]
- VORTEX LATTICES IN BECs BY PHASE IMPRINTING
- MOLECULAR DYNAMICS FOR VORTEX LATTICES
- Nv=249, non periodic boundary conditions: triangular
core with circular shells.
» same charge [ movie
]
» mixed charges [ movie
]
- Nv=100, periodic box + fixed box angle = 90°:
triangular lattice
» random ICs [ movie
]
» IC = perturbed square lattice [ movie
]
- Nv=225, periodic box: triangular lattice
» box angle = 60° + square lattice in box [ movie
]
» box angle = 90° + random ICs [ movie
]
» box angle = 90° + random ICs + friction (final box angle
= 60°) [ movie
]
- Oscillatory (Tkachenko) modes of the triangular lattice:
» Nv=240, IC = perturbed square lattice [ movie
]
- CHEMOTAXIS
- Formation of aggregates
» moving mesh vs. static mesh [ movie
]
» two moving meshes with different monitor functions [ movie
]
- Metastability
» Two chemotactic aggregates attracting each other using a
moving mesh PDE [ movie
]
» Aggregate-boundary interactions:
> moving mesh vs. static
mesh [ movie ]
> double vs. quad precision
[ movie
]
- Bose Einstein Condensates (BEC)
- Chemotaxis - cross diffusion equations
