Contents¶
- SpinDrops
- Download / Install
- Tutorial
- How to Use SpinDrops
- The Start Screen
- Selecting a Spin System Layout
- Setting Spin System Parameters
- Selecting the Initial State
- Shorthand Notation for Cartesian Product Operators
- Selecting a Pulse Sequence
- Controlling the Simulation
- Manipulating the DROPS Display
- Coordinate System
- Layouts
- Separation Types
- Multiple Projects
- Feature Manual
- Menus
- Windows
- Preferences Window
- System Parameters Window
- Initial State Graphical Edit Window
- Initial State Textual Edit Window
- Operator Inspector Window
- Tabular Pulse Sequence Editor
- Pulse Sequence Explorer Window
- Pulse Sequence Optimizer Window
- Pulse Explorer Window
- Phase Color Ref Window
- List Prod. Ops Window
- View Operator Windows
- Density Operator Window
- Hamiltonian Window
- Effective Hamiltonian Window
- Propagator Window
- Elem. Propagator Window
- About Window
- Preferences
- Keyboard Shortcuts
- DROPS Representation
- Beyond Vectors: The DROPS Representation of Operators
- Droplets representing Linear Operators
- Droplets of Cartesian Product Operators Are Real-Valued
- Droplets of Hermitian Operators Are Red/Green
- Droplets of Skew-Hermitian Operators Are Yellow/Blue
- Droplets of Operators Consisting of Hermitian and Skew-Hermitian Components
- Non-Selective Rotations of Operators Simply Rotate the Droplets
- Characteristic Droplets of Cartesian Product Operators Involving Two Spins
- Droplets of Cartesian Product Operators of the Form \(2I_{1a}I_{2a}\)
- Droplets of Cartesian Product Operators of the Form \(2I_{1a}I_{2b}\)
- Droplets of Cartesian Product Operators Involving Three Spins
- Droplet Symmetry and Coherence Order Rules
- Mathematical Background
- Mathematical Background of the DROPS Visualization
- Wigner Functions of Single Spins
- DROPS Display and Wigner Representation of Coupled Spins
- Mapping of Operator Components \(A^{(l)}\) to Individual Droplets
- (non-)Hermitian Tensor Operators and Real vs. Complex Spherical Harmonics
- LISA Basis
- Coherence Order
- Color Code
- Sequence Editor
- Activation of a Pulse Sequence Element
- Modification of a Sequence Element
- Creating a New Sequence
- Saving a Modified Sequence
- Modifying an Existing Pulse Sequence
- Moving Sequence Elements to Different Positions
- Copy/Paste
- Deleting Sequence Elements
- Creating Acquisition Elements
- Display and Duration of Pulses
- Sequence Explorer
- Sequence Optimizer
- Plain Text Operator Notation
- Examples
- Example 1: Excitation and Precession of a Single Spin
- Example 2: Rotation of \(I^+\) Around the z Axis
- Example 3: Weak Coupling Evolution in a Two-Spin System
- Example 4: Refocusing of Offset and Coupling Effects
- Example 5: Spectral Editing
- Example 6: TOCSY Transfer in a Two-Spin System
- Example 7: Inversion of Multiple-Quantum Coherence
- Challenges
- Challenge 1: Explore how to define desired states
- Challenge 2: Explore how to define desired states
- Challenge 3: Explore how to define desired states
- Challenge 4: Explore how to interpret droplets
- Challenge 5: Explore how to interpret droplets
- Challenge 6: Pulse sequence design challenge
- Challenge 7: Define a new operator
- Challenge 8: Rotations of operators and droplets
- Challenge 9: Recognizing droplets of antiphase operators (A)
- Challenge 10: Recognizing droplets of antiphase operators (B)
- Challenge 11: Symmetry of antiphase operators under 180° rotations (A)
- Challenge 12: Comparing the speed of coherence transfer
- Challenge 13: Seeing coherence orders
- FAQ
- What do I need to do to see the effect of a pulse sequence?
- How can I see what a particular operator looks like?
- How can I see which product operators are represented by a given DROPS display?
- How can I see (and modify) the current frequency offsets and coupling constants of the spins system?
- How do I choose the initial state of the spin system?
- Examples of States and Droplets of a Single Spin
- Examples of Zero-Quantum Coherences Involving Two Spins
- Examples of Single-Quantum Coherences Involving Two Spins
- Examples of Double-Quantum Coherences Involving Two Spins
- Additional Examples of Bilinear Operators Involving Two Spins
- How Can I Take a Screenshot of my DROPS Display on iOS?
- Physics
- Sequence Optimizer
- Web Version
- DROPS in Sphinx
- Glossary
- Acknowledgments
- Contact
- ChangeLog
- pending known bugs
- 2.1.0-beta18
- 2.1.0-beta17
- 2.1.0-beta16
- 2.1.0-beta15
- 2.1.0-beta14
- 2.1.0-beta13
- 2.1.0-beta12
- 2.1.0-beta11
- 2.1.0-beta10
- 2.1.0-beta8
- 2.1.0-beta7
- 2.0.4
- 2.0.3
- 2.0.2
- 2.0.1
- 2.0.0
- 2.0.0-beta25
- 2.0.0-beta24
- 2.0.0-beta23
- 2.0.0-beta22
- 2.0.0-beta20
- 2.0.0-beta19
- 2.0.0-beta18
- 2.0.0-beta17
- 2.0.0-beta16
- 2.0.0-beta15
- 2.0.0-beta14
- 2.0.0-beta13
- 2.0.0-beta12
- 2.0.0-beta11
- 2.0.0-beta9
- 1.0.0
- License
- Imprint + Data Protection
- Contents
- Todo