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Taming the Dynamical Sign Problem in Diagrammatic Algorithms for Open Quantum Systems
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- 1 Intro
- 2 Example
- 3 Different approaches
- 4 Price to pay
- 5 Framework
- 6 Notation
- 7 Naming time
- 8 Bad propagator
- 9 Applying perturbation theory
- 10 Simplifying assumptions
- 11 The Brick Theorem
- 12 The Full Propagator
- 13 The Hamiltonian
- 14 Propagator
- 15 Bb
- 16 Analytical sign problem
- 17 The inchworm
- 18 Interim expansion
- 19 Mathematical terminologies
- 20 Integral differential interpretation
- 21 OD representation
- 22 Natural numerical scheme
- 23 Interim diagram
- 24 Numerical examples
- 25 Can we do something better
- 26 Design a better numerical scheme
- 27 A good starting point
