Description

Part 1: Traversable wormholes.- 1. Introduction (Francisco Lobo).-2. Wormhole basics (Francisco Lobo).-3. Rotating wormholes (Jutta Kunz).-4. Astrophysical signatures of thin accretion disks in wormhole spacetimes (Tiberiu Harko, Zoltan Kovacs, Francisco Lobo).-5. Wormholes in modified theories of gravity (Sergey Sushkov).-6. Trapped ghosts as sources for wormholes (Kirill Bronnikov).-7. Geons in modified gravity (Gonzalo Olmo, Diego Rubeira-Garcia).- Part 2: Energy conditions.- 1. Quantum inequalities (Christopher Fewster).-2. Semi-classical and nonlinear energy conditions (Prado Martín-Moruno, Matt Visser).- Part 3: Warp drive.- 1. Warp drive basics (Miguel Alcubierre).-2. Probing faster than light travel and chronology protection with superluminal warp drives (Carlos Barcelo, Stefano Liberati).- Part 4: Closed time-like curves.- 1. Time machine basics (Francisco Lobo).- Part 5: Conclusion ( Francisco Lobo).