Tutorial: Quantum Information & Cold Atoms

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Optical Cavity QED • optical photons in a high-Q cavity as "data bus" laser spontaneous emission cavity decay theory: Innsbruck, London ... exp: Caltech, Georgia Tech, Munich laser cavity adiabatic pasage decoherence free subspace 18
Concept 2: two-qubit gates via two-body interactions - Controlled two-body interaction V(R) 1 2 qubits • physical mechanisms We must design a Hamiltonian so that optical dipole – dipole (Albuquerque) cold collisions (Innsbruck) H Et|1 11| |121| |11 |12 e i |11 |12 Rydberg – Rydberg (Innsbruck + Harvard + Storrs) 19
Page 1 and 2: Tutorial: Quantum Information & Col
Page 3 and 4: Engineering Entangled States We nee
Page 5 and 6: Quantum information processing •
Page 7 and 8: 1. Cold atoms as quantum memory •
Page 9 and 10: Remarks: Traps ... • ion traps 20
Page 11 and 12: Remarks: Traps ... • loading a la
Page 13 and 14: Remarks: Traps ... • magnetic tra
Page 15 and 16: 2. Engineering entanglement: two-qu
Page 17: Ion Trap Quantum Computer • Cold
Page 21 and 22: Entanglement • parallelism e e
Page 23 and 24: • 2 qubit quantum gate |00 |00 |
Page 25 and 26: 3. Mesoscopic atomic ensembles •
Page 27 and 28: Manipulating collective excitations
Page 29 and 30: cont. • qubits | |g N |g N1 q
Page 31 and 32: Quantum Communications • classica
Page 33 and 34: Quantum Communication Protocols •
Page 35 and 36: Teleportation protocol: 1. Alice pe
Page 37 and 38: 3. Quantum Repeater • classical r
Page 39 and 40: Other (easier?) implementations •
Page 41 and 42: Atomic Ensembles • system: cloud
Page 43 and 44: Continuous Variable Teleportation
Page 45 and 46: Atomic ensembles as quantum memory
Page 47 and 48: Teleportation with coherent light +
Page 49 and 50: 4. Precision measurements • maxim
Page 51 and 52: We compare ... • N independent at
Page 53 and 54: 5. Topological quantum computing co
Page 55 and 56: 1. System: N bosonic atoms • N bo
Page 57 and 58: • interacting atoms - dynamics in
Page 59 and 60: 3. Excitations: ½ anyons • quasi

Tutorial: Quantum Information & Cold Atoms

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