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Candidates for Localising Quantum Systems in Relativistic Quantum Information Antony R. Lee WithPowerPoint Presentation

Candidates for Localising Quantum Systems in Relativistic Quantum Information Antony R. Lee With

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Candidates for Localising Quantum Systems in Relativistic Quantum Information Antony R. Lee With

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Candidates for Localising Quantum Systems in Relativistic Quantum InformationAntony R. LeeWith

University of Nottingham Group

Outline

- Cavities
- Basic set-up
- Bosons + Fermions
- Resonances

- Detectors
- Model
- Interaction with window of modes

- Experiments + Conclusions
- Superconducting circuits
- Mechanical systems
- Future Work

Antony Richard Lee

QH 2012 – NTU

Localising Quantum Systems

Cavities

- Consists of inertial to accelerated to inertial regions
- “Paste” together segments
- Can build general trajectories

Antony Richard Lee

QH 2012 – NTU

Localising Quantum Systems

Cavities

Bosons

- Corrections are periodic
- Mass breaks periodicity

Fermions

- Boundary conditions break symmetry between particles and antiparticles
- Can analyse the effect of different boundary conditions

Bruschi et.al. Phys. Rev. D. 85. (061701)

Friis et.al. Phys. Rev. D. 85. (025012)

Antony Richard Lee

QH 2012 – NTU

Localising Quantum Systems

Cavities

- Bosons and Fermions
- Resonances
- Two-mode squeezed states

Bruschi et.al arXiv:1201.0663, Friss et.al. arXiv:1207.1827 (PRD)

Antony Richard Lee

QH 2012 – NTU

Localising Quantum Systems

Detectors

- Unruh-DeWitt Coupling
- Spatial profile
- Interaction with a window of modes

Martin-Martinez arXiv:1207.3248, ARL & Funetes (In prep.)

Antony Richard Lee

QH 2012 – NTU

Localising Quantum Systems

Experimental Proposals and Future

- SQUIDS
- Oscillating boundary conditions
- DCE

- Mechanical systems
- Optical systems
- Falling box

- Gates
- Two-mode squeezed states
- Generalised beam splitter

- Decoherence
- Temperature
- Leaking

- Extraction of entanglement
- Detectors
- Indirect probing

Antony Richard Lee

QH 2012 – NTU

Localising Quantum Systems

Thank you