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Candidates for Localising Quantum Systems in Relativistic Quantum Information Antony R. Lee With University of Nottingham Group. Outline. Cavities Basic set-up Bosons + Fermions Resonances Detectors Model Interaction with window of modes Experiments + Conclusions

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slide1
Candidates for Localising Quantum Systems in Relativistic Quantum InformationAntony R. LeeWith

University of Nottingham Group

slide2
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

slide3
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

slide4
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

slide5
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

slide6
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

slide7
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

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