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9 papers · 1 filter
Thermodynamic origin of quantum time-energy uncertainty relation
Zacharias Roupas
The problem of time is a notable obstacle towards the recognition of quantum theory as the ultimate fundamental description of nature. Quantum theory may not be complete if founded…
Persistent entanglement in two coupled SQUID rings in the quantum to classical transition - A quantum jumps approach
M. J. Everitt
We explore the quantum-classical crossover of two coupled, identical, superconducting quantum interference device (SQUID) rings. The motivation for this work is based on a series o…
Non-linear dynamics, entanglement and the quantum-classical crossover of two coupled SQUID rings
M. J. Everitt
We explore the quantum-classical crossover of two coupled, identical, superconducting quantum interference device (SQUID) rings. We note that the motivation for this work is based…
Quantum measurement with chaotic apparatus
M. J. Everitt, W. J. Munro, T. P. Spiller
We study a dissipative quantum mechanical model of the projective measurement of a qubit. We demonstrate how a correspondence limit, damped quantum oscillator can realise chaotic-l…
Delayed creation of entanglement in superconducting qubits interacting with a microwave field
M. Abdel-Aty, M. Everitt
We explore the role played by the intrinsic decoherence in superconducting charge qubits in the presence of a microwave field applied as a magnetic flux. We study how the delayed c…
On the correspondence principle: implications from a study of the chaotic dynamics of a macroscopic quantum device
M. J. Everitt
The recovery of classical chaotic dynamics from quantum systems has long been a subject of interest. Furthermore, recent work indicates that quantum chaos may well be significant i…