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Showing 2016 · quant-phShow all
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quant-ph2016
Quantum effects in nanosystems: good reasons to use phase-space Weyl symbols
Ruggero Vaia
Bogoliubov transformations have been successfully applied in several Condensed Matter contexts, e.g., in the theory of superconductors, superfluids, and antiferromagnets. These app…
quant-ph2016★ 5 cited
Quantum dynamics of a macroscopic magnet operating as environment of a mechanical oscillator
Caterina Foti, Alessandro Cuccoli, Paola Verrucchi
We study the dynamics of a bipartite quantum system in a way such that its formal description keeps holding even if one of its parts becomes macroscopic: the problem is related wit…
quant-ph2016★ 21 cited
Irreversible Evolution of a Wave Packet in The Rigged Hilbert Space Quantum Mechanics
Giulia Marcucci, Claudio Conti
It is well known that a state with complex energy cannot be the eigenstate of a self-adjoint operator, like the Hamiltonian. Resonances, i.e. states with exponentially decaying obs…