Note on the "size" of Schroedinger cats
Anthony J. Leggett
TL;DR
This paper discusses the concept of the 'size' of Schrödinger cats in flux qubits, providing arguments that lead to different conclusions than previous studies, thereby clarifying the quantum-classical boundary.
Contribution
It offers new arguments to evaluate the 'size' of Schrödinger cat states in flux qubits, challenging prior results and contributing to the understanding of macroscopic quantum superpositions.
Findings
Different results from previous studies on the 'size' of Schrödinger cats in flux qubits
Arguments that refine the criteria for macroscopic quantum superpositions
Enhanced understanding of the quantum-classical boundary in superconducting systems
Abstract
We give some arguments to evaluate the "size" of Schrodinger cat for the flux qubit, which has really different results from ref.[1] Korsbakken et al. [1] J.Korsbakken,F.K.Wilhelm and K.B.Whaley,Physics Scripta T137,014022 (2009)
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Taxonomy
TopicsAdvanced Thermodynamics and Statistical Mechanics · Quantum Mechanics and Applications · Quantum Information and Cryptography