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From bosons and fermions to spins: A multi-mode extension of the Jordan-Schwinger map
Benoît Dubus, Tobias Haas, Nicolas J. Cerf
The Jordan-Schwinger map is widely employed to switch between bosonic or fermionic mode operators and spin observables, with numerous applications ranging from quantum field theori…
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Wigner entropy conjecture and the interference formula in quantum phase space
Zacharie Van Herstraeten, Nicolas J. Cerf
Wigner-positive quantum states have the peculiarity to admit a Wigner function that is a genuine probability distribution over phase space. The Shannon differential entropy of the…