Absence of coherent superpositions in the coherent-state basis is a sufficient condition for Wigner function positivity, necessary and sufficient for cat states and limiting cases of higher-order cat states.
Nature 455(7212), 510–514 (2008)
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UNVERDICTED 3representative citing papers
Phase-space kinetic modeling with distribution function f(r,p,t) is applied to solid-state plasmas in nano-objects, adding quantum, spin, relativistic and dissipative features for linear and nonlinear response examples.
Electron beams offer a route to probe and potentially tailor quantum coherence and entanglement in semiconductor and 2D material systems.
citing papers explorer
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Operational criterion for Wigner function negativity
Absence of coherent superpositions in the coherent-state basis is a sufficient condition for Wigner function positivity, necessary and sufficient for cat states and limiting cases of higher-order cat states.
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Phase-space modelling of solid-state plasmas
Phase-space kinetic modeling with distribution function f(r,p,t) is applied to solid-state plasmas in nano-objects, adding quantum, spin, relativistic and dissipative features for linear and nonlinear response examples.
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Perspective on tailoring quantum coherence with electron beams
Electron beams offer a route to probe and potentially tailor quantum coherence and entanglement in semiconductor and 2D material systems.