Quantum Cavity Field Qubit Model
Explore the quantum model of a cavity field Qubit, evolution, measurement protocols, and correlations. Discover the new state outcomes and measurement projections in this fascinating quantum field study.
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Presentation Transcript
Model ? ??? ?? ? ? ??? Cavity Field Qubit ???? = ? ? ??? ????(?) =? ? ???+ ? ? ? =1 2?? z+ ? ? ? ??+? ? ??? ? ? ? ? ??? 2 ? ? g ? = ? ?? ? ? 2 1 ? ?? ?2?2 ? ? =
Measurement protocol Field |1 Cavity |0 Qubit |? ?? ? 2 ??????? ?? ? 2 Evolution Measure Project ? on |? ?| (??) and on |? ?| (??) New state: ? = ??+ ?? Field |1 Cavity |0 Qubit |?
? = 0.1?,? = 0.5? ????? ?0 0.011 0.194 0.695 0.931 0.948
????? ?0 0.011 0.056 0.184 0.409 0.650 0.806 0.868 0.886 ????? ?0 0.011 0.194 0.695 0.931 0.948 Correlations?
Measurement protocol Field |1 Cavity |0 Qubit |? ?? ? 2 ??????? ?? ? 2 Evolution Field |1 Possible outcomes: 0000, 0001, 0010, , 1111 0 for |? ?| 1 for |? ?| 4 3 Cavity 2 1 |0 Qubit |? Measurement at the end of each segment Final projection of ? on state[k] (|? ?| or |? ?|, depending on the outcome) New state: ? = ??????[?] Repeated for each possible outcome (0000, 0001, 0010, )
Rivelata eccitazione Nessuna: p = 2.98% Almeno 1: p = 97.02% Almeno 2: p = 85.71% Almeno 3: p = 42.14% Almeno 4: p = 5.47% Tutte e 5 : p = 0.13%
