By Domenech G., Freytes H.

During this paintings we construct a quantum common sense that permits us to consult actual magnitudespertaining to assorted contexts from a set one with out the contradictionswith quantum mechanics expressed in no-go theorems. This good judgment arises from consideringa sheaf over a topological house linked to the Boolean sublattices ofthe ortholattice of closed subspaces of the Hilbert area of the actual system.Different from common quantum logics, the contextual good judgment continues a distributivelattice constitution and an exceptional definition of implication as a residue of theconjunction

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**Example text**

100) It is possible to calculate the expectation values of a; , using the formula = Tr(pxa;). >= 0,

If the system is in the state 1/J( x) and an observation is made as a result of which the system's state vector becomes ¢>( x ), the probability of this result of the observation is I ( 1jJ, ¢>) 12 , which is the absolute square of the scalar product of the two state vectors. In terms of the Wigner functions, the transition probability can be written as I (1/J,r/>) 12 = 27r j W,p(x,p)Wq,(x,p)dxdp. 12) This expression is a clear proof that the Wigner function cannot be positive everywhere in phase space.

There are many other approaches to this problem. The rotating wave approximation is one of them. 27) 24 Forms of Quantum Mechanics then Eq. 28) These equations appear very simple, but cannot be solved analytically. It is a simple matter these days to solve these equations numerically. This does not prevent us from studying the properties of these equations. 29) Next, it should be noted that the difference between the two frequencies (w- a) can be much smaller than the sum (w +a). Thus, if we are primarily interested in the frequency region where (w- a) is small, the high frequency component of (w + a) can be ignored.

### Contextual logic for quantum systems by Domenech G., Freytes H.

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