2003
DOI: 10.1016/s0022-1236(02)00089-7
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Solving quantum stochastic differential equations with unbounded coefficients

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Cited by 30 publications
(25 citation statements)
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“…Here, H is a fixed self-adjoint operator representing the free Hamiltonian of the system, and L and S are system operators determining the coupling of the system to the field, with S unitary. For the sake of simplicity, we assume that the parameters S , L, H are bounded; however, we remark that under some suitable additional conditions the results should also apply to unbounded parameters [23,24].…”
Section: (A) the Filtering Problemmentioning
confidence: 99%
“…Here, H is a fixed self-adjoint operator representing the free Hamiltonian of the system, and L and S are system operators determining the coupling of the system to the field, with S unitary. For the sake of simplicity, we assume that the parameters S , L, H are bounded; however, we remark that under some suitable additional conditions the results should also apply to unbounded parameters [23,24].…”
Section: (A) the Filtering Problemmentioning
confidence: 99%
“…Now, we carry out the next three stages of this procedure in the proof of Theorem 3.1. Stage 4 rests on modifications of ideas presented in [8].…”
Section: S and There Is A Constant K Such Thatmentioning
confidence: 99%
“…Inspired by the proof of Theorem 2.2 of [8], we now consider the variant of the Yosida approximation C ε = (I + εC) −1 C(I + εC) −1 . Combining (3.5) and…”
Section: S and There Is A Constant K Such Thatmentioning
confidence: 99%
“…We consider only the type of observables relevant for the description of homodyne/heterodyne detection and we make the mathematical simplification of introducing only bounded operators on the Hilbert space of the quantum system of interest and a finite number of noises; for the case of unbounded operators see [26][27][28].…”
Section: Introductionmentioning
confidence: 99%