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Quasi-free stochastic integral representation theorems over the CCR

Published online by Cambridge University Press:  24 October 2008

Ivan F. Wilde
Affiliation:
Department of Mathematics, King's College, Strand, London WC 2R 2LS

Abstract

It is shown that each vector in the Hilbert space of certain quasi-free representations of the CCR can be written uniquely in terms of quantum stochastic integrals. As a consequence, we obtain general vector-valued and operator-valued boson quantum martingale representation theorems.

Type
Research Article
Copyright
Copyright © Cambridge Philosophical Society 1988

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References

REFERENCES

[1]Barnett, C., Streater, R. F. and Wilde, I. F.. The Itô–Clifford integral. J. Funct. Anal. 48 (1982), 172212.CrossRefGoogle Scholar
[2]Barnett, C., Streater, R. F. and Wilde, I. F.. Quasi-free quantum-stochastic integrals for the CAR and CCR. J. Funct. Anal. 52 (1983), 1947.CrossRefGoogle Scholar
[3]Barnett, C., Streater, R. F. and Wilde, I. F.. The Itô–Clifford integral. IV. A Radon–Nikodym theorem and bracket processes. J. Operator Theory 11 (1984), 255271.Google Scholar
[4]Barnett, C. and Wilde, I. F.. Quantum Doob–Meyer decompositions. J. Operator Theory, to appear.Google Scholar
[5]Hudson, R. L. and Lindsay, J. M.. A non-commutative martingale representation theorem for non-Fock quantum Brownian motion. J. Funct. Anal. 61 (1985), 202221.CrossRefGoogle Scholar
[6]Journé, J.-L. and Meyer, P. A.. Une martingale d'operateurs bornés, non representable en integrale stochastique. In Séminaire Probabilité XX, Lecture Notes in Math. vol. 1204 (Springer-Verlag, 1986), pp. 313316.Google Scholar
[7]Lindsay, J. M.. A quantum stochastic calculus. Ph.D. Thesis, Nottingham University (1985).Google Scholar
[8]Lindsay, J. M.. Fermion martingales. Probab. Theory Rel. Fields 71 (1986), 307320.CrossRefGoogle Scholar
[9]Lindsay, J. M. and Wilde, I. F.. On non-Fock Boson stochastic integrals. J. Funct. Anal. 65 (1986), 7682.CrossRefGoogle Scholar
[10]Parthasarathy, K. R. and Sinha, K. B.. Stochastic integral representation of bounded quantum martingales in Fock space. J. Funct. Anal. 67 (1986), 126151.CrossRefGoogle Scholar
[11]Wilde, I. F.. Quantum martingales and stochastic integrals. In Quantum Probability and Applications III, Lecture Notes in Math. vol. 1303 (Springer-Verlag, 1988), pp 363373.CrossRefGoogle Scholar