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New operator-ordering identities and associative integration formulas of two-variable Hermite polynomials for constructing non-Gaussian states |
Fan Hong-Yi (范洪义)a, Wang Zhen (王震)b |
a Department of Physics, Ningbo University, Ningbo 315211, China; b College of Science, Changzhou Institute of Technology, Changzhou 213002, China |
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Abstract For directly normalizing the photon non-Gaussian states (e.g., photon added and subtracted squeezed states), we use the method of integration within an ordered product (IWOP) of operators to derive some new bosonic operator-ordering identities. We also derive some new integration transformation formulas about one- and two-variable Hermite polynomials in complex function space. These operator identities and associative integration formulas provide much convenience for constructing non-Gaussian states in quantum engineering.
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Received: 15 September 2013
Revised: 28 January 2014
Accepted manuscript online:
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PACS:
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03.65.-w
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(Quantum mechanics)
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42.50.-p
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(Quantum optics)
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03.67.-a
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(Quantum information)
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Fund: Project supported by the National Natural Science Foundation of China (Grant No. 11175113). |
Corresponding Authors:
Fan Hong-Yi
E-mail: fhym@ustc.edu.cn
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Cite this article:
Fan Hong-Yi (范洪义), Wang Zhen (王震) New operator-ordering identities and associative integration formulas of two-variable Hermite polynomials for constructing non-Gaussian states 2014 Chin. Phys. B 23 080301
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