dorsal/arxiv
View SchemaKraus representation of damped harmonic oscillator and its application
| Authors | Yu-xi Liu, Sahin Kaya Ozdemir, Adam Miranowicz, Nobuyuki Imoto |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0407263 |
| URL | https://arxiv.org/abs/quant-ph/0407263 |
| DOI | 10.1103/PhysRevA.70.042308 |
| Journal | Phys. Rev. A 70, 042308 (2004) |
Abstract
By definition, the Kraus representation of a harmonic oscillator suffering from the environment effect, modeled as the amplitude damping or the phase damping, is directly given by a simple operator algebra solution. As examples and applications, we first give a Kraus representation of a single qubit whose computational basis states are defined as bosonic vacuum and single particle number states. We further discuss the environment effect on qubits whose computational basis states are defined as the bosonic odd and even coherent states. The environment effects on entangled qubits defined by two different kinds of computational basis are compared with the use of fidelity.
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"abstract": "By definition, the Kraus representation of a harmonic oscillator suffering\nfrom the environment effect, modeled as the amplitude damping or the phase\ndamping, is directly given by a simple operator algebra solution. As examples\nand applications, we first give a Kraus representation of a single qubit whose\ncomputational basis states are defined as bosonic vacuum and single particle\nnumber states. We further discuss the environment effect on qubits whose\ncomputational basis states are defined as the bosonic odd and even coherent\nstates. The environment effects on entangled qubits defined by two different\nkinds of computational basis are compared with the use of fidelity.",
"arxiv_id": "quant-ph/0407263",
"authors": [
"Yu-xi Liu",
"Sahin Kaya Ozdemir",
"Adam Miranowicz",
"Nobuyuki Imoto"
],
"categories": [
"quant-ph"
],
"doi": "10.1103/PhysRevA.70.042308",
"journal_ref": "Phys. Rev. A 70, 042308 (2004)",
"title": "Kraus representation of damped harmonic oscillator and its application",
"url": "https://arxiv.org/abs/quant-ph/0407263"
},
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