Effects of intrinsic decoherence on various correlations and quantum dense coding in a two superconducting charge qubit system
The influence of intrinsic decoherence on various correlations and dense coding in a model which consists of two identical superconducting charge qubits coupled by a fixed capacitor is investigated. The results show that, despite the intrinsic decoherence, the correlations as well as the dense codin...
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| Published in | Chinese physics B Vol. 24; no. 9; pp. 125 - 129 |
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| Main Author | |
| Format | Journal Article |
| Language | English |
| Published |
01.09.2015
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1674-1056 2058-3834 1741-4199 |
| DOI | 10.1088/1674-1056/24/9/090307 |
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| Abstract | The influence of intrinsic decoherence on various correlations and dense coding in a model which consists of two identical superconducting charge qubits coupled by a fixed capacitor is investigated. The results show that, despite the intrinsic decoherence, the correlations as well as the dense coding channel capacity can be effectively increased via the combination of system parameters, i.e., the mutual coupling energy between the two charge qubits is larger than the Josephson energy of the qubit. The bigger the difference between them is, the better the effect is. |
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| AbstractList | The influence of intrinsic decoherence on various correlations and dense coding in a model which consists of two identical superconducting charge qubits coupled by a fixed capacitor is investigated. The results show that, despite the intrinsic decoherence, the correlations as well as the dense coding channel capacity can be effectively increased via the combination of system parameters, i.e., the mutual coupling energy between the two charge qubits is larger than the Josephson energy of the qubit. The bigger the difference between them is, the better the effect is. |
| Author | 王飞 麦麦提依明·吐孙 帕肉克·帕尔哈提 艾合买提·阿不力孜 |
| AuthorAffiliation | School of Physics and Electronic Engineering, Xinjiang Normal University, Urumchi 830054, China |
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| Notes | The influence of intrinsic decoherence on various correlations and dense coding in a model which consists of two identical superconducting charge qubits coupled by a fixed capacitor is investigated. The results show that, despite the intrinsic decoherence, the correlations as well as the dense coding channel capacity can be effectively increased via the combination of system parameters, i.e., the mutual coupling energy between the two charge qubits is larger than the Josephson energy of the qubit. The bigger the difference between them is, the better the effect is. superconducting charge qubit,quantum dense coding,channel capacity,intrinsic decoherence 11-5639/O4 ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23 |
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| SubjectTerms | Capacitors Charge Charge density Coding Correlation Mutual coupling Qubits (quantum computing) Superconductivity 关联 电荷 相互耦合 系统 超导 退相干 量子密集编码 量子比特 |
| Title | Effects of intrinsic decoherence on various correlations and quantum dense coding in a two superconducting charge qubit system |
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