{"title":"区分量子门的量子方案","authors":"Songsong Dai","doi":"10.1049/qtc2.70009","DOIUrl":null,"url":null,"abstract":"<p>Discrimination of quantum gates is fundamental to quantum computation and information. This process involves determining whether an unknown unitary gate <span></span><math>\n <semantics>\n <mrow>\n <mrow>\n <mi>A</mi>\n </mrow>\n </mrow>\n <annotation> $A$</annotation>\n </semantics></math> belongs to one of two sets of quantum gates, <span></span><math>\n <semantics>\n <mrow>\n <mrow>\n <mi>X</mi>\n </mrow>\n </mrow>\n <annotation> $X$</annotation>\n </semantics></math> or <span></span><math>\n <semantics>\n <mrow>\n <mrow>\n <mi>Y</mi>\n </mrow>\n </mrow>\n <annotation> $Y$</annotation>\n </semantics></math>. In this paper, we first introduce a scheme for distinguishing between two specific single-qubit gates. Subsequently, we present a scheme for discriminating between two particular two-qubit gates. Both of these discrimination schemes are exact quantum algorithms.</p>","PeriodicalId":100651,"journal":{"name":"IET Quantum Communication","volume":"6 1","pages":""},"PeriodicalIF":2.8000,"publicationDate":"2025-08-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ietresearch.onlinelibrary.wiley.com/doi/epdf/10.1049/qtc2.70009","citationCount":"0","resultStr":"{\"title\":\"Quantum Schemes for Distinguishing Quantum Gates\",\"authors\":\"Songsong Dai\",\"doi\":\"10.1049/qtc2.70009\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p>Discrimination of quantum gates is fundamental to quantum computation and information. This process involves determining whether an unknown unitary gate <span></span><math>\\n <semantics>\\n <mrow>\\n <mrow>\\n <mi>A</mi>\\n </mrow>\\n </mrow>\\n <annotation> $A$</annotation>\\n </semantics></math> belongs to one of two sets of quantum gates, <span></span><math>\\n <semantics>\\n <mrow>\\n <mrow>\\n <mi>X</mi>\\n </mrow>\\n </mrow>\\n <annotation> $X$</annotation>\\n </semantics></math> or <span></span><math>\\n <semantics>\\n <mrow>\\n <mrow>\\n <mi>Y</mi>\\n </mrow>\\n </mrow>\\n <annotation> $Y$</annotation>\\n </semantics></math>. In this paper, we first introduce a scheme for distinguishing between two specific single-qubit gates. Subsequently, we present a scheme for discriminating between two particular two-qubit gates. Both of these discrimination schemes are exact quantum algorithms.</p>\",\"PeriodicalId\":100651,\"journal\":{\"name\":\"IET Quantum Communication\",\"volume\":\"6 1\",\"pages\":\"\"},\"PeriodicalIF\":2.8000,\"publicationDate\":\"2025-08-29\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://ietresearch.onlinelibrary.wiley.com/doi/epdf/10.1049/qtc2.70009\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"IET Quantum Communication\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://ietresearch.onlinelibrary.wiley.com/doi/10.1049/qtc2.70009\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q3\",\"JCRName\":\"QUANTUM SCIENCE & TECHNOLOGY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"IET Quantum Communication","FirstCategoryId":"1085","ListUrlMain":"https://ietresearch.onlinelibrary.wiley.com/doi/10.1049/qtc2.70009","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"QUANTUM SCIENCE & TECHNOLOGY","Score":null,"Total":0}
Discrimination of quantum gates is fundamental to quantum computation and information. This process involves determining whether an unknown unitary gate belongs to one of two sets of quantum gates, or . In this paper, we first introduce a scheme for distinguishing between two specific single-qubit gates. Subsequently, we present a scheme for discriminating between two particular two-qubit gates. Both of these discrimination schemes are exact quantum algorithms.
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