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Effects of frequency detuning and excitation quantum number on the dynamics of entanglement in the Jaynes-Cummings polariton model 频率失谐和激发量子数对Jaynes-Cummings极化子模型中纠缠动力学的影响
Quantum Physics Letters Pub Date : 2021-04-01 DOI: 10.21203/RS.3.RS-727169/V1
Christopher Mayero, Patrick Owiny
{"title":"Effects of frequency detuning and excitation quantum number on the dynamics of entanglement in the Jaynes-Cummings polariton model","authors":"Christopher Mayero, Patrick Owiny","doi":"10.21203/RS.3.RS-727169/V1","DOIUrl":"https://doi.org/10.21203/RS.3.RS-727169/V1","url":null,"abstract":"\u0000 We present a scheme for generating polaritons which are maximally entangled qubit states in the Jaynes-Cummings interaction mechanism. Considering a specific case of an atom initially in an excited state entering a cavity mode initially in vacuum state and in a non-resonant atom-field Jaynes-Cummings interaction, we demonstrate using graphical representation on the Bloch sphere that an increase in frequency detuning leads to an increase in Rabi oscillations. Analysis of the dynamical behaviour of quantum entanglement in the general Jaynes-Cummings atom-field interactions measured by concurrence show that frequency detuning and photon number parameters are vital in enhancing entanglement.","PeriodicalId":133952,"journal":{"name":"Quantum Physics Letters","volume":"30 2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129346593","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Dead-Alive Physicist Gedankenexperiment Debunked 已故物理学家格丹肯实验被揭穿
Quantum Physics Letters Pub Date : 2021-01-12 DOI: 10.20944/PREPRINTS202101.0214.V1
Amal Pushp
{"title":"The Dead-Alive Physicist Gedankenexperiment Debunked","authors":"Amal Pushp","doi":"10.20944/PREPRINTS202101.0214.V1","DOIUrl":"https://doi.org/10.20944/PREPRINTS202101.0214.V1","url":null,"abstract":"We refute a recently proposed thought experiment namely the Dead-Alive Physicist (DAP) whose authors claim it to be the falsification of the von Neumann interpretation in Quantum Mechanics. We discover major flaws in their model and our justification serves the purpose of disregarding further claims and assertions made in the paper at various stages. Thus, in a yet another situation, it is proven that the formalism advanced by von Neumann is non-trivial and non-falsifiable.","PeriodicalId":133952,"journal":{"name":"Quantum Physics Letters","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-01-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130018112","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Simple Rank Testing Procedure and Complexity Analysis for the Factorization Algorithm 一个简单的秩检验程序及分解算法的复杂度分析
Quantum Physics Letters Pub Date : 2019-04-01 DOI: 10.18576/QPL/080102
Dhananjay P. Mehendale, P. Joag
{"title":"A Simple Rank Testing Procedure and Complexity Analysis for the Factorization Algorithm","authors":"Dhananjay P. Mehendale, P. Joag","doi":"10.18576/QPL/080102","DOIUrl":"https://doi.org/10.18576/QPL/080102","url":null,"abstract":"","PeriodicalId":133952,"journal":{"name":"Quantum Physics Letters","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133066148","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Quantum Riemann Surfaces and the Measure of Noncommutativity 量子黎曼曲面与非交换性的测度
Quantum Physics Letters Pub Date : 2018-12-01 DOI: 10.18576/QPL/070303
S. Davis
{"title":"Quantum Riemann Surfaces and the Measure of Noncommutativity","authors":"S. Davis","doi":"10.18576/QPL/070303","DOIUrl":"https://doi.org/10.18576/QPL/070303","url":null,"abstract":"","PeriodicalId":133952,"journal":{"name":"Quantum Physics Letters","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123683014","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Supersymmetry and the Magnetic Moment 超对称和磁矩
Quantum Physics Letters Pub Date : 2018-12-01 DOI: 10.18576/QPL/070302
S. Davis
{"title":"Supersymmetry and the Magnetic Moment","authors":"S. Davis","doi":"10.18576/QPL/070302","DOIUrl":"https://doi.org/10.18576/QPL/070302","url":null,"abstract":"","PeriodicalId":133952,"journal":{"name":"Quantum Physics Letters","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115587427","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Analysis with Proximity Potentials of 8Li Elastic Scattering by 9Be, 12C, 13C, 14N, 27Al, 51V, 58Ni and 208Pb 9Be、12C、13C、14N、27Al、51V、58Ni和208Pb对8Li弹性散射的接近势分析
Quantum Physics Letters Pub Date : 2018-12-01 DOI: 10.18576/QPL/070304
M. Aygun
{"title":"Analysis with Proximity Potentials of 8Li Elastic Scattering by 9Be, 12C, 13C, 14N, 27Al, 51V, 58Ni and 208Pb","authors":"M. Aygun","doi":"10.18576/QPL/070304","DOIUrl":"https://doi.org/10.18576/QPL/070304","url":null,"abstract":"","PeriodicalId":133952,"journal":{"name":"Quantum Physics Letters","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128288395","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Momentum Space Treatment of the Two-Body Problem A+B → C +D and Its Application to the πN Scattering with Realistic Interaction 二体问题A+B→C +D的动量空间处理及其在实际相互作用下πN散射中的应用
Quantum Physics Letters Pub Date : 2018-08-01 DOI: 10.18576/QPL/070201
E. Darwish, E. M. Mahrous
{"title":"Momentum Space Treatment of the Two-Body Problem A+B → C +D and Its Application to the πN Scattering with Realistic Interaction","authors":"E. Darwish, E. M. Mahrous","doi":"10.18576/QPL/070201","DOIUrl":"https://doi.org/10.18576/QPL/070201","url":null,"abstract":"","PeriodicalId":133952,"journal":{"name":"Quantum Physics Letters","volume":"104 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130642037","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A New Simple and Efficient Quantum Algorithm for Factoring Composite Integers 一种新的简单高效的复合整数分解量子算法
Quantum Physics Letters Pub Date : 2018-08-01 DOI: 10.18576/QPL/070202
Dhananjay P. Mehendale
{"title":"A New Simple and Efficient Quantum Algorithm for Factoring Composite Integers","authors":"Dhananjay P. Mehendale","doi":"10.18576/QPL/070202","DOIUrl":"https://doi.org/10.18576/QPL/070202","url":null,"abstract":"","PeriodicalId":133952,"journal":{"name":"Quantum Physics Letters","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132498755","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Optimization of Measurement Device Independent Scarani-Ac´ın-Ribordy-Gisin Protocol 测量设备独立Scarani-Ac´ın-Ribordy-Gisin协议的优化
Quantum Physics Letters Pub Date : 2017-05-27 DOI: 10.18576/qpl/070301
C. Tannous, J. Langlois
{"title":"Optimization of Measurement Device Independent Scarani-Ac´ın-Ribordy-Gisin Protocol","authors":"C. Tannous, J. Langlois","doi":"10.18576/qpl/070301","DOIUrl":"https://doi.org/10.18576/qpl/070301","url":null,"abstract":"The measurement device independent (MDI) Quantum Key Distribution (QKD) is a practically implementable method for transmitting secret keys between respective partners performing quantum communication. SARG04 (Scarani-Ac`{i}n-Ribordy-Gisin 2004) is a protocol tailored to struggle against photon number splitting (PNS) attacks by eavesdroppers and its MDI-QKD version is reviewed and optimized from secret key bitrate versus communication distance point of view. We consider the effect of several important factors such as error correction function, dark counting parameter and quantum efficiency in order to achieve the largest key bitrate versus longest communication distance.","PeriodicalId":133952,"journal":{"name":"Quantum Physics Letters","volume":"83 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-05-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125492106","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
On the Existence of Absolutely Maximally Entangled States of Minimal Support II 最小支持下绝对最大纠缠态的存在性问题2
Quantum Physics Letters Pub Date : 2016-03-19 DOI: 10.18576/QPL/080101
A. Bernal
{"title":"On the Existence of Absolutely Maximally Entangled States of Minimal Support II","authors":"A. Bernal","doi":"10.18576/QPL/080101","DOIUrl":"https://doi.org/10.18576/QPL/080101","url":null,"abstract":"Absolutely maximally entangled, AME, states are pure multipartite states that give rise to the maximally mixed states when half or more of the parties are traced out. AME states find applications in fields like teleportation or quantum secret sharing, and the problem of finding conditions on their existence has been considered in a number of papers. \u0000We consider here AME states of minimal support, that are simpler to analyse. An equivalence with coding theory gives a sufficient condition for their existence, that the number of sites be equal to the local dimension plus one, when the local dimension $d$ is a power of a prime number. \u0000In this paper, an equivalence with latin hypercubes is used to prove that the above sufficient condition fails in the first case in which the local dimension is not a prime power, $d=6$. Results for other values of $d$ are also given.","PeriodicalId":133952,"journal":{"name":"Quantum Physics Letters","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134647849","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
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