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CPT and Lorentz Symmetry最新文献

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Lorentz Tests with Astrophysical Photons 天体物理光子的洛伦兹测试
CPT and Lorentz Symmetry Pub Date : 2022-07-10 DOI: 10.1142/9789811275388_0022
F. Kislat
{"title":"Lorentz Tests with Astrophysical Photons","authors":"F. Kislat","doi":"10.1142/9789811275388_0022","DOIUrl":"https://doi.org/10.1142/9789811275388_0022","url":null,"abstract":"Astrophysical polarization measurements provide some of the strongest constraints on the photon sector of the non-minimal Standard-Model Extension. This paper reviews some recent results obtained by combining optical linear and circular polarization data from a large number of astrophysical objects.","PeriodicalId":104099,"journal":{"name":"CPT and Lorentz Symmetry","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128713669","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
Lorentz-Violating Electrodynamics in Continuous Matter 连续物质中的违反洛伦兹电动力学
CPT and Lorentz Symmetry Pub Date : 2022-07-09 DOI: 10.1142/9789811275388_0024
M. M. Ferreira, P. D. Silva, M. Schreck
{"title":"Lorentz-Violating Electrodynamics in Continuous Matter","authors":"M. M. Ferreira, P. D. Silva, M. Schreck","doi":"10.1142/9789811275388_0024","DOIUrl":"https://doi.org/10.1142/9789811275388_0024","url":null,"abstract":"We review the propagation of electromagnetic waves in continuous matter in the presence of Lorentz-violating terms. First, we briefly discuss classical electrodynamics with regard to optical properties of a dielectric medium exhibiting the Chiral Magnetic Effect (CME). Such a medium can be modeled by Maxwell-Carroll-Field-Jackiw (MCFJ) theory. Second, we describe the impact of CPT-odd terms of mass dimensions three and five, respectively, on electromagnetic propagation in continuous matter. Birefringence and absorption are analyzed in the scenarios investigated. Our findings provide new insights into the interplay between classical field theory and optical effects in matter.","PeriodicalId":104099,"journal":{"name":"CPT and Lorentz Symmetry","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114655800","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
Recent Experimental Progress on Probing Lorentz Violation in Pure Gravity for d = 6 d = 6纯重力中探测洛伦兹破坏的实验进展
CPT and Lorentz Symmetry Pub Date : 2022-07-05 DOI: 10.1142/9789811275388_0042
Tao Jin, Jia-Rui Li, Y. Tan, C. Shao
{"title":"Recent Experimental Progress on Probing Lorentz Violation in Pure Gravity for d = 6","authors":"Tao Jin, Jia-Rui Li, Y. Tan, C. Shao","doi":"10.1142/9789811275388_0042","DOIUrl":"https://doi.org/10.1142/9789811275388_0042","url":null,"abstract":"Short-range experiment with striped design of the test and source masses offers uniquely sensitive probes for Lorentz Violation. In our previous work, we proposed to combine the horizontally and vertically striped experiments to constrain the violating parameters. Here, we further point out adopting the vertically striped structure with the experimental setup placed at two azimuth angles, which has more experimental operability. For the experiment, we have completed the assembly and measurement of the torsion pendulum.","PeriodicalId":104099,"journal":{"name":"CPT and Lorentz Symmetry","volume":"108 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-07-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124062596","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
Curved Momentum-Space Equivalent to the Linear and Quadratic Generalized Uncertainty Principle 弯曲动量空间等效于线性和二次广义不确定性原理
CPT and Lorentz Symmetry Pub Date : 2022-07-05 DOI: 10.1142/9789811275388_0062
Fabian Wagner
{"title":"Curved Momentum-Space Equivalent to the Linear and Quadratic Generalized Uncertainty Principle","authors":"Fabian Wagner","doi":"10.1142/9789811275388_0062","DOIUrl":"https://doi.org/10.1142/9789811275388_0062","url":null,"abstract":"In this work, we deepen the correspondence between Generalized Uncertainty Principles (GUPs) and quantum dynamics on curved momentum space. In particular, we investigate the linear and quadratic GUP. Similarly to earlier work, the resulting curvature tensor in the dual theory is proportional to the coordinate non-commutativity of the original formulation.","PeriodicalId":104099,"journal":{"name":"CPT and Lorentz Symmetry","volume":"79 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-07-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124828423","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: 4
Cherenkov Radiation in Chiral Media 手性介质中的切伦科夫辐射
CPT and Lorentz Symmetry Pub Date : 2022-07-03 DOI: 10.1142/9789811275388_0064
E. Barredo, L. Urrutia
{"title":"Cherenkov Radiation in Chiral Media","authors":"E. Barredo, L. Urrutia","doi":"10.1142/9789811275388_0064","DOIUrl":"https://doi.org/10.1142/9789811275388_0064","url":null,"abstract":"In the framework of Carrol-Field-Jackiw electrodynamics we calculate the spectral distribution of the Cherenkov radiation (CHR) produced by a charge moving at constant velocity in a chiral medium. We find zero, one or two Cherenkov angles according to the relation between the velocity of the particle and the refraction index of the medium.","PeriodicalId":104099,"journal":{"name":"CPT and Lorentz Symmetry","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130862451","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
LIV in Matter 物质生活
CPT and Lorentz Symmetry Pub Date : 2022-07-01 DOI: 10.1142/9789811275388_0015
L. Urrutia
{"title":"LIV in Matter","authors":"L. Urrutia","doi":"10.1142/9789811275388_0015","DOIUrl":"https://doi.org/10.1142/9789811275388_0015","url":null,"abstract":"We summarize recent work dealing with the characterization of effective actions giving the electromagnetic response of some topological materials, arising from their microscopic structure. The case of weakly tilted Weyl semimetals in the limit of zero temperature, but nonzero chemical potential, is presented as a subset of a specific choice of terms in the fermionic sector of the SME.","PeriodicalId":104099,"journal":{"name":"CPT and Lorentz Symmetry","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122201795","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
Coherent States for Trapped Ions: Applications in Quantum Optics and Precision Measurements 捕获离子的相干态:在量子光学和精密测量中的应用
CPT and Lorentz Symmetry Pub Date : 2022-06-25 DOI: 10.1142/9789811275388_0043
B. Mihalcea
{"title":"Coherent States for Trapped Ions: Applications in Quantum Optics and Precision Measurements","authors":"B. Mihalcea","doi":"10.1142/9789811275388_0043","DOIUrl":"https://doi.org/10.1142/9789811275388_0043","url":null,"abstract":"The evolution of squeezed coherent states (CSs) of motion for trapped ions is investigated by applying the time dependent variational principle (TDVP) for the Schr\"{o}dinger equation. The method is applied in case of Paul and combined traps, for which the classical Hamiltonian and equations of motion are derived. Hence, CS provide a natural framework to: (a) engineer quantum correlated states for trapped ions intended for ultraprecise measurements, (b) explore the mechanisms responsible for decoherence, and (c) investigate the quantum-classical transition.","PeriodicalId":104099,"journal":{"name":"CPT and Lorentz Symmetry","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128441985","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
Lorentz-Symmetry Breaking and Supersymmetry 洛伦兹对称破缺和超对称
CPT and Lorentz Symmetry Pub Date : 2022-06-22 DOI: 10.1142/9789811275388_0044
J. Nascimento, A. Petrov
{"title":"Lorentz-Symmetry Breaking and Supersymmetry","authors":"J. Nascimento, A. Petrov","doi":"10.1142/9789811275388_0044","DOIUrl":"https://doi.org/10.1142/9789811275388_0044","url":null,"abstract":"We discuss three manners to implement Lorentz symmetry breaking in a superfield theory formulated within the superfield formalism, that is, deformation of the supersymmetry algebra, introducing of an extra superfield whose components can depend on Lorentz-violating (LV) vectors (tensors), and adding of new terms proportional to LV vectors (tensors) to the superfield action. We illustrate these methodologies with examples of quantum calculations.","PeriodicalId":104099,"journal":{"name":"CPT and Lorentz Symmetry","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130472004","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 Hamiltonian of Gravity Theories Whose Action is Linear in Spacetime Curvature 论作用于时空曲率的线性引力理论的哈密顿量
CPT and Lorentz Symmetry Pub Date : 2022-06-21 DOI: 10.1142/9789811275388_0039
Y. Bonder
{"title":"On the Hamiltonian of Gravity Theories Whose Action is Linear in Spacetime Curvature","authors":"Y. Bonder","doi":"10.1142/9789811275388_0039","DOIUrl":"https://doi.org/10.1142/9789811275388_0039","url":null,"abstract":"A straightforward method to compute Hamilton's density for theories that are linear in the spacetime curvature is provided. It is shown that the lapse function and shift vector still give rise to primary constraints, while the induced metric gives rise to nontrivial evolution equations. The corresponding Hamilton's density can always be obtained, albeit in a formal sense.","PeriodicalId":104099,"journal":{"name":"CPT and Lorentz Symmetry","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127413064","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
SME Gravity in the Early Universe 早期宇宙的引力
CPT and Lorentz Symmetry Pub Date : 2022-06-16 DOI: 10.1142/9789811275388_0033
Nils A. Nilsson
{"title":"SME Gravity in the Early Universe","authors":"Nils A. Nilsson","doi":"10.1142/9789811275388_0033","DOIUrl":"https://doi.org/10.1142/9789811275388_0033","url":null,"abstract":"In this talk, we give a short overview of recent work on cosmological solutions within the SME gravitational sector under the assumption of explicit spacetime-symmetry breaking. We show that for the special case of timelike diffeomorphism breaking, the resulting Friedmann equations can be written as standard FLRW cosmology with added dynamical dark energy, and we discuss primordial gravitational waves in the context of this model.","PeriodicalId":104099,"journal":{"name":"CPT and Lorentz Symmetry","volume":"161 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127289878","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
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