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Turkish Journal of Physics最新文献

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Dynamic multicritical phase diagrams of the mixed spin (2, 5/2) Blume-Emery-Griffiths model with repulsive biquadratic coupling 具有排斥双二次耦合的混合自旋（2,5/2）Blume-Emery-Griffiths模型的动态多临界相图
IF 2.1
Turkish Journal of Physics Pub Date : 2022-01-01 DOI: 10.55730/1300-0101.2731
M. Gençaslan, M. Keskin
{"title":"Dynamic multicritical phase diagrams of the mixed spin (2, 5/2) Blume-Emery-Griffiths model with repulsive biquadratic coupling","authors":"M. Gençaslan, M. Keskin","doi":"10.55730/1300-0101.2731","DOIUrl":"https://doi.org/10.55730/1300-0101.2731","url":null,"abstract":"","PeriodicalId":46003,"journal":{"name":"Turkish Journal of Physics","volume":null,"pages":null},"PeriodicalIF":2.1,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46515403","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 fine spectral tuning of plasmon mode and quantum emitter coupling and itscomparison with the dark-hot resonances 等离子体模式和量子发射极耦合的精细光谱调谐及其与暗热共振的比较
IF 2.1
Turkish Journal of Physics Pub Date : 2022-01-01 DOI: 10.55730/1300-0101.2692
H. Asif, R. Ovali, Ramazan Sahin
{"title":"The fine spectral tuning of plasmon mode and quantum emitter coupling and itscomparison with the dark-hot resonances","authors":"H. Asif, R. Ovali, Ramazan Sahin","doi":"10.55730/1300-0101.2692","DOIUrl":"https://doi.org/10.55730/1300-0101.2692","url":null,"abstract":": Localization of incident fields into very small volumes (hot-spots) allows strong light-matter inter-actions at the hot spots. This makes path interference effects, Fano resonances, visible. Fano resonances can appear due to the coupling of a bright plasmon (i) to a longer lifetime dark plasmon mode or (ii) to a quantum object (QO) of a much longer lifetime. The second phenomenon provides a very important utility: the voltage tunability of the linear/nonlinear response. The level-spacing of the QO, such as defect-centers and quantum dots, are voltage-tunable which can make a sharp Fano resonance appear and disappear. Here, we compare the two phenomena by solving the equations of motions for the near-field plasmon amplitudes, derived from two different Hamiltonians. While the two plasmon amplitudes look similar to each other, except for the population inversion parameter ‘ y ’, our results show that quantum emitter enables fine spectral tuning of the plasmon amplitude, thus, providing better enhancement.","PeriodicalId":46003,"journal":{"name":"Turkish Journal of Physics","volume":null,"pages":null},"PeriodicalIF":2.1,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41466269","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
Dissolution of Alumina in Cryolite Melts: A Conceptual DFT Study 氧化铝在冰晶石熔体中的溶解:概念DFT研究
IF 2.1
Turkish Journal of Physics Pub Date : 2022-01-01 DOI: 10.55730/1300-0101.2729
A. S. Özen, Z. Akdeniz
{"title":"Dissolution of Alumina in Cryolite Melts: A Conceptual DFT Study","authors":"A. S. Özen, Z. Akdeniz","doi":"10.55730/1300-0101.2729","DOIUrl":"https://doi.org/10.55730/1300-0101.2729","url":null,"abstract":"","PeriodicalId":46003,"journal":{"name":"Turkish Journal of Physics","volume":null,"pages":null},"PeriodicalIF":2.1,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42711974","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
Critical dynamics in biological Boolean networks follows from symmetric response to input genes 生物布尔网络的临界动力学遵循对输入基因的对称响应
IF 2.1
Turkish Journal of Physics Pub Date : 2022-01-01 DOI: 10.55730/1300-0101.2727
Hamza Coban, A. Kabakçıoğlu
{"title":"Critical dynamics in biological Boolean networks follows from symmetric response to input genes","authors":"Hamza Coban, A. Kabakçıoğlu","doi":"10.55730/1300-0101.2727","DOIUrl":"https://doi.org/10.55730/1300-0101.2727","url":null,"abstract":"","PeriodicalId":46003,"journal":{"name":"Turkish Journal of Physics","volume":null,"pages":null},"PeriodicalIF":2.1,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43983990","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
3D self-assemble formation of molybdenum disulfide (MoS2)-doped polyacrylamide (PAAm) composite hydrogels 二硫化钼(MoS2)掺杂聚丙烯酰胺(PAAm)复合水凝胶的三维自组装形成
IF 2.1
Turkish Journal of Physics Pub Date : 2022-01-01 DOI: 10.55730/1300-0101.2730
Sümeyye Durmaz, Ekrem Yildiz, B. Uysal, Mehmet Önder Pekcan
{"title":"3D self-assemble formation of molybdenum disulfide (MoS2)-doped polyacrylamide (PAAm) composite hydrogels","authors":"Sümeyye Durmaz, Ekrem Yildiz, B. Uysal, Mehmet Önder Pekcan","doi":"10.55730/1300-0101.2730","DOIUrl":"https://doi.org/10.55730/1300-0101.2730","url":null,"abstract":"","PeriodicalId":46003,"journal":{"name":"Turkish Journal of Physics","volume":null,"pages":null},"PeriodicalIF":2.1,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41874126","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 effect of interfacial morphology on the magnetic and magnetocaloricproperties of ferromagnetic nanoparticles with core-shell geometry: a MonteCarlo Study 界面形态对核壳结构铁磁性纳米颗粒磁热性能的影响：MonteCarlo研究
IF 2.1
Turkish Journal of Physics Pub Date : 2022-01-01 DOI: 10.55730/1300-0101.2689
Y. Yüksel
{"title":"The effect of interfacial morphology on the magnetic and magnetocaloricproperties of ferromagnetic nanoparticles with core-shell geometry: a MonteCarlo Study","authors":"Y. Yüksel","doi":"10.55730/1300-0101.2689","DOIUrl":"https://doi.org/10.55730/1300-0101.2689","url":null,"abstract":"Within the framework of Monte Carlo simulations, we investigate the magnetic and magnetocaloric properties of a nanocomposite particle composed of ferromagnetic core and shell layers. We found that isothermal magnetic entropy change may exhibit two peaks associated to two different phase transitions of the core and shell layers. We paid particular attention to the microscopic details of the core/shell interface. Our results suggest that for the large values of the interface exchange coupling, the full width at half maximum is expanded at the expense of the low temperature peak of isothermal entropy change |∆SM | whereas the high temperature peak is found to be more or less insensitive to varying exchange coupling. Besides, our simulations yield that magnetocaloric properties of the particles with a cubic core are enhanced in comparison with those composed of truncated cuboctahedral, spherical, octahedral, and asteroid shaped cores.","PeriodicalId":46003,"journal":{"name":"Turkish Journal of Physics","volume":null,"pages":null},"PeriodicalIF":2.1,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42017497","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
Self-consistent Markovian embedding of generalized Langevin equations with configuration-dependent mass and a nonlinear friction kernel 具有配置相关质量和非线性摩擦核的广义Langevin方程的自洽Markovian嵌入
IF 2.1
Turkish Journal of Physics Pub Date : 2022-01-01 DOI: 10.55730/1300-0101.2726
Cihan Ayaz, L. Tepper, R. Netz
{"title":"Self-consistent Markovian embedding of generalized Langevin equations with configuration-dependent mass and a nonlinear friction kernel","authors":"Cihan Ayaz, L. Tepper, R. Netz","doi":"10.55730/1300-0101.2726","DOIUrl":"https://doi.org/10.55730/1300-0101.2726","url":null,"abstract":"","PeriodicalId":46003,"journal":{"name":"Turkish Journal of Physics","volume":null,"pages":null},"PeriodicalIF":2.1,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46215048","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
Scattering of kinks in noncanonical sine-Gordon Model 非正则sine-Gordon模型中扭结的散射
IF 2.1
Turkish Journal of Physics Pub Date : 2021-11-01 DOI: 10.3906/fiz-2201-1
I. Takyi, B. Barnes, H. M. Tornyeviadzi, J. Ackora-Prah
{"title":"Scattering of kinks in noncanonical sine-Gordon Model","authors":"I. Takyi, B. Barnes, H. M. Tornyeviadzi, J. Ackora-Prah","doi":"10.3906/fiz-2201-1","DOIUrl":"https://doi.org/10.3906/fiz-2201-1","url":null,"abstract":"In this paper, we numerically study the scattering of kinks in the noncanonical sine-Gordon model using Fourier spectral methods. The model depends on two free parameters, which control the localized inner structure in the energy density and the characteristics of the scattering potential. It has been conjectured that the kink solutions in the noncanonical model possess inner structures in their energy density, and the presence of these yields bound states and resonance structures for some relative velocities between the kink and the antikink. In the numerical study, we observed that the classical kink mass decreases monotonically as the free parameters vary, and yields bion-formations and long-lived oscillations in the scattering of the kink-antikink system.","PeriodicalId":46003,"journal":{"name":"Turkish Journal of Physics","volume":null,"pages":null},"PeriodicalIF":2.1,"publicationDate":"2021-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46443904","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
Deriving Weak Deflection Angle by Black Holes or Wormholes using Gauss-Bonnet Theorem 利用高斯-博内定理推导黑洞或虫洞的弱偏转角
IF 2.1
Turkish Journal of Physics Pub Date : 2021-10-26 DOI: 10.3906/fiz-2110-16
Yashmitha Kumaran, A. Ovgun
{"title":"Deriving Weak Deflection Angle by Black Holes or Wormholes using Gauss-Bonnet Theorem","authors":"Yashmitha Kumaran, A. Ovgun","doi":"10.3906/fiz-2110-16","DOIUrl":"https://doi.org/10.3906/fiz-2110-16","url":null,"abstract":"In this review, various researches on finding the bending angle of light deflected by a massive gravitating object which regard the Gauss-Bonnet theorem as the premise have been revised. Primarily, the Gibbons and Werner method is studied apropos of the gravitational lensing phenomenon in the weak field limits. Some exclusive instances are deliberated while calculating the deflection angle, beginning with the finite-distance corrections on non-asymptotically flat spacetimes. Effects of plasma medium is then inspected to observe its contribution to the deflection angle. Finally, the Jacobi metric is explored as an alternative method, only to arrive at similar results. All of the cases are probed in three constructs, one as a generic statement of explanation, one for black holes, and one for wormholes, so as to gain a perspective on every kind of influence.","PeriodicalId":46003,"journal":{"name":"Turkish Journal of Physics","volume":null,"pages":null},"PeriodicalIF":2.1,"publicationDate":"2021-10-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46306572","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: 9
Defect studies in strain-relaxed Si$_{1-x}$Ge$_{x}$ alloys 应变松弛Si$ {1-x}$Ge$ {x}$合金的缺陷研究
IF 2.1
Turkish Journal of Physics Pub Date : 2021-10-08 DOI: 10.3906/fiz-1212-1
S. Kalem
{"title":"Defect studies in strain-relaxed Si$_{1-x}$Ge$_{x}$ alloys","authors":"S. Kalem","doi":"10.3906/fiz-1212-1","DOIUrl":"https://doi.org/10.3906/fiz-1212-1","url":null,"abstract":"Raman light scattering, low-temperature photoluminescence, light-scattering tomography, and hydrogenation were used to investigate optical properties of defects in strain-relaxed Si_{1-x}Ge_x (0.05 le x le 0.50) alloys. The photoluminescence emission was characterized by typical zero-phonon, phonon-assisted, and dislocations-related emissions, which are dependent on Ge composition x. However, luminescence spectra exhibited above band-gap features, which are likely associated with the presence of Si-rich regions in the alloys. The results are correlated with light-scattering tomography, revealing the presence of dislocations and Si precipitates. The excess peak at 519 cm^{-1} in Ge-rich samples is supportive of this observation. At low Ge content, a dislocation-related band (D2 line) at 14,204 {AA} dominates D-band emission for x<0.25 while overall D-band emission intensity decreases with x. Hydrogenation was found to enhance D-band emission, indicating a passivation of nonradiative recombination centers inside dislocation cores. Si-Si, Si-Ge, and Ge-Ge phonons (TO, TA, and LA), which are participating in luminescence emission, evolve with increasing Ge content and Ge-Ge and Si-Ge TO lines dominate the Raman spectrum to the detriment of the Si-Si TO phonon line. Raman spectra reveal the presence of alloy fluctuations and possible presence of Ge particles, particularly in Ge-rich samples.","PeriodicalId":46003,"journal":{"name":"Turkish Journal of Physics","volume":null,"pages":null},"PeriodicalIF":2.1,"publicationDate":"2021-10-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.3906/fiz-1212-1","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46615019","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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