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Modified Atomic Orbital Calculations of Energy and Width of the 2pns 1P(^circ) and 2pnd1P(^circ) Rydbergs Series of Be-like N(^{3+}), O(^{4+}), F(^{5+}) and Ne(^{6+}) Ions 类be N (^{3+}), O (^{4+}), F (^{5+})和Ne (^{6+})离子的2pns 1P (^circ)和2pnd1P (^circ) Rydbergs系能量和宽度的修正原子轨道计算
Journal of Atomic, Molecular, Condensate and Nano Physics Pub Date : 2018-12-30 DOI: 10.26713/JAMCNP.V5I3.1111
A. Diallo, Mamadou Diouldé Ba, J. K. Badiane, M. T. Gning, M. Sow, I. Sakho
{"title":"Modified Atomic Orbital Calculations of Energy and Width of the 2pns 1P(^circ) and 2pnd1P(^circ) Rydbergs Series of Be-like N(^{3+}), O(^{4+}), F(^{5+}) and Ne(^{6+}) Ions","authors":"A. Diallo, Mamadou Diouldé Ba, J. K. Badiane, M. T. Gning, M. Sow, I. Sakho","doi":"10.26713/JAMCNP.V5I3.1111","DOIUrl":"https://doi.org/10.26713/JAMCNP.V5I3.1111","url":null,"abstract":"We report accurate energy resonances and natural widths belonging to the 1s({}^{2 })2s({}^{2}) ({}^{1})S({}_{0 }rightarrow) (2ptextit{nl}) ({}^{1})P({}^circ)  and 1s({}^{2 })2s 2p ({}^{3})P({}_{0 }rightarrow) 1s({}^{2})2p [({}^{2})P({}^circ)] textit{n}p ({}^{3})P transitions in the Photoionization spectra of the Be-like N({}^{3+}), O({}^{4+}), F({}^{5+}) and Ne({}^{6+}) ions. Calculations are performed in the framework of the Modified Orbital Atomic Theory (MAOT). Excellent agreements are obtained with available experimental and theoretical literature data. The present calculations provide benchmark data for the diagnostic and for the modeling of astrophysical and laboratory plasmas.","PeriodicalId":239838,"journal":{"name":"Journal of Atomic, Molecular, Condensate and Nano Physics","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-12-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124033962","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: 2
Electron Acceleration by a Radially Polarized Laser Pulse in an Azimuthal Magnetic Field 方位磁场中径向极化激光脉冲对电子的加速作用
Journal of Atomic, Molecular, Condensate and Nano Physics Pub Date : 2018-08-30 DOI: 10.26713/JAMCNP.V5I2.810
Ravindra Singh, Shiv Shankar Gaur
{"title":"Electron Acceleration by a Radially Polarized Laser Pulse in an Azimuthal Magnetic Field","authors":"Ravindra Singh, Shiv Shankar Gaur","doi":"10.26713/JAMCNP.V5I2.810","DOIUrl":"https://doi.org/10.26713/JAMCNP.V5I2.810","url":null,"abstract":"Laser acceleration by radially polarized laser beams takes advantage of the strong longitudinal electric field component at the beam centre. When the laser field intensity is sufficiently high, it can push electrons initially at rest at the beam waist outside the Rayleigh zone and accelerate them to relativistic velocities along the laser axis. To obtain the best results in terms of electron dynamics and energy estimation, we suggest that the electrons could be accelerated to a very high energy level by the radially polarized laser pulse. The additionally used azimuthal magnetic field helps to retain the electron energy during acceleration. In this paper, we describe the electron energy scales with laser power and we explain how the laser beam parameter and the magnetic field both can be optimized for maximal acceleration.","PeriodicalId":239838,"journal":{"name":"Journal of Atomic, Molecular, Condensate and Nano Physics","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116113103","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
First Spectrum of Tungsten 钨的第一光谱
Journal of Atomic, Molecular, Condensate and Nano Physics Pub Date : 2018-08-30 DOI: 10.26713/JAMCNP.V5I2.753
A. Husain, S. Jabeen, A. Wajid
{"title":"First Spectrum of Tungsten","authors":"A. Husain, S. Jabeen, A. Wajid","doi":"10.26713/JAMCNP.V5I2.753","DOIUrl":"https://doi.org/10.26713/JAMCNP.V5I2.753","url":null,"abstract":"The spectroscopic data of tungsten (W) is important for plasma science, as it is used as a diverter and in ITER. We have recorded the spectrum of tungsten on a 1.5-m Wadsworth spectrograph in the 2100--4900 A wavelength range. The ground configuration of the neutral tungsten is 5d({}^{4})6s({}^{2}). First excited configurations in the odd parity system are 5d({}^{3})6s({}^{2 })(6p + 7p + 5f + 6f) + 5d({}^{4})6s6p. The 5d({}^{4})6s6p configuration has already been studied. We have identified hundreds of lines in this spectrum and confirmed fifty nine levels of the 5d({}^{4})6s6p configuration. Relativistic Hartree-Fock (HFR) and least squares fitted (LSF) parametric calculations were carried out to interpret the observed spectrum. We have found good agreement with the previously published data.","PeriodicalId":239838,"journal":{"name":"Journal of Atomic, Molecular, Condensate and Nano Physics","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121420775","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
Conundrum in Measured Electron Affinities of Complex Heavy Atoms 复杂重原子电子亲和力测量中的难题
Journal of Atomic, Molecular, Condensate and Nano Physics Pub Date : 2018-08-30 DOI: 10.26713/JAMCNP.V5I2.1093
Z. Felfli, A. Msezane
{"title":"Conundrum in Measured Electron Affinities of Complex Heavy Atoms","authors":"Z. Felfli, A. Msezane","doi":"10.26713/JAMCNP.V5I2.1093","DOIUrl":"https://doi.org/10.26713/JAMCNP.V5I2.1093","url":null,"abstract":"Low-energy electron scattering from the lanthanide atoms Eu, Tb, Tm, Gd, and Nd including Nb is investigated through calculated electron elastic total cross sections using our robust Regge-pole methodology. The extracted binding energies of the resultant ground and metastable anions formed during the collisions are contrasted with the measured electron affinities (EAs). It is concluded that the measured EAs for these atoms require reinterpretation and new recommended values are presented.","PeriodicalId":239838,"journal":{"name":"Journal of Atomic, Molecular, Condensate and Nano Physics","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133359245","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: 6
Conducting Polymers: Concepts and Applications 导电聚合物:概念和应用
Journal of Atomic, Molecular, Condensate and Nano Physics Pub Date : 2018-08-30 DOI: 10.26713/JAMCNP.V5I2.842
A. Mishra
{"title":"Conducting Polymers: Concepts and Applications","authors":"A. Mishra","doi":"10.26713/JAMCNP.V5I2.842","DOIUrl":"https://doi.org/10.26713/JAMCNP.V5I2.842","url":null,"abstract":"The developments in the field of electrically conducting polymers have grown very rapidly since the discovery and there is a very sharp increase in conductivity when intrinsically insulating organic conjugated polymers are doped with oxidizing and reducing agents. An overview of technological developments involving conducting polymers clearly indicates that the field expands at unprecedented rates. The manuscript first introduces the conducting polymers (CPs), conducting mechanism, concepts of doing and briefly introduces main applications. Different types of CPs, their unique properties and synthesis is discussed. The present review will help the effective implementation of conducting polymers in different fields, which directly depends on the degree of understanding of their behaviour and properties.","PeriodicalId":239838,"journal":{"name":"Journal of Atomic, Molecular, Condensate and Nano Physics","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117242837","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: 51
Excitation of a Gould-Trivelpiece (TG) Mode by Relativistic Electron Beam (REB) in Magnetized Dusty Plasma 磁化尘埃等离子体中相对论电子束对Gould-Trivelpiece (TG)模式的激发
Journal of Atomic, Molecular, Condensate and Nano Physics Pub Date : 2018-08-30 DOI: 10.26713/JAMCNP.V5I2.922
D. Kaur, Suresh C. Sharma, R. Pandey
{"title":"Excitation of a Gould-Trivelpiece (TG) Mode by Relativistic Electron Beam (REB) in Magnetized Dusty Plasma","authors":"D. Kaur, Suresh C. Sharma, R. Pandey","doi":"10.26713/JAMCNP.V5I2.922","DOIUrl":"https://doi.org/10.26713/JAMCNP.V5I2.922","url":null,"abstract":"Gould-Trivelpiece (TG) mode is excited by a relativistic electron beam (REB) via  Cerenkov interaction in a magnetized dusty plasma and dusty plasma cylinder. The unstable wave's frequency increases with relative density of negatively charged dust grains (delta) ((=n_{i0}/n_{e0})), where (n_{i0}) is the equilibrium ion density, (n_{e0}) is the equilibrium electron density, respectively) in both infinite and finite geometry. The growth rate of the unstable mode increases with beam density and scales as one third power of beam density in both the cases. In addition, the growth rate of the unstable mode decreases with relativistic gamma factor. Moreover, comparison between the infinite and finite geometry indicates that the unstable mode's growth rate is more in case of infinite geometry than that of the finite geometry. Our theoretical results are in line  with some of the experimental observations and theoretical findings of previous investigations.","PeriodicalId":239838,"journal":{"name":"Journal of Atomic, Molecular, Condensate and Nano Physics","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117152620","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
Electron Energy Enhancement by Comparison of Linearly and Circularly Polarized Laser Pulse in Vacuum Using Different Values of Magnetic Fields 不同磁场值对真空中线偏振和圆偏振激光脉冲电子能量增强的影响
Journal of Atomic, Molecular, Condensate and Nano Physics Pub Date : 2018-08-30 DOI: 10.26713/JAMCNP.V5I2.914
Ravindra Singh
{"title":"Electron Energy Enhancement by Comparison of Linearly and Circularly Polarized Laser Pulse in Vacuum Using Different Values of Magnetic Fields","authors":"Ravindra Singh","doi":"10.26713/JAMCNP.V5I2.914","DOIUrl":"https://doi.org/10.26713/JAMCNP.V5I2.914","url":null,"abstract":"Energy enhancement by a comparison of circularly and linearly polarized laser pulse during acceleration of the electrons by a Gaussian laser pulses has been investigated. On comparison these two it is found that for the linearly polarized laser pulse the y-coordinate has a finite value and approximately zero for a circularly polarized laser pulse. It is noticed that there is a advantage of circularly polarized field. The comparison is done at high values of the magnetic field. The variation of electron energy with laser spot size, laser intensity, initial electron energy and initial phase has been studied. The maximum energy of the electrons gets enhanced for a circularly polarized in comparison to a linearly polarized laser pulse due to axial symmetry of the circularly polarized pulse. The ycomponent of the electric field of circularly polarized laser pulse contributes to the higher energy gained by the electrons.","PeriodicalId":239838,"journal":{"name":"Journal of Atomic, Molecular, Condensate and Nano Physics","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115257031","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
Molecular Structure Investigation, Spectroscopic Characterization, UV Spectral Analysis and Optical Band Gap Determination of (2E)-3-(3-Bromo- 4methoxyphenyl)-1-(pyridin-2-yl) prop-2-en-1-one A Food Preservative Chalcone (2E)-3-(3-溴- 4甲氧基苯基)-1-(吡啶-2-基)pro2 -en-1-one - A食品防腐剂查尔酮的分子结构研究、光谱表征、紫外光谱分析及光学带隙测定
Journal of Atomic, Molecular, Condensate and Nano Physics Pub Date : 2018-08-30 DOI: 10.26713/JAMCNP.V5I2.979
Y. P. Rachelin, C. James
{"title":"Molecular Structure Investigation, Spectroscopic Characterization, UV Spectral Analysis and Optical Band Gap Determination of (2E)-3-(3-Bromo- 4methoxyphenyl)-1-(pyridin-2-yl) prop-2-en-1-one A Food Preservative Chalcone","authors":"Y. P. Rachelin, C. James","doi":"10.26713/JAMCNP.V5I2.979","DOIUrl":"https://doi.org/10.26713/JAMCNP.V5I2.979","url":null,"abstract":"FT-IR and FT-Raman spectra of food preservative molecule (2E)-3-(3-Bromo-4methoxyphenyl)-1-(pyridin-2-yl) prop-2-en-1-one (PYR) were recorded and analyzed. The equilibrium geometry, various bonding and harmonic vibrational wave numbers have been calculated with the help of density functional theory (DFT) method. The assignments of the vibrational spectra have been carried out with the help of Normal coordinate analysis (NCA) following the scaled quantum chemical force field (SQMF) methodology. The natural bond orbital (NBO) analysis was carried out to reveal the nature of different interactions responsible for the electron delocalization and the charge transfer between the orbital's ((n)-(pi^*), (n)-(sigma^*), (pi)-(pi^*)). Blue shifting of (36 cm({}^{-1})) C-H stretching mode provides the spectral evidence for the intermolecular interactions of C-H...Br. The optical transmittance provides a way to find the band gap which is determined using Taue plot.","PeriodicalId":239838,"journal":{"name":"Journal of Atomic, Molecular, Condensate and Nano Physics","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121784147","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
(Ps^−) and (H^+_2) Ions under Spatial Confinement (Ps^−) 和(H^+_2)空间约束下的离子
Journal of Atomic, Molecular, Condensate and Nano Physics Pub Date : 2018-06-18 DOI: 10.26713/JAMCNP.V5I1.785
R. Chandra, J. Saha, S. Bhattacharyya, T. K. Mukherjee
{"title":"(Ps^−) and (H^+_2) Ions under Spatial Confinement","authors":"R. Chandra, J. Saha, S. Bhattacharyya, T. K. Mukherjee","doi":"10.26713/JAMCNP.V5I1.785","DOIUrl":"https://doi.org/10.26713/JAMCNP.V5I1.785","url":null,"abstract":"The ground state energy eigenvalues of the spatially confined symmetric three-body exotic ions (Ps^-) and (H^+_2) have been determined under the framework of Rayleigh-Ritz variational method. The spatial confinement is simulated by considering an impenetrable spherical box of varying radius around the ion. The electron-electron correlation in (Ps^-)  and the protonproton correlation in (H_+^2) are properly taken care of by expanding the trial wavefunction in explicitly correlated Hylleraas type basis set. The critical radius and the corresponding critical pressure, at which the respective ions destabilize are also reported.","PeriodicalId":239838,"journal":{"name":"Journal of Atomic, Molecular, Condensate and Nano Physics","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134577197","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
Model Potential Approach for Positronium Impact Ionization of Alkali Atoms 碱原子正电子碰撞电离的模型电位方法
Journal of Atomic, Molecular, Condensate and Nano Physics Pub Date : 2018-06-18 DOI: 10.26713/jamcnp.v5i1.784
D. Ghosh
{"title":"Model Potential Approach for Positronium Impact Ionization of Alkali Atoms","authors":"D. Ghosh","doi":"10.26713/jamcnp.v5i1.784","DOIUrl":"https://doi.org/10.26713/jamcnp.v5i1.784","url":null,"abstract":"Positronium impact target ionization processes of alkali atoms are investigated in the frame work of model potential formalism and using the Coulomb distorted eikonal approximation. Alkali atoms are visualised as one electron species and to take the effect of the core electrons, the valence electron is assumed to move in the field of a model potential. Interesting qualitative features are noted both in the ejected electron and scattered Ps distributions in triple differential as well as double differential levels of the collision cross sections.","PeriodicalId":239838,"journal":{"name":"Journal of Atomic, Molecular, Condensate and Nano Physics","volume":"100 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132410966","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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