Pub Date : 1900-01-01DOI: 10.5958/2320-3218.2015.00007.x
A.K. Gupta, L. K. Jha
Electron impact double ionization cross-sections of Oxygen atom have been calculated using BEA. The theoretical data are compared with the experimental results. In case of Oxygen atom the electron impact double ionization cross-sections are calculated in the energy range 90–2000 eV. The theoretical results of the electron impact double ionization crosssections of Oxygen atom are in good agreement with experiment throughout the calculated impact energies. In the case of oxygen, experimental observations do not indicate any contributions from alternative channels (e.g. excitation auto-ionization, Auger emission) leading to the double ionization.
{"title":"Electron impact double ionization of oxygen atoms using Bea Methods","authors":"A.K. Gupta, L. K. Jha","doi":"10.5958/2320-3218.2015.00007.x","DOIUrl":"https://doi.org/10.5958/2320-3218.2015.00007.x","url":null,"abstract":"Electron impact double ionization cross-sections of Oxygen atom have been calculated using BEA. The theoretical data are compared with the experimental results. In case of Oxygen atom the electron impact double ionization cross-sections are calculated in the energy range 90–2000 eV. The theoretical results of the electron impact double ionization crosssections of Oxygen atom are in good agreement with experiment throughout the calculated impact energies. In the case of oxygen, experimental observations do not indicate any contributions from alternative channels (e.g. excitation auto-ionization, Auger emission) leading to the double ionization.","PeriodicalId":445078,"journal":{"name":"Bulletin of Pure & Applied Sciences- Physics","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126092793","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}
Pub Date : 1900-01-01DOI: 10.5958/2320-3218.2014.00004.9
Minakshi, Pankaj Modi, S. Singh, Sushil Kumar, S. Shastri
We have calculated transmission probability of electrons injected via quantum point contacts into a two dimensional electron gas exposed to a small magnetic field. We have numerically solved the time-independent Schrodinger equation for a static magnetic field. Using the Green's function method with Dirichlet's boundary conditions it was possible to evaluate the wave function for a line at any distance from the injector. The extracted dimensions and amplitudes of the scattering centres correspond well with estimations from the first principle calculations on the correlation of remote donors in size and strength. From these results the information about the size, the energetic height of scattering potential was observed.
{"title":"Transmission probability of electrons traversing two dimensional electron gas","authors":"Minakshi, Pankaj Modi, S. Singh, Sushil Kumar, S. Shastri","doi":"10.5958/2320-3218.2014.00004.9","DOIUrl":"https://doi.org/10.5958/2320-3218.2014.00004.9","url":null,"abstract":"We have calculated transmission probability of electrons injected via quantum point contacts into a two dimensional electron gas exposed to a small magnetic field. We have numerically solved the time-independent Schrodinger equation for a static magnetic field. Using the Green's function method with Dirichlet's boundary conditions it was possible to evaluate the wave function for a line at any distance from the injector. The extracted dimensions and amplitudes of the scattering centres correspond well with estimations from the first principle calculations on the correlation of remote donors in size and strength. From these results the information about the size, the energetic height of scattering potential was observed.","PeriodicalId":445078,"journal":{"name":"Bulletin of Pure & Applied Sciences- Physics","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123230118","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}
Pub Date : 1900-01-01DOI: 10.5958/2320-3218.2015.00010.x
K. Hemalatha, H. Somashekarappa, R. Urs, V. Annadurai, R. Somashekar
Several varieties of silk fibers, all belonging to Bombyx Mori family, were investigated for the microstructural changes when dyed using X-ray diffraction method. The variation of these parameters indicates that there is degradation of fibers due to dying. These changes in fibers occur due to fragility of hydrogen bonds, which are perpendicular to the fiber axis, in the β-pleated sheets.
{"title":"Variation of Profile Parameters in Dyed Silk Fibers","authors":"K. Hemalatha, H. Somashekarappa, R. Urs, V. Annadurai, R. Somashekar","doi":"10.5958/2320-3218.2015.00010.x","DOIUrl":"https://doi.org/10.5958/2320-3218.2015.00010.x","url":null,"abstract":"Several varieties of silk fibers, all belonging to Bombyx Mori family, were investigated for the microstructural changes when dyed using X-ray diffraction method. The variation of these parameters indicates that there is degradation of fibers due to dying. These changes in fibers occur due to fragility of hydrogen bonds, which are perpendicular to the fiber axis, in the β-pleated sheets.","PeriodicalId":445078,"journal":{"name":"Bulletin of Pure & Applied Sciences- Physics","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128350321","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}
Pub Date : 1900-01-01DOI: 10.5958/2320-3218.2017.00005.7
I. Singh
{"title":"Shielded Composite Dielectric Spherical Shell Resonator with a Concentric Metal Sphere at the Centre","authors":"I. Singh","doi":"10.5958/2320-3218.2017.00005.7","DOIUrl":"https://doi.org/10.5958/2320-3218.2017.00005.7","url":null,"abstract":"","PeriodicalId":445078,"journal":{"name":"Bulletin of Pure & Applied Sciences- Physics","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124752476","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}
Pub Date : 1900-01-01DOI: 10.5958/2320-3218.2019.00003.4
N. Kumari, S. Mishra
{"title":"Lattice Dynamics of Silicon","authors":"N. Kumari, S. Mishra","doi":"10.5958/2320-3218.2019.00003.4","DOIUrl":"https://doi.org/10.5958/2320-3218.2019.00003.4","url":null,"abstract":"","PeriodicalId":445078,"journal":{"name":"Bulletin of Pure & Applied Sciences- Physics","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130544811","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}
Pub Date : 1900-01-01DOI: 10.5958/2320-3218.2021.00010.5
Prakash Kumar, Devendra Singh
{"title":"The Role of Cosmic Rays in the Modulation of Lower Atmosphere Temperature","authors":"Prakash Kumar, Devendra Singh","doi":"10.5958/2320-3218.2021.00010.5","DOIUrl":"https://doi.org/10.5958/2320-3218.2021.00010.5","url":null,"abstract":"","PeriodicalId":445078,"journal":{"name":"Bulletin of Pure & Applied Sciences- Physics","volume":"100 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115969352","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}
Pub Date : 1900-01-01DOI: 10.5958/2320-3218.2018.00005.2
Sukhdeo Singh, P. Choudhary
{"title":"Symmetry Breaking in One Dimensional Directional Phtonic Crystal Wave Guide","authors":"Sukhdeo Singh, P. Choudhary","doi":"10.5958/2320-3218.2018.00005.2","DOIUrl":"https://doi.org/10.5958/2320-3218.2018.00005.2","url":null,"abstract":"","PeriodicalId":445078,"journal":{"name":"Bulletin of Pure & Applied Sciences- Physics","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132027065","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}
Pub Date : 1900-01-01DOI: 10.5958/2320-3218.2020.00021.4
Mohammad Javanshiry
{"title":"An ambiguity in the relativistic dynamics and electromagnetism regarding force transformation","authors":"Mohammad Javanshiry","doi":"10.5958/2320-3218.2020.00021.4","DOIUrl":"https://doi.org/10.5958/2320-3218.2020.00021.4","url":null,"abstract":"","PeriodicalId":445078,"journal":{"name":"Bulletin of Pure & Applied Sciences- Physics","volume":"236 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134253276","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}
Pub Date : 1900-01-01DOI: 10.5958/2320-3218.2018.00008.8
S. Kumari, Dipo Mahto, Keshari Kumar Singh
{"title":"Relativistic study of the recoil energy of photon due to nuclear and atomic transition in mossbauer effect","authors":"S. Kumari, Dipo Mahto, Keshari Kumar Singh","doi":"10.5958/2320-3218.2018.00008.8","DOIUrl":"https://doi.org/10.5958/2320-3218.2018.00008.8","url":null,"abstract":"","PeriodicalId":445078,"journal":{"name":"Bulletin of Pure & Applied Sciences- Physics","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131707211","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}
Pub Date : 1900-01-01DOI: 10.5958/2320-3218.2019.00009.5
Rambha Kumari, Ashok Kumar
{"title":"Kondo Box Effects by Varying Coupling between Dots and Chain","authors":"Rambha Kumari, Ashok Kumar","doi":"10.5958/2320-3218.2019.00009.5","DOIUrl":"https://doi.org/10.5958/2320-3218.2019.00009.5","url":null,"abstract":"","PeriodicalId":445078,"journal":{"name":"Bulletin of Pure & Applied Sciences- Physics","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128889277","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}
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