charge in an electric field

... length, and the sine of the angle lying between the filament and a line connecting the filament to the point P at which the field is desired; also, the magnitude of the magnetic field intensity is inversely ... the electric field about an infinite line charge shows that the streamlines of the magnetic field correspond exactly to the equipotentials of the electric field, and the unnamed (and undrawn) ... examples, including the fields of the point charge, line charge, and sheet of charge The law of Biot-Savart can be used to solve analogous problems in magnetic fields, and some of these problems...

Ngày tải lên: 07/08/2014, 20:23

... h 140 160 Nanoscale Res Lett (2009) 4:588–591 values varying in time in a random way, and as a result, a fluctuating component arises in Htot acting on the electron spin The fluctuating component ... fluctuating exchange field corresponding to the exchange splitting Dex can be written as hex = Dex/lBg [16] The magnitude and direction of the exchange field are determined by the state of the hole spin, ... values of and for the states |?3/2i and |-3/2i, respectively [18, 19] When the hole spin is relaxed, the coefficients acquire random values, and the mean value of hex vanishes, with its instantaneous...

Ngày tải lên: 22/06/2014, 00:20

... quantization direction is in z direction and only consider intersubband transitions (n = n ) and intrasubband transitions (n=n’) We consider a compositional superlattice with a magnetic field applied perpendicular ... Hamiltonian of the confined electron optical phonon system in a compositional superlattice in the presence of an external magnetic field B in the second quantization representation can be written ... quantum number characterizing confined phonons, L is well’s width, χ∞ and χ0 are the static and the high-frequency dielectric constant, respectively The electron form factor in case of confined...

Ngày tải lên: 31/10/2015, 10:40

... similar to the surrounding bone tissue in test and control groups, showing the presence of a first intention healing process as stated by Lane and Danis (apud Christian) [14] In the test group, however, ... placing up the north and south poles of the distal and proximal washers In control animals, surgery included non-magnetized instruments, washers and screws The placement and stability of implants ... procedures and observation of animal bioethics guidelines; reviewed and contributed to the writing of all iterations of the paper, including the final version of the manuscript JJCF participated in the...

Ngày tải lên: 11/08/2014, 23:22

... experimentally in bismuth [11] In past times, there are more and more interests in studying and discovering this effect in a bulk monopolar semiconductor [12], in a bulk semiconductor n-InSb [13] In this ... think the research of this effect may help us to understand the properties of quantum wire material We have obtained the AME current I in the RQW with an infinite potential in the presence of an ... temperature T of the RQW increases IV CONCLUSION In this paper, we have analytically investigated the possibility of the AME effect in the RQW with an infinite potential We have obtained analytically expressions...

Ngày tải lên: 30/10/2015, 20:58

Ngày tải lên: 13/02/2014, 12:20

... and only if x1 = • and xn = ◦ and l = m + if and only if x1 = ◦ and xn = • We have four cases, depending on x1 and xn Assume x1 = ◦ and xn = •, the remaining cases being analogous Equation (28) ... arXiv:cond-mat/9910242 [3] P Biane, Permutations suivant le type d’exc`dance et le nombre d’inversions et ine terpr`tation combinatoire d’une fraction continue de Heine, European J Combin 14, e no 4, 277–284 ... = (0, 0) and = (n, 0) A bicoloured Motzkin path is a Motzkin path in which each east step is labelled by one of two colours, and generalised bicoloured Motzkin path is a Motzkin path in which...

Ngày tải lên: 07/08/2014, 13:21

... contributions to interpretation of findings, writing, and in providing critical commentary JL participated in designing the study, securing grant funding, participated in all team meetings providing critical ... the field of EBM growing and drawing from the fields of technology transfer, knowledge utilization, and innovation diffusion Terminology, even in this subfield and within the health disciplines, ... transfer Allen Federal Insurance Corporation Mahajan Mansfield Vernon Allen Bass Jensen Mahajan Mansfield Nelson Reinganum Rosenberg Sharif Teece Allen Mansfield Mahajan Nelson Rosenberg Eddy...

Ngày tải lên: 11/08/2014, 05:21

... contributions to interpretation of findings, writing, and in providing critical commentary JL participated in designing the study, securing grant funding, participated in all team meetings providing critical ... the field of EBM growing and drawing from the fields of technology transfer, knowledge utilization, and innovation diffusion Terminology, even in this subfield and within the health disciplines, ... transfer Allen Federal Insurance Corporation Mahajan Mansfield Vernon Allen Bass Jensen Mahajan Mansfield Nelson Reinganum Rosenberg Sharif Teece Allen Mansfield Mahajan Nelson Rosenberg Eddy...

Ngày tải lên: 11/08/2014, 16:21

... Tom Haines for serving on my committee and making helpful suggestions I would like to thank my friends Corey Gonzalez, Angela Desai, Kate and Chris Truman, Tina Horvath, Dave Saranchak, Susan Schmoyer, ... Ben Howard, Andie Hodge, Chris Zorn, Eric Errthum, James Crispino, Pol Tangboondouangjit, Suzanne Sindi, and Sarah Brown Lastly, and most importantly, I would like to thank my family and friends ... used in Example One and obtain a set of extensions containing exactly one of the candidates This candidate would be G Unfortunately, we obtain a set of extension groups that contains both candidates...

Ngày tải lên: 13/11/2014, 09:08

... worth noting that the |2 ↔ |− transition contains two turning points in its dependence on the magnetic field and the |2 ↔ |+ transition contains one The |− state containing two turning points is ... nucleus can then be treated as a massive point charge that possesses intrinsic spin angular momentum I This intrinsic nuclear spin generates an electro-magnetic field, which couples to the orbiting ... first post-doc, for coming into the lab and providing that extra manpower to keep the project moving He was instrumental in helping with data taking and preparing the manuscripts for the octupole...

Ngày tải lên: 09/09/2015, 11:20

... with the points indicated by arrows in Figure 5(a) and Figure 5(b) are shown in Figure In Figure 6(a) the wavefunction shows the overlap between states localized in both the kink and antikink, for ... response can be configurable, by controlling the gate voltages As shown by our numerical results, the influence of the magnetic field can be strikingly distinct for single and double kinks Model ... ky = ky l and (b,d) the external magnetic field B0 The inset in (a) shows the wavespinors for kyl = proximity of an antikink induces a strong dependence of the states on the external field The...

Ngày tải lên: 21/06/2014, 02:20

... University, Nanjing 210096, PR China 2Jiangsu Key Laboratory of Biomaterials and Devices, Southeast University, Nanjing 210096, PR China 3Center of Materials Analysis, Nanjing University, Nanjing, 210093, ... external field is low enough, the field will be incapable of inducing the assembly of magnetic Figure SEM images of DMSA-coated g-Fe2O3 nanoparticles after solvent drying In the presence of alternating ... field Angew Chem Int Ed 2007, 46:4767-4770 Zhang WX, Sun JF, Bai TT, Wang CY, Zhuang KH, Zhang Y, Gu N: Quasione-dimensional assembly of magnetic nanoparticles induced by a 50Hz alternating magnetic...

Ngày tải lên: 21/06/2014, 02:20

... calculated in the lowest Landau level approximation (solid lines), with taking into account mixing between (short dash lines) and (long dash lines) Landau levels of electron and hole, and with taking into ... simultaneous translation in space and gauge transformation, preserving invariance of Hamiltonian of charged particles in magnetic field [42] The magnetic momentum commutes with both the noninteracting ... (both with and without taking into account Landau level mixing) In the present article, we consider magnetoexcitons and magnetoplasmons with taking into account Landau level mixing and show how...

Ngày tải lên: 22/06/2014, 00:20

... 47(4):392-396 Babincova M, Altanerova V, Altaner C, Cicmanec P, Babinec P: In vivo heating of magnetic nanoparticles in alternating magnetic field Med Phys 2004, 31(8):2219-2221 Wang J, Zhang K, Zhu ... 24 25 26 27 28 Plank C, Scherer F, Schillinger U, Bergemann C, Anton M: Magnetofection: enhancing and targeting gene delivery with superparamagnetic nanoparticles and magnetic fields J Liposome ... of the experiments and data analysis YZ and XG coordinated some experiments BK, RDK, XG, RLD and KJD helped in drafting the manuscript All authors read and approved the final manuscript 18 19 Acknowledgements...

Ngày tải lên: 11/08/2014, 00:22

... were anesthetized by intramuscular injection of ketamine and xylazine at 0.1 ml/kg and 1.0 ml/kg body weight, respectively, and local infiltration of 3% prilocaine with felypressin After reaching ... important clinical advancement, particularly in Oral and Maxillofacial Surgery, Osteointegrade Implants and Orthopedics Methods This randomized experimental study, aiming to evaluate the influence ... activity is observed, beginning in the marrow and reorganizing the medullary canal (HE, 40×) bordering the site of the bone graft, by commercially pure titanium screws used in the experiments The...

Ngày tải lên: 11/08/2014, 20:20

... (4) and the procedures as in the works [9-14], we obtain the quantum kinetic equation for electrons in the single (constant) scattering time approximation Then utilizing the similar way as in ... the HC on the external fields, including the EMW It is obtained for arbitrary values of the indices N ′ and N We can see that the analytical result appears very involved In the next section, we ... carriers In [11, 12], the magnetoresistance was derived in the presence of a strong EMW (laser field) for two cases: the magnetic field and the electric field of the EMW are perpendicular [11], and...

Ngày tải lên: 31/10/2015, 10:41

... an acoustic phonon; φ(q) is the scalar potential of a − → crossed electric field E1 ; CN,N (q) is the electron-phonon interaction constant From the quantum kinetic equation for electron in single ... external fields, including the EMW In the next section, we will give a deeper insight into this dependence by carrying out a numerical evaluation III NUMERICAL RESULTS AND DISCUSSION In order ... /2), (3) with Hm (z) being the Hermite polynomial of mth order In the presence of an EMW with → − − → electric field vector E = E0 sin Ωt (where E0 and Ω are the amplitude and the frequency of...

Ngày tải lên: 31/10/2015, 10:43

... b, and d be the angular distances between points and A, B, and D the angles as indicated in Figure 3.15 The cosine rule for a and A is: cos a = cos b cos d + sin b sin d cos A (3.81) and the sine ... deposition can be determined accurately There are, however, several complications, for instance, the change in any lineation direction due to compaction may result in an underestimation if the inclination ... Presentation of inclination and declination The angular information can be used in two ways • Bauer plots: these are plots (named after Bauer) of the angle of inclination vs declination We have...

Ngày tải lên: 04/12/2015, 00:25