DIFFUSION IN SOLIDS
... If the ratio DAB/DK is small, then the ordinary diffusion is the rate determinig step. Conversely, if DAB/DK is large, it is presumed that Knudsen diffusion controls. ...
... If the ratio DAB/DK is small, then the ordinary diffusion is the rate determinig step. Conversely, if DAB/DK is large, it is presumed that Knudsen diffusion controls. ...
Chemistry
... superconductors. Electricity is carried by copper cables, which are not perfect conductors. Consequently, about 20 percent of electrical energy is lost in the form of heat between the power station and our homes. This is a tremendous waste. Superconductors are materials that have no electrical resis ...
... superconductors. Electricity is carried by copper cables, which are not perfect conductors. Consequently, about 20 percent of electrical energy is lost in the form of heat between the power station and our homes. This is a tremendous waste. Superconductors are materials that have no electrical resis ...
Nonlinear effects at the Fermilab Recycler e
... Fast coherent instability of horizontal betatron oscillations of bunched proton beam was observed in the Fermilab Recycler since 2014 as it is described in Ref. [1]. It has been shown in this paper that the instability is caused by electron cloud which arises at ionization of residual gas by protons ...
... Fast coherent instability of horizontal betatron oscillations of bunched proton beam was observed in the Fermilab Recycler since 2014 as it is described in Ref. [1]. It has been shown in this paper that the instability is caused by electron cloud which arises at ionization of residual gas by protons ...
A particle simulation of current sheet instabilities under finite guide
... dynamics, while ions obey the fully kinetic 共FK兲 Vlasov equation. The microscopic physics and the global Alfvén scale dynamics in magnetic reconnection can be solved simultaneously with a realistic mi / me ratio. Note that the relevant electromagnetic compressional waves are fully covered in our mod ...
... dynamics, while ions obey the fully kinetic 共FK兲 Vlasov equation. The microscopic physics and the global Alfvén scale dynamics in magnetic reconnection can be solved simultaneously with a realistic mi / me ratio. Note that the relevant electromagnetic compressional waves are fully covered in our mod ...
Abstract Book
... The first NCTP was organized in Da Lat in August 1976. Since then, the NCTP has been an annual activity of the Vietnamese Theoretical Physics Society (VTPS), and has become the most well-known scientific forum dedicated to the dissemination of the latest developments in the field of theoretical phys ...
... The first NCTP was organized in Da Lat in August 1976. Since then, the NCTP has been an annual activity of the Vietnamese Theoretical Physics Society (VTPS), and has become the most well-known scientific forum dedicated to the dissemination of the latest developments in the field of theoretical phys ...
Electron Band Alignment at Interfaces of Semiconductors with
... requirements for the future generations of these electronic devices in terms of specific capacitance, gate leakage current, and carrier mobility in semiconductor channel, the search for suitable semiconductors and insulators capable of replacing the traditionally used Si/SiO2 entity leads to combina ...
... requirements for the future generations of these electronic devices in terms of specific capacitance, gate leakage current, and carrier mobility in semiconductor channel, the search for suitable semiconductors and insulators capable of replacing the traditionally used Si/SiO2 entity leads to combina ...
1 B ⋅ − − = uuua 2 A β
... Among many remarkable qualities of graphene, its electronic properties attract particular interest due to a massless chiral character of charge carriers, which leads to such unusual phenomena as metallic conductivity in the limit of no carriers and the half-integer quantum Hall effect (QHE) observab ...
... Among many remarkable qualities of graphene, its electronic properties attract particular interest due to a massless chiral character of charge carriers, which leads to such unusual phenomena as metallic conductivity in the limit of no carriers and the half-integer quantum Hall effect (QHE) observab ...
ON THE RELATIONSHIP BETWEEN EFFECTIVE ELECTRON
... shown that for sufficiently short channel, electron will not attain saturation velocity at the point where it reach drain interface; this is pointed out by two different curves that are depicting extrapolated saturation velocity and terminating velocity at the drain interface. For channel lengths be ...
... shown that for sufficiently short channel, electron will not attain saturation velocity at the point where it reach drain interface; this is pointed out by two different curves that are depicting extrapolated saturation velocity and terminating velocity at the drain interface. For channel lengths be ...
Mathematical Physics of BlackBody Radiation
... problem. If blackbody radiation captured in Planck’s Law of Radiation can be derived by wave mechanics, then a main motivation of particle statistics disappears and a return to rational determinism may be possible. And after all Schrödinger’s equation is a wave equation and Schrödinger firmly beli ...
... problem. If blackbody radiation captured in Planck’s Law of Radiation can be derived by wave mechanics, then a main motivation of particle statistics disappears and a return to rational determinism may be possible. And after all Schrödinger’s equation is a wave equation and Schrödinger firmly beli ...
Microwave Conductivity of Magnetic Field Induced Insulating Phase of Bilayer Hole Systems
... at higher densities if the 2DS is subjected to a strong perpendicular magnetic field. With a perpendicular field, the continuum of energy states of a 2DS becomes a set of highly degenerate Landau levels (LL) at energies En = (n + 1/2)~ωc , where ωc = eB/m∗ . The degeneracy of each LL is (eB/2π~)S, w ...
... at higher densities if the 2DS is subjected to a strong perpendicular magnetic field. With a perpendicular field, the continuum of energy states of a 2DS becomes a set of highly degenerate Landau levels (LL) at energies En = (n + 1/2)~ωc , where ωc = eB/m∗ . The degeneracy of each LL is (eB/2π~)S, w ...
1165 KB - Max-Planck-Institut für Kolloid
... approaching the central vision of the department, an “artificial cell”. It combines almost all aspects of colloids and interfaces. One aspect of a cell is also the formation of particles inside which should be the expansion of the Riegler group now studying crystallization and growth for alcanes at ...
... approaching the central vision of the department, an “artificial cell”. It combines almost all aspects of colloids and interfaces. One aspect of a cell is also the formation of particles inside which should be the expansion of the Riegler group now studying crystallization and growth for alcanes at ...
Order date : 24-07-2010
... 3. A. F. Wells, Structural Inorganic Chemistry, Clarendon Press, Oxford, 1954. 4. A. K. Galway, Chemistry of Solids, Chapman- Hall, London, 1967. 5. M. F. C. Ladd, Structure and Bonding in Solid State Chemistry, Elliz Harwood, Chichester, ...
... 3. A. F. Wells, Structural Inorganic Chemistry, Clarendon Press, Oxford, 1954. 4. A. K. Galway, Chemistry of Solids, Chapman- Hall, London, 1967. 5. M. F. C. Ladd, Structure and Bonding in Solid State Chemistry, Elliz Harwood, Chichester, ...
Spin Interactions Between Conduction Electrons and
... in the development of a method for high-field optically detected nuclear magnetic resonance sensitive to 108 nuclei. This interaction is then used to generate nuclear spin polarization profiles within a single parabolic quantum well; the position of these nanometer-scale sheets of polarized nuclei c ...
... in the development of a method for high-field optically detected nuclear magnetic resonance sensitive to 108 nuclei. This interaction is then used to generate nuclear spin polarization profiles within a single parabolic quantum well; the position of these nanometer-scale sheets of polarized nuclei c ...
Thermally Driven Crossover from Indirect toward Direct Bandgap in
... has never been observed in Ge. This contrast highlights the uniqueness of 2D semiconductors that they support a highefficiency hot PL process. Shown in Figure 4 is the calculated bandgap crossover of few-layer MoSe2 MoS2 as a function of modulation in interlayer distance. Here, the relaxed equilibrium ...
... has never been observed in Ge. This contrast highlights the uniqueness of 2D semiconductors that they support a highefficiency hot PL process. Shown in Figure 4 is the calculated bandgap crossover of few-layer MoSe2 MoS2 as a function of modulation in interlayer distance. Here, the relaxed equilibrium ...
Condensed matter physics
Condensed matter physics is a branch of physics that deals with the physical properties of condensed phases of matter. Condensed matter physicists seek to understand the behavior of these phases by using physical laws. In particular, these include the laws of quantum mechanics, electromagnetism and statistical mechanics.The most familiar condensed phases are solids and liquids, while more exotic condensed phases include the superconducting phase exhibited by certain materials at low temperature, the ferromagnetic and antiferromagnetic phases of spins on atomic lattices, and the Bose–Einstein condensate found in cold atomic systems. The study of condensed matter physics involves measuring various material properties via experimental probes along with using techniques of theoretical physics to develop mathematical models that help in understanding physical behavior.The diversity of systems and phenomena available for study makes condensed matter physics the most active field of contemporary physics: one third of all American physicists identify themselves as condensed matter physicists, and the Division of Condensed Matter Physics is the largest division at the American Physical Society. The field overlaps with chemistry, materials science, and nanotechnology, and relates closely to atomic physics and biophysics. Theoretical condensed matter physics shares important concepts and techniques with theoretical particle and nuclear physics.A variety of topics in physics such as crystallography, metallurgy, elasticity, magnetism, etc., were treated as distinct areas, until the 1940s when they were grouped together as solid state physics. Around the 1960s, the study of physical properties of liquids was added to this list, forming the basis for the new, related specialty of condensed matter physics. According to physicist Phil Anderson, the term was coined by him and Volker Heine when they changed the name of their group at the Cavendish Laboratories, Cambridge from ""Solid state theory"" to ""Theory of Condensed Matter"" in 1967, as they felt it did not exclude their interests in the study of liquids, nuclear matter and so on. Although Anderson and Heine helped popularize the name ""condensed matter"", it had been present in Europe for some years, most prominently in the form of a journal published in English, French, and German by Springer-Verlag titled Physics of Condensed Matter, which was launched in 1963. The funding environment and Cold War politics of the 1960s and 1970s were also factors that lead some physicists to prefer the name ""condensed matter physics"", which emphasized the commonality of scientific problems encountered by physicists working on solids, liquids, plasmas, and other complex matter, over ""solid state physics"", which was often associated with the industrial applications of metals and semiconductors. The Bell Telephone Laboratories was one of the first institutes to conduct a research program in condensed matter physics.References to ""condensed"" state can be traced to earlier sources. For example, in the introduction to his 1947 ""Kinetic theory of liquids"" book, Yakov Frenkel proposed that ""The kinetic theory of liquids must accordingly be developed as a generalization and extension of the kinetic theory of solid bodies"". As a matter of fact, it would be more correct to unify them under the title of ""condensed bodies"".