![Spatiotemporal pattern formation in](http://s1.studyres.com/store/data/023086847_1-81c5964dc0347fc14aedc8e32b33b9ad-300x300.png)
Spatiotemporal pattern formation in
... than predicted (E 0 c ' 21.7E d ), because the transverse modes were considered to be infinitely extended when the stability analysis was performed, whereas we deal with finite Gaussian beam profiles in our simulations. This difference may lead to discrepancies, but the approximation is good as long ...
... than predicted (E 0 c ' 21.7E d ), because the transverse modes were considered to be infinitely extended when the stability analysis was performed, whereas we deal with finite Gaussian beam profiles in our simulations. This difference may lead to discrepancies, but the approximation is good as long ...
Properties of a 4Pi confocal fluorescence microscope
... less than in the case of normal illumination with the first minima at z = +705 nm. However, the lack of a complete spherical wave front and the presence of aplanatic illumination force additional elevations along the optical axis that reach peak values of 0.58. For calculation of the resolution of t ...
... less than in the case of normal illumination with the first minima at z = +705 nm. However, the lack of a complete spherical wave front and the presence of aplanatic illumination force additional elevations along the optical axis that reach peak values of 0.58. For calculation of the resolution of t ...
Low-Energy (20 eV) and High-Energy (1000 eV) Electron
... We report the first infrared study of the low-energy (< 20 eV) electron-induced reactions of condensed methanol. Our goal is to simulate processes which occur when highenergy cosmic rays interact with interstellar and cometary ices, where methanol, a precursor of several prebiotic species, is relati ...
... We report the first infrared study of the low-energy (< 20 eV) electron-induced reactions of condensed methanol. Our goal is to simulate processes which occur when highenergy cosmic rays interact with interstellar and cometary ices, where methanol, a precursor of several prebiotic species, is relati ...
Novel Metrology Techniques Resolve Strong-Field
... the optical field cycle [1]. In case the transient field strength reaches values just below the damage threshold of the material, the polarization response of the excited system depends on the field oscillations of the driving light wave rather than on its envelope. These ultrafast, light-field-driv ...
... the optical field cycle [1]. In case the transient field strength reaches values just below the damage threshold of the material, the polarization response of the excited system depends on the field oscillations of the driving light wave rather than on its envelope. These ultrafast, light-field-driv ...
Aalborg Universitet
... orthogonal modes, and the concept of modes becomes more subtle. In that case, it is convenient to use the electromagnetic fields and generating currents as primary observables represented by operators that are defined by their commutation relations. The relation between field and current operators i ...
... orthogonal modes, and the concept of modes becomes more subtle. In that case, it is convenient to use the electromagnetic fields and generating currents as primary observables represented by operators that are defined by their commutation relations. The relation between field and current operators i ...
isac - titan
... m r0 Square-Wave q<0.712 Stable, q≈0.3 best. The magnitude of V determines the depth of the psuedopotential This determines the traps acceptance, its transfer efficiency and its space-charge limit. Thus, it is desirable to have V as large as possible If V is fixed ω must be able to vary in order to ...
... m r0 Square-Wave q<0.712 Stable, q≈0.3 best. The magnitude of V determines the depth of the psuedopotential This determines the traps acceptance, its transfer efficiency and its space-charge limit. Thus, it is desirable to have V as large as possible If V is fixed ω must be able to vary in order to ...
Real Time Aptamer QD Sensor
... et al., 2008, 2009; Joshi et al., 2009; Dwivedi et al., 2010). Extensive aptamer research, as well as biosensing, diagnostic and clinical applications of aptamers have been recently reviewed (Tombelli and Mascini, 2009; Cho et al., 2009; Sefah et al., 2009). Aptamers are suitable for multiplex analy ...
... et al., 2008, 2009; Joshi et al., 2009; Dwivedi et al., 2010). Extensive aptamer research, as well as biosensing, diagnostic and clinical applications of aptamers have been recently reviewed (Tombelli and Mascini, 2009; Cho et al., 2009; Sefah et al., 2009). Aptamers are suitable for multiplex analy ...
Rotational spectrum of SO3 and theoretical evidence for the
... physically more sound approach where the classical limit is applied to the actual ro-vibrational Hamiltonian (see, for example, Refs. 26, 30, and 31) with the vibrational coordinates optimized by minimizing the classical energy at each orientation of the rotation of the molecule in question. Typical ...
... physically more sound approach where the classical limit is applied to the actual ro-vibrational Hamiltonian (see, for example, Refs. 26, 30, and 31) with the vibrational coordinates optimized by minimizing the classical energy at each orientation of the rotation of the molecule in question. Typical ...
Ultrafast optical spectroscopy of surface
... excitation are shown in Figure 1b and 1c. For Cl-Si QDs, there is only an absorption tail at approximately 400 nm. After surface modification, the absorption value of the Te–Si QDs increases in this range, whereas the Di–Si QDs and Ca–Si QDs also exhibit distinct absorption peaks. Because no absorpt ...
... excitation are shown in Figure 1b and 1c. For Cl-Si QDs, there is only an absorption tail at approximately 400 nm. After surface modification, the absorption value of the Te–Si QDs increases in this range, whereas the Di–Si QDs and Ca–Si QDs also exhibit distinct absorption peaks. Because no absorpt ...
Cooling and Trapping Neutral Atoms W. Ketterle, D. E. Pritchard
... Introduction and overview The observation of Bose-Einstein condensation (BEC) in dilute atomic gases in 1995 was the realization of many long-standing goals: (1) to cool neutral atoms into the ground state of the system, thus exerting ultimate control over the motion and position of atoms limited on ...
... Introduction and overview The observation of Bose-Einstein condensation (BEC) in dilute atomic gases in 1995 was the realization of many long-standing goals: (1) to cool neutral atoms into the ground state of the system, thus exerting ultimate control over the motion and position of atoms limited on ...
Universitat Autonoma de Barcelona Facultat de Ciencies, Departament de F sica
... Research in the eld of quantum information science, which deals with communication and computation incorporating the laws of quantum mechanics, has lead to outstanding and promising discoveries. For instance, it has been shown that quantum cryptography can allow for secure communication using public ...
... Research in the eld of quantum information science, which deals with communication and computation incorporating the laws of quantum mechanics, has lead to outstanding and promising discoveries. For instance, it has been shown that quantum cryptography can allow for secure communication using public ...
Laser pulse trains for controlling excited state - diss.fu
... back signal 18 . This method has been successfully applied to control processes like molecular fragmentation 19,20 , ionization 21–23 or isomerization 24 . However, in this way complex pulse forms are usually obtained and their interpretation is often far from being obvious. Therefore, solely experi ...
... back signal 18 . This method has been successfully applied to control processes like molecular fragmentation 19,20 , ionization 21–23 or isomerization 24 . However, in this way complex pulse forms are usually obtained and their interpretation is often far from being obvious. Therefore, solely experi ...
Photoemission Stuides of a New Topological Insulator Class: Experimental Discovery of the Bi 2 X 3 Topological Insulator Class
... backscatters from an impurity along a clockwise path, it becomes a left-moving spin-↓ electron, picking up a phase of π in the process. Alternatively, a right-moving spin-↑ electron can also pick up a phase of −π, by traveling along a counterclockwise path. The two reflected wavefunctions would then ...
... backscatters from an impurity along a clockwise path, it becomes a left-moving spin-↓ electron, picking up a phase of π in the process. Alternatively, a right-moving spin-↑ electron can also pick up a phase of −π, by traveling along a counterclockwise path. The two reflected wavefunctions would then ...
Analytical strategies for LC-MS-based targeted metabolomics.
... Recent reports have demonstrated that reversed-phase chromatography with an amine ion-pairing agent is a useful method for separation of a broad range of negatively charged metabolites, including nucleotides, sugar phosphates, and carboxylic acids [49–52]. These methods utilize a volatile cationic c ...
... Recent reports have demonstrated that reversed-phase chromatography with an amine ion-pairing agent is a useful method for separation of a broad range of negatively charged metabolites, including nucleotides, sugar phosphates, and carboxylic acids [49–52]. These methods utilize a volatile cationic c ...
Ab-initio Calculations of Photonic Structures
... examples of systems where CMT is being widely and successfully explored include: optical waveguides and cavities, electronic resonant circuits, and coupled mechanical resonances. In this work, we show for the first time that the resonant scattering of freely propagating waves from resonant objects o ...
... examples of systems where CMT is being widely and successfully explored include: optical waveguides and cavities, electronic resonant circuits, and coupled mechanical resonances. In this work, we show for the first time that the resonant scattering of freely propagating waves from resonant objects o ...
Implementation of the SCC-DFTB Method for
... interactions remain with the MM link pair atom. This is achieved by zeroing the charge of this MM atom for the entire duration of the MD simulation such that all other atoms that would normally see this atom’s charge instead see the link atom, which has no van der Waals radius. The link atom positio ...
... interactions remain with the MM link pair atom. This is achieved by zeroing the charge of this MM atom for the entire duration of the MD simulation such that all other atoms that would normally see this atom’s charge instead see the link atom, which has no van der Waals radius. The link atom positio ...
Spectroscopy of Non-Heme Iron Thiolate Complexes: Insight into the
... STO basis set (Basis IV) for the valence levels of all heavy atoms. For geometry optimizations, frozen core levels were used such that only the n valence shell was varied. Single-point calculations at the optimized geometries were performed using all-electron basis sets. Excitation energies were obt ...
... STO basis set (Basis IV) for the valence levels of all heavy atoms. For geometry optimizations, frozen core levels were used such that only the n valence shell was varied. Single-point calculations at the optimized geometries were performed using all-electron basis sets. Excitation energies were obt ...
Course: Physics 1 Module 3: Optics and Wave Phenomena
... when they are completely overlapped. At the instant of complete overlap, Figure 31: Depicting the snapshots of the medium for there is no resulting displacement of two pulses of the same amplitude (one upward and one the particles of the medium. When two downward) before and during interference; pul ...
... when they are completely overlapped. At the instant of complete overlap, Figure 31: Depicting the snapshots of the medium for there is no resulting displacement of two pulses of the same amplitude (one upward and one the particles of the medium. When two downward) before and during interference; pul ...
Ultrafast Optical Parametric Chirped
... chirped-pulse amplification (OPCPA, Fig. 1) combines the advantages of both techniques [11], [12]. It enables the production of high-intensity ultrafast laser pulses in various parts of the optical spectrum, with pulse durations in the few-cycle regime and peak powers reaching the terawatt (TW) leve ...
... chirped-pulse amplification (OPCPA, Fig. 1) combines the advantages of both techniques [11], [12]. It enables the production of high-intensity ultrafast laser pulses in various parts of the optical spectrum, with pulse durations in the few-cycle regime and peak powers reaching the terawatt (TW) leve ...
Chemical sensors based on quantum cascade lasers
... gas-sensing applications, because they emit single-frequency radiation that is suitable for high-resolution spectroscopy. Other QC systems such as type-I GaAs–AlGaAs [5] and type-II (interband) lasers [6], [7] have not yet reached the level of robustness required by real-world chemical sensing appli ...
... gas-sensing applications, because they emit single-frequency radiation that is suitable for high-resolution spectroscopy. Other QC systems such as type-I GaAs–AlGaAs [5] and type-II (interband) lasers [6], [7] have not yet reached the level of robustness required by real-world chemical sensing appli ...
The atomic orbitals of the topological atom
... In practice, the dimension of the “effective AO” basis has nothing to do with the dimension of the LCAO basis (if any) used in the original calculation. Equation (6) indicates that the maximum number of “effective AOs” that can be obtained is Nat × n, which can be both less or more than the total nu ...
... In practice, the dimension of the “effective AO” basis has nothing to do with the dimension of the LCAO basis (if any) used in the original calculation. Equation (6) indicates that the maximum number of “effective AOs” that can be obtained is Nat × n, which can be both less or more than the total nu ...
Fabrication of two-layer integrated phase mask for
... A photonic crystal is a dielectric medium in which periodic microstructures are formed using high refractive index contrast materials [1, 2]. Since its first introduction in 1987, a large number of applications have been proposed using photonic crystal structures [3]. However, it has been a great ch ...
... A photonic crystal is a dielectric medium in which periodic microstructures are formed using high refractive index contrast materials [1, 2]. Since its first introduction in 1987, a large number of applications have been proposed using photonic crystal structures [3]. However, it has been a great ch ...
X-ray fluorescence
![](https://commons.wikimedia.org/wiki/Special:FilePath/LDAutoXRFPic.jpg?width=300)
X-ray fluorescence (XRF) is the emission of characteristic ""secondary"" (or fluorescent) X-rays from a material that has been excited by bombarding with high-energy X-rays or gamma rays. The phenomenon is widely used for elemental analysis and chemical analysis, particularly in the investigation of metals, glass, ceramics and building materials, and for research in geochemistry, forensic science and archaeology.