Iron Mineralogy of Venus` Surface Investigated by Mossbauer
... source is normally 57 Co, which decays to the 14.41 keV excited Mössbauer nuclear state of 57 Fe. In general, the nuclear energy level structure of the Fe-bearing sample is different than that of the 57 Co source (because of different oxidation states, chemical environments, and/or magnetic order). ...
... source is normally 57 Co, which decays to the 14.41 keV excited Mössbauer nuclear state of 57 Fe. In general, the nuclear energy level structure of the Fe-bearing sample is different than that of the 57 Co source (because of different oxidation states, chemical environments, and/or magnetic order). ...
New Concepts in Inverse Quantum Chemistry - ETH E
... electron–electron repulsion, and the nucleus–nucleus repulsion, respectively. The rather complicated Hamiltonian of Eq. (1.2) is usually simplified by invoking the well-known Born–Oppenheimer approximation, in which the nuclear coordinates are treated as (fixed) parameters. With that, we can define ...
... electron–electron repulsion, and the nucleus–nucleus repulsion, respectively. The rather complicated Hamiltonian of Eq. (1.2) is usually simplified by invoking the well-known Born–Oppenheimer approximation, in which the nuclear coordinates are treated as (fixed) parameters. With that, we can define ...
The Physics of Low-energy Electron-Molecule Collisions
... The CO2/N2/He laser operates,as indicated in Fig. I, via radiative decay from a particular low-lying vibrational energylevel of CO2. This levelis populated by energy transfer from a (near-resonant)vibrationally excited stateof N2 and by cascadefrom higher lying vibrational levels of CO2. Therefore, ...
... The CO2/N2/He laser operates,as indicated in Fig. I, via radiative decay from a particular low-lying vibrational energylevel of CO2. This levelis populated by energy transfer from a (near-resonant)vibrationally excited stateof N2 and by cascadefrom higher lying vibrational levels of CO2. Therefore, ...
TCNQ-based Supramolecular Architectures at Metal Surfaces
... Surfaces and interfaces are of great scientic interests because an interface is where two phases or materials come into contact and where physical eects emerge. From the application point of view, interface properties are of paramount importance since modern technologies will most likely be suppo ...
... Surfaces and interfaces are of great scientic interests because an interface is where two phases or materials come into contact and where physical eects emerge. From the application point of view, interface properties are of paramount importance since modern technologies will most likely be suppo ...
OPENNESS OF MANY-ELECTRON QUANTUM SYSTEMS FROM
... ditions on the 1-RDM are required to ensure that it arises • A general from N-fermion pure state outermatrix product of the Nthe integration of is anexpressible N -fermion by purethe density eneral N -fermion fermion wave function ermion ensemble N D(1, 2, .., N ; 1̄, 2̄, .., N̄ ) = Ψ(1, 2, .., N ) ...
... ditions on the 1-RDM are required to ensure that it arises • A general from N-fermion pure state outermatrix product of the Nthe integration of is anexpressible N -fermion by purethe density eneral N -fermion fermion wave function ermion ensemble N D(1, 2, .., N ; 1̄, 2̄, .., N̄ ) = Ψ(1, 2, .., N ) ...
Evidence for tautomerism in nucleic acid base
... not treated with resolution enhancement procedures prior to the Fourier transformation. The calculations in Fig.4 need some comment concerning the number of parameters which can be extracted from the calculation of the lineshape. In the region 8Os~1«k12"25O s" 1 the lineshape does not change very mu ...
... not treated with resolution enhancement procedures prior to the Fourier transformation. The calculations in Fig.4 need some comment concerning the number of parameters which can be extracted from the calculation of the lineshape. In the region 8Os~1«k12"25O s" 1 the lineshape does not change very mu ...
Nanoscale Coherent Control
... In chapter 5 we apply these techniques to the intriguing phenomenon of long lived coherence in photosynthetic systems. We show for the first time unambiguously that electronic coherence between different rings of the LH2 system persists to time scales of 100s of femtoseconds, an order of magnitude b ...
... In chapter 5 we apply these techniques to the intriguing phenomenon of long lived coherence in photosynthetic systems. We show for the first time unambiguously that electronic coherence between different rings of the LH2 system persists to time scales of 100s of femtoseconds, an order of magnitude b ...
2 - Durham Research Online
... driving force of the excited state decay. In viscous media and/or at lower temperatures, the rotation is hindered and the radiative excited state decay is favoured over the non-radiative pathway. The non-radiative rate is also dependent upon size and steric factors as these also influence the rotati ...
... driving force of the excited state decay. In viscous media and/or at lower temperatures, the rotation is hindered and the radiative excited state decay is favoured over the non-radiative pathway. The non-radiative rate is also dependent upon size and steric factors as these also influence the rotati ...
Linear and non-linear response phenomena of molecular systems
... that we look at. For example, in an optical absorption experiment, we apply light (the external perturbation) and we look at the light that comes back from the system (the response). In this particular case both correspond to the same type of perturbation, but this does not have to be the case, we m ...
... that we look at. For example, in an optical absorption experiment, we apply light (the external perturbation) and we look at the light that comes back from the system (the response). In this particular case both correspond to the same type of perturbation, but this does not have to be the case, we m ...
The Moletro
... Let’s Go On a Trip! • Your Moletro tickets indicate your current location and where you want to go • For example – ticket #1 is used to go from Moles (central station) to atoms/molecule/particle (particleville) • Also on your ticket is the conversion factor (the relationship between one unit and an ...
... Let’s Go On a Trip! • Your Moletro tickets indicate your current location and where you want to go • For example – ticket #1 is used to go from Moles (central station) to atoms/molecule/particle (particleville) • Also on your ticket is the conversion factor (the relationship between one unit and an ...
chemistry worksheet # 2: the mole as a unit of mass
... A mole of gold contains 6.02 x 1023 atoms of gold. However, we have learned about seven elements that exist as diatomic molecules—H2, N2, O2, F2, Cl2, Br2, and I2. For these elements one mole is 6.02 x 1023 molecules. That is, 6.02 x 1023 molecules of hydrogen is one mole of hydrogen, 6.02 x 1023 mo ...
... A mole of gold contains 6.02 x 1023 atoms of gold. However, we have learned about seven elements that exist as diatomic molecules—H2, N2, O2, F2, Cl2, Br2, and I2. For these elements one mole is 6.02 x 1023 molecules. That is, 6.02 x 1023 molecules of hydrogen is one mole of hydrogen, 6.02 x 1023 mo ...
Many-body van der Waals interactions in molecules and condensed
... before a universally applicable method emerges. For instance, pairwise interatomic vdW methods are frequently employed to describe organic molecules adsorbed on inorganic surfaces [24–27], ignoring the relatively strong electrodynamic response screening present within bulk materials. On the flip sid ...
... before a universally applicable method emerges. For instance, pairwise interatomic vdW methods are frequently employed to describe organic molecules adsorbed on inorganic surfaces [24–27], ignoring the relatively strong electrodynamic response screening present within bulk materials. On the flip sid ...
Optical properties of cylindrical nanowires
... predicted that quantum confinement causes drastic changes in the polarization anisotropy of nanostructures. In this paper we will analyze the optical absorption properties of III-V semiconductor cylindrical nanowires using effective mass theory. Within this approach it is possible to describe the op ...
... predicted that quantum confinement causes drastic changes in the polarization anisotropy of nanostructures. In this paper we will analyze the optical absorption properties of III-V semiconductor cylindrical nanowires using effective mass theory. Within this approach it is possible to describe the op ...
L-edge X-ray absorption study of mononuclear vanadium complexes
... spectral region is dominated by 1s - np dipole (and quadrupole) transitions, whereas the L2,3 spectral region mainly corresponds to transitions between the 2p-core orbitals and partially filled or empty nd-based orbitals. Being dominantly based on electric dipole allowed transitions into the metal d ...
... spectral region is dominated by 1s - np dipole (and quadrupole) transitions, whereas the L2,3 spectral region mainly corresponds to transitions between the 2p-core orbitals and partially filled or empty nd-based orbitals. Being dominantly based on electric dipole allowed transitions into the metal d ...
10 EPR Spectroscopy
... a broader frequency range relative to the mean resonance frequency. This requires a larger relative excitation bandwidth. However, the relative excitation bandwidths of pulses in the radio frequency (rf) and mw range are almost the same, if the same pulse power is available. It is thus not usually p ...
... a broader frequency range relative to the mean resonance frequency. This requires a larger relative excitation bandwidth. However, the relative excitation bandwidths of pulses in the radio frequency (rf) and mw range are almost the same, if the same pulse power is available. It is thus not usually p ...
Multipolarization Dynamic Light Scattering of Nonspherical
... light with the arbitrary polarization direction should be derived. We used Pecora’s theory17 for the spectrum of the light scattered by optically anisotropic molecules. According to this theory, the power spectral density of the light scattered by optically anisotropic particles I(q,ω) can, in the g ...
... light with the arbitrary polarization direction should be derived. We used Pecora’s theory17 for the spectrum of the light scattered by optically anisotropic molecules. According to this theory, the power spectral density of the light scattered by optically anisotropic particles I(q,ω) can, in the g ...