Theoretical Study of Carrier Capture into Semiconductor Quantum
... well lasers are reviewed in order to point out the importance of the capture process in these devices. Previous time-resolved measurements of the capture process are briefly reviewed and experimental results open for theoretical interpretation are presented. Here also the goals of the thesis are spe ...
... well lasers are reviewed in order to point out the importance of the capture process in these devices. Previous time-resolved measurements of the capture process are briefly reviewed and experimental results open for theoretical interpretation are presented. Here also the goals of the thesis are spe ...
"Electronic Spectroscopy and Energy Transfer in Cadmium Selenide Quantum Dots and Conjugated Oligomers"
... a variety of pathways once formed, such as band-edge recombination, charge separation by trapping at the dot surface, and electronic energy transfer (EnT). These phenomena are studied using different CdSe sizes, highlighting the effects of quantum confinement and surface energies on exciton decay. T ...
... a variety of pathways once formed, such as band-edge recombination, charge separation by trapping at the dot surface, and electronic energy transfer (EnT). These phenomena are studied using different CdSe sizes, highlighting the effects of quantum confinement and surface energies on exciton decay. T ...
ABSTRACT NOVEL TRANSPORT PROPERTIES OF ELECTRON-DOPED SUPERCONDUCTORS Pr
... visiting professor from India, proposed us many great research topics. Our collaborating Nernst effect experiments on the high-quality films he supplied also became an important part of my research. Dr. Budhani’s great knowledge on superconductivity has broadened my research scope. His quick and cru ...
... visiting professor from India, proposed us many great research topics. Our collaborating Nernst effect experiments on the high-quality films he supplied also became an important part of my research. Dr. Budhani’s great knowledge on superconductivity has broadened my research scope. His quick and cru ...
Magnetic Susceptibilities - SCK-CEN
... underlying connection. The present paper concerns the connection, the interaction between electric currents which is the basis of magnetism. The basic ideas needed to understand susceptibilities are written in a simple story. The restrained number of subjects treated allows a clear overview. The pap ...
... underlying connection. The present paper concerns the connection, the interaction between electric currents which is the basis of magnetism. The basic ideas needed to understand susceptibilities are written in a simple story. The restrained number of subjects treated allows a clear overview. The pap ...
Double-Soft Limits of Gluons and Gravitons
... a soft and a hard contribution which makes it an interesting topic of study. As was already noticed in the early days of quantum field theory [1, 2], the emission of a single soft gluon or graviton yields a singular soft function linearly divergent in the soft momentum. There is also universal behav ...
... a soft and a hard contribution which makes it an interesting topic of study. As was already noticed in the early days of quantum field theory [1, 2], the emission of a single soft gluon or graviton yields a singular soft function linearly divergent in the soft momentum. There is also universal behav ...
Cavity optomechanics - Institute for Theoretical Physics II
... Nichols and Hull, 1901). A careful analysis of these experiments was required to distinguish the phenomenon from thermal effects that had dominated earlier observations. As early as 1909, Einstein derived the statistics of the radiationpressure force fluctuations acting on a movable mirror (Einstein ...
... Nichols and Hull, 1901). A careful analysis of these experiments was required to distinguish the phenomenon from thermal effects that had dominated earlier observations. As early as 1909, Einstein derived the statistics of the radiationpressure force fluctuations acting on a movable mirror (Einstein ...
Denouement of a wormhole-brane encounter
... points A and A’ in Figure 1) violates the null energy condition within the brane. In this case the structure is a wormhole whose dimensionality matches that of the brane. This wormhole persists in the sense that it presumably remains in the state of partial envelopment and does not, for the reason a ...
... points A and A’ in Figure 1) violates the null energy condition within the brane. In this case the structure is a wormhole whose dimensionality matches that of the brane. This wormhole persists in the sense that it presumably remains in the state of partial envelopment and does not, for the reason a ...
Origin of space-separated charges in photoexcited organic
... electron-hole separations, i.e., more delocalized carriers, compared to the interface-bound CT states, these hot CT states are also more likely to exhibit ultrafast charge separation and thus bypass the relaxation to the lowest CT state. The time scale of the described hot exciton dissociation mecha ...
... electron-hole separations, i.e., more delocalized carriers, compared to the interface-bound CT states, these hot CT states are also more likely to exhibit ultrafast charge separation and thus bypass the relaxation to the lowest CT state. The time scale of the described hot exciton dissociation mecha ...
Physics - Minnesota State University, Mankato
... Special Theory of Relativity. Quantum nature of waves and particles: photons, de Broglie wavelength of matter and wave packet description of particles, Bohr model of hydrogen. Schrodinger wave equation in one-dimension: energy quantization, potential barriers, simple harmonic oscillator. One-electro ...
... Special Theory of Relativity. Quantum nature of waves and particles: photons, de Broglie wavelength of matter and wave packet description of particles, Bohr model of hydrogen. Schrodinger wave equation in one-dimension: energy quantization, potential barriers, simple harmonic oscillator. One-electro ...
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... The phonon wavefunction in a BEC was measured using Bragg spectroscopy and compared with the well-known Bogoliubov theory. Phonons were first excited in a BEC of 3 × 107 condensed 23 Na atoms via small-angle two-photon Bragg scattering. Large angle Bragg scattering was then used to probe the momentu ...
... The phonon wavefunction in a BEC was measured using Bragg spectroscopy and compared with the well-known Bogoliubov theory. Phonons were first excited in a BEC of 3 × 107 condensed 23 Na atoms via small-angle two-photon Bragg scattering. Large angle Bragg scattering was then used to probe the momentu ...
Ultrafast optical spectroscopy of surface
... possible modulation mechanisms of the carrier wave function in Si NCs still remain controversial, some researchers have achieved the effect of surface ligands on the low-energy electron states of Si NCs, which would lead to phononless excitonic recombination.24,25 Thus, the major drawback of Si NCs ...
... possible modulation mechanisms of the carrier wave function in Si NCs still remain controversial, some researchers have achieved the effect of surface ligands on the low-energy electron states of Si NCs, which would lead to phononless excitonic recombination.24,25 Thus, the major drawback of Si NCs ...
Dirac and Majorana edge states in graphene and topological
... in topological superconductors” may seem very loosely connected to the reader. To study the edges of graphene, a one-dimensional sheet of carbon, one needs to pay close attention to the graphene lattice and accurately account for the microscopic details of the system. The Majorana fermions, particle ...
... in topological superconductors” may seem very loosely connected to the reader. To study the edges of graphene, a one-dimensional sheet of carbon, one needs to pay close attention to the graphene lattice and accurately account for the microscopic details of the system. The Majorana fermions, particle ...
periodically poled lithium niobate - Fejer Group
... the first reported continuous-wave 532-nm-pumped PPLN-based singly-resonant OPO, with a record-low 0.93-watt threshold (relative to other 532-nm-pumped OPO’s), 56% conversion efficiency, and continuous tuning from 917-1266 nm. ...
... the first reported continuous-wave 532-nm-pumped PPLN-based singly-resonant OPO, with a record-low 0.93-watt threshold (relative to other 532-nm-pumped OPO’s), 56% conversion efficiency, and continuous tuning from 917-1266 nm. ...
Annals of Physics Classical impurities and boundary Majorana zero
... contrast, the topological phase of the 1DPS is robust against any local perturbations in the fermionic basis. Nevertheless, within the symmetry protected sector, the QIC exhibits very similar physical properties as the 1DPS. In this paper we aim at identifying clear physical differences associated w ...
... contrast, the topological phase of the 1DPS is robust against any local perturbations in the fermionic basis. Nevertheless, within the symmetry protected sector, the QIC exhibits very similar physical properties as the 1DPS. In this paper we aim at identifying clear physical differences associated w ...