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Charge Transport and Recombination in Dye
... 1.1 First Generation Solar Cells The most popular approach is based on silicon pn semiconductor junction cells first demonstrated at Bells Labs in 1954 by Chaplin, Fuller and Pearson [5]. In the past 30 years, the cost of these has dropped by a factor of 20 with efficiencies reaching c.a. 18% for co ...
... 1.1 First Generation Solar Cells The most popular approach is based on silicon pn semiconductor junction cells first demonstrated at Bells Labs in 1954 by Chaplin, Fuller and Pearson [5]. In the past 30 years, the cost of these has dropped by a factor of 20 with efficiencies reaching c.a. 18% for co ...
transformation ratio at interaction of long sequence of electron
... More fast growth of T with bunch number growth in sequence can be achieved [5], if all bunches are placed in phases, where the amplitude of wakefield, excited by previous bunches, equals zero. Then all bunches are slowed down by identical fields, equal half wakefield, excited by each bunch. The prev ...
... More fast growth of T with bunch number growth in sequence can be achieved [5], if all bunches are placed in phases, where the amplitude of wakefield, excited by previous bunches, equals zero. Then all bunches are slowed down by identical fields, equal half wakefield, excited by each bunch. The prev ...
Atomic Physics Division Fachverband - DPG
... Mixtures of trapped atoms and ions form exciting new systems enabling the study of quantum chemistry, ultracold collisions and polaronic physics. Possible applications include sympathetic cooling of ions, ion-assisted detection of atoms and quantum simulation. In the ultracold regime the quantum dyn ...
... Mixtures of trapped atoms and ions form exciting new systems enabling the study of quantum chemistry, ultracold collisions and polaronic physics. Possible applications include sympathetic cooling of ions, ion-assisted detection of atoms and quantum simulation. In the ultracold regime the quantum dyn ...
Q QUANTUM COHERENCE PROGRESS
... macroscopic systems — should not behave quantum mechanically. As I show in the next section, however, de-Broglie-type arguments are too simplistic. First, entanglement can be found in macroscopic systems4 (including at high temperatures5). And, second, entanglement turns out to be crucial for explai ...
... macroscopic systems — should not behave quantum mechanically. As I show in the next section, however, de-Broglie-type arguments are too simplistic. First, entanglement can be found in macroscopic systems4 (including at high temperatures5). And, second, entanglement turns out to be crucial for explai ...
Polarized interacting exciton gas in quantum wells and bulk semiconductors
... the exciton operator Hamiltonian approach ~Hanamura-Haug approach15!. Our results for the 2D case are in agreement with experiments in quantum wells.2–6 Experimental work in the interacting regime with polarized light remains to be done in bulk, to the best of our knowledge. This paper is organized ...
... the exciton operator Hamiltonian approach ~Hanamura-Haug approach15!. Our results for the 2D case are in agreement with experiments in quantum wells.2–6 Experimental work in the interacting regime with polarized light remains to be done in bulk, to the best of our knowledge. This paper is organized ...
Poetry of Physics and the Physics of Poetry
... supplementary and none of the material developed later in the book will depend on these formulae. The role of a mathematical equation in physics is also described. To repeat the mathematics is purely supplementary. This book is written explicitly for the people who have difficulty with the mathemati ...
... supplementary and none of the material developed later in the book will depend on these formulae. The role of a mathematical equation in physics is also described. To repeat the mathematics is purely supplementary. This book is written explicitly for the people who have difficulty with the mathemati ...
Chapter 3 QUANTUM MONTE CARLO SIMULATION
... nonlocality, one may claim that the introduction of ad hoc local collision operators is a very high price to pay in exchange for 'realism' ". The discussion about the locality of scattering goes far beyond the scope of this simple work, but we want to stress that within our approach, local scatterin ...
... nonlocality, one may claim that the introduction of ad hoc local collision operators is a very high price to pay in exchange for 'realism' ". The discussion about the locality of scattering goes far beyond the scope of this simple work, but we want to stress that within our approach, local scatterin ...
A framework for bounding nonlocality of state discrimination
... B Rigidity of rotated domino states (Lemma 8) ...
... B Rigidity of rotated domino states (Lemma 8) ...
Macroscopic superposition states and decoherence by quantum
... of quantum states. This phenomenon, commonly referred to as decoherence or dephasing, is the subject of the second part of the thesis with the title “Decoherence by quantum telegraph noise”. We have studied the time evolution of the reduced density matrix of a two-level system (qubit) subject to qua ...
... of quantum states. This phenomenon, commonly referred to as decoherence or dephasing, is the subject of the second part of the thesis with the title “Decoherence by quantum telegraph noise”. We have studied the time evolution of the reduced density matrix of a two-level system (qubit) subject to qua ...
Synthesis and properties of single luminescent silicon quantum dots
... The quantum confinement effect, being a direct confirmation of elementary quantum mechanics and the Schrödinger equation, has been widely investigated in direct bandgap nanocrystals due to their straightforward optical applications. This research field goes back to the beginning of the 1980-s, when ...
... The quantum confinement effect, being a direct confirmation of elementary quantum mechanics and the Schrödinger equation, has been widely investigated in direct bandgap nanocrystals due to their straightforward optical applications. This research field goes back to the beginning of the 1980-s, when ...
Quantum electrodynamics
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In particle physics, quantum electrodynamics (QED) is the relativistic quantum field theory of electrodynamics. In essence, it describes how light and matter interact and is the first theory where full agreement between quantum mechanics and special relativity is achieved. QED mathematically describes all phenomena involving electrically charged particles interacting by means of exchange of photons and represents the quantum counterpart of classical electromagnetism giving a complete account of matter and light interaction.In technical terms, QED can be described as a perturbation theory of the electromagnetic quantum vacuum. Richard Feynman called it ""the jewel of physics"" for its extremely accurate predictions of quantities like the anomalous magnetic moment of the electron and the Lamb shift of the energy levels of hydrogen.