HQ-1: Conference on the History of Quantum Physics Max Planck
... Robert Andrews Millikan began working intermittently on the photoelectric effect in 1905 but not in earnest until October 1912, which, he said, then “occupied practically all of my individual research time for the next three years.”14 Earlier that spring he had attended Planck’s lectures in Berlin, ...
... Robert Andrews Millikan began working intermittently on the photoelectric effect in 1905 but not in earnest until October 1912, which, he said, then “occupied practically all of my individual research time for the next three years.”14 Earlier that spring he had attended Planck’s lectures in Berlin, ...
Renormalization group and the Planck scale
... While this energy scale is presently out of reach for Earth-based particle accelerator experiments, fingerprints of Planck-scale physics can nevertheless become accessible through cosmological data from the very early Universe. From a theory perspective, it is widely expected that a fundamental under ...
... While this energy scale is presently out of reach for Earth-based particle accelerator experiments, fingerprints of Planck-scale physics can nevertheless become accessible through cosmological data from the very early Universe. From a theory perspective, it is widely expected that a fundamental under ...
Modelling the electron and hole states in semiconductor
... wide band-gap direct semiconductors and their nanostructures are usually well described by the single-band effective-mass theory and the 6-band Luttinger-Kohn model, respectively. The mentioned k · p models are well suited for low k states, whereas they cannot be straightforwardly adopted to model s ...
... wide band-gap direct semiconductors and their nanostructures are usually well described by the single-band effective-mass theory and the 6-band Luttinger-Kohn model, respectively. The mentioned k · p models are well suited for low k states, whereas they cannot be straightforwardly adopted to model s ...
Superconducting Qubits: A Short Review
... temperatures where the typical energy kT of thermal fluctuations is much less that the energy quantum ~ω 01 associated with the transition between the states |qubit=0> and |qubit=1>. For reasons which will become clear in subsequent sections, this frequency for superconducting qubits is in the 5-20 ...
... temperatures where the typical energy kT of thermal fluctuations is much less that the energy quantum ~ω 01 associated with the transition between the states |qubit=0> and |qubit=1>. For reasons which will become clear in subsequent sections, this frequency for superconducting qubits is in the 5-20 ...
Superconducting Qubits: A Short Review
... temperatures where the typical energy kT of thermal fluctuations is much less that the energy quantum ~ω01 associated with the transition between the states |qubit = 0i and |qubit = 1i. For reasons which will become clear in subsequent sections, this frequency for superconducting qubits is in the 5- ...
... temperatures where the typical energy kT of thermal fluctuations is much less that the energy quantum ~ω01 associated with the transition between the states |qubit = 0i and |qubit = 1i. For reasons which will become clear in subsequent sections, this frequency for superconducting qubits is in the 5- ...
Nonequilibrium fluctuations, fluctuation theorems
... derivations of FTs to quantum regime is complicated by the lack of a classical trajectory picture when coherences are taken into account and by the essential role of measurements, which can be safely ignored in ideal classical systems. We show that the FTs follow from fundamental dynamical symmetrie ...
... derivations of FTs to quantum regime is complicated by the lack of a classical trajectory picture when coherences are taken into account and by the essential role of measurements, which can be safely ignored in ideal classical systems. We show that the FTs follow from fundamental dynamical symmetrie ...
Electron-hole asymmetric integer and fractional quantum Hall effect
... (40). Large band gaps have been observed in monolayer graphene samples on h-BN with a proximal gate, which have been attributed to the breaking of sublattice symmetry by h-BN or screening from the nearby metal (38, 41, 42). It is also possible that the difference in distance between the top layer to ...
... (40). Large band gaps have been observed in monolayer graphene samples on h-BN with a proximal gate, which have been attributed to the breaking of sublattice symmetry by h-BN or screening from the nearby metal (38, 41, 42). It is also possible that the difference in distance between the top layer to ...
Technologies and Designs for Electronic Nanocomputers
... 10,000 times more densely integrated than today’s smallest microcomputers. Electronic technology is one of several alternative technologies (e.g., mechanical, chemical, quantum) that have been proposed for implementing a nanocomputer. Electronic technology for nanometer-scale computers has the advan ...
... 10,000 times more densely integrated than today’s smallest microcomputers. Electronic technology is one of several alternative technologies (e.g., mechanical, chemical, quantum) that have been proposed for implementing a nanocomputer. Electronic technology for nanometer-scale computers has the advan ...
silicon in the quantum limit: quantum computing
... recent advances in nanofabrication, and the rediscovery that information is physical (and thus based on quantum physics) have started a worldwide race to understand and control quantum systems in a coherent and useful way. Semiconductor architectures hold promise for quantum information processing ( ...
... recent advances in nanofabrication, and the rediscovery that information is physical (and thus based on quantum physics) have started a worldwide race to understand and control quantum systems in a coherent and useful way. Semiconductor architectures hold promise for quantum information processing ( ...
Synthesis and properties of single luminescent silicon quantum dots
... regarded as a hallmark of single fluorescent objects. This effect appeared to be dependent on the excitation power density suggesting the involvement of Auger-assisted ionization in the dynamics of nanocrystal luminescence. In addition, it was shown how a change in the surrounding optical mode densi ...
... regarded as a hallmark of single fluorescent objects. This effect appeared to be dependent on the excitation power density suggesting the involvement of Auger-assisted ionization in the dynamics of nanocrystal luminescence. In addition, it was shown how a change in the surrounding optical mode densi ...
quantum information exchange between photons and atoms
... atomic excitation is studied for both Fock state and coherent state pulse. The detailed analysis of atomic excited state population is provided for single photon pulse with various temporal shapes. The work is then extended to a more general case with two spatial-modes and multi-photon pulses. The d ...
... atomic excitation is studied for both Fock state and coherent state pulse. The detailed analysis of atomic excited state population is provided for single photon pulse with various temporal shapes. The work is then extended to a more general case with two spatial-modes and multi-photon pulses. The d ...
theoretical physics in the Netherlands
... • At very short distances, spacetime fluctuates wildly • No background spacetime; “the stage itself becomes actor” Sanity conditions • Wild geometries at short distance ok • Einstein GR at larger distance ...
... • At very short distances, spacetime fluctuates wildly • No background spacetime; “the stage itself becomes actor” Sanity conditions • Wild geometries at short distance ok • Einstein GR at larger distance ...
Document
... Central question: In two dimensions, we can view the vortices as point particle excitations of the superfluid. What is the quantum mechanics of these “particles” ? ...
... Central question: In two dimensions, we can view the vortices as point particle excitations of the superfluid. What is the quantum mechanics of these “particles” ? ...
Final Review Report - Cardiff Physics and Astronomy
... isolated by lifting the mode degeneracy in a slightly deformed microsphere and addressing it by high-resolution imaging spectroscopy. This cavity mode is coupled to a localized exciton of an anisotropically shaped CdSe nanocrystal on the microsphere surface that emits highly polarized light in reso ...
... isolated by lifting the mode degeneracy in a slightly deformed microsphere and addressing it by high-resolution imaging spectroscopy. This cavity mode is coupled to a localized exciton of an anisotropically shaped CdSe nanocrystal on the microsphere surface that emits highly polarized light in reso ...
Julian Schwinger (1918-1994)
... since the pre-war cyclotrons had been defeated by relativity, and Schwinger became a leader in this development: he proposed a microtron, a accelerator based on acceleration through microwave cavities, developed the theory of stability of synchrotron orbits, and most importantly, worked out in detai ...
... since the pre-war cyclotrons had been defeated by relativity, and Schwinger became a leader in this development: he proposed a microtron, a accelerator based on acceleration through microwave cavities, developed the theory of stability of synchrotron orbits, and most importantly, worked out in detai ...
K - Research
... HEISENBERG-JORDAN approach was made possible only because relativity was added as a correction. Therefore it could only give an approximation for the exact SOMMERFELD formula. Furthermore, the effects of relativity and spin were introduced in a rather ad hoc manner; the correct doublet formulae, for ...
... HEISENBERG-JORDAN approach was made possible only because relativity was added as a correction. Therefore it could only give an approximation for the exact SOMMERFELD formula. Furthermore, the effects of relativity and spin were introduced in a rather ad hoc manner; the correct doublet formulae, for ...
Optical Properties of Semiconductor Nanostructures in Magnetic Field DISSERTATION
... approximation. Further, concentrating on the quantum well and thus assuming strong confinement in the growth (z-) direction, the motion parallel and perpendicular to the xy-plane is factorized leading to the well-known single sublevel approximation. A magnetic field perpendicular to the xyplane is a ...
... approximation. Further, concentrating on the quantum well and thus assuming strong confinement in the growth (z-) direction, the motion parallel and perpendicular to the xy-plane is factorized leading to the well-known single sublevel approximation. A magnetic field perpendicular to the xyplane is a ...
Document
... down a frictionless ramp. It slides across a floor that is frictionless, except for a small section 0.5 m wide that has a coefficient of kinetic friction of 0.2. At the left end, is a spring with spring constant 250 N/m. The box compresses the spring, and is accelerated back to the right. What is th ...
... down a frictionless ramp. It slides across a floor that is frictionless, except for a small section 0.5 m wide that has a coefficient of kinetic friction of 0.2. At the left end, is a spring with spring constant 250 N/m. The box compresses the spring, and is accelerated back to the right. What is th ...
thesis
... quantum Hall fluids. These exotic states in two-dimensional electron gases submitted to a strong perpendicular magnetic field have quantum numbers that are conserved due to topological properties, not because of symmetry. Similar phases might occur in rotating Bose gases, high Tc superconductors, an ...
... quantum Hall fluids. These exotic states in two-dimensional electron gases submitted to a strong perpendicular magnetic field have quantum numbers that are conserved due to topological properties, not because of symmetry. Similar phases might occur in rotating Bose gases, high Tc superconductors, an ...
On Quantum Simulators and Adiabatic Quantum Algorithms
... classical search algorithms and Hallgren’s quantum algorithm [6] for Pell’s equation1 which is exponentially faster than any known classical algorithm. Quantum mechanics, in so far as it is a complete natural theory, describes every physical computing device and, so, even classical computers. Theref ...
... classical search algorithms and Hallgren’s quantum algorithm [6] for Pell’s equation1 which is exponentially faster than any known classical algorithm. Quantum mechanics, in so far as it is a complete natural theory, describes every physical computing device and, so, even classical computers. Theref ...
Quantum Mechanics Made Simple: Lecture Notes
... Quantum mechanics is an important intellectual achievement of the 20th century. It is one of the more sophisticated fields in physics that has affected our understanding of nano-meter length scale systems important for chemistry, materials, optics, electronics, and quantum information. The existence ...
... Quantum mechanics is an important intellectual achievement of the 20th century. It is one of the more sophisticated fields in physics that has affected our understanding of nano-meter length scale systems important for chemistry, materials, optics, electronics, and quantum information. The existence ...
PERIMETER INSTITUTE L`INSTITUT PERIMETER
... Institute (PI). From its inception, spacetime and quantum theory have been at the heart of PI research. While these topics might at first sight seem abstract and somewhat remote from the real world, we hope that you will see in these pages that here at PI, we still live by the maxim that nature and ...
... Institute (PI). From its inception, spacetime and quantum theory have been at the heart of PI research. While these topics might at first sight seem abstract and somewhat remote from the real world, we hope that you will see in these pages that here at PI, we still live by the maxim that nature and ...
Niels Bohr`s discussions with Albert Einstein, Werner
... immediately explained by Arthur Holly Compton (32) and, independently, by Peter Debye, (331 as the directed scattering of individual light quanta or photons by electrons, with resultant recoil of the electron, thus conserving momentum and energy in individual atomic processes. The Compton effect was ...
... immediately explained by Arthur Holly Compton (32) and, independently, by Peter Debye, (331 as the directed scattering of individual light quanta or photons by electrons, with resultant recoil of the electron, thus conserving momentum and energy in individual atomic processes. The Compton effect was ...
Probability in Everettian quantum mechanics - Philsci
... which both outcomes of the measurement actually occur. The trick, then, is to reconcile the actual occurrence of every possible result of a given measurement with our experience of exactly one of the possible results. Everett’s insight was to relativize the experience of the observer to one of the ...
... which both outcomes of the measurement actually occur. The trick, then, is to reconcile the actual occurrence of every possible result of a given measurement with our experience of exactly one of the possible results. Everett’s insight was to relativize the experience of the observer to one of the ...