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... Nearly 25 years ago Wang et al.' discovered that a secondary light beam can be used to improve dramatically the sensitivity of simple linear reflectance experiments. The photoreflectance method quickly became a routine spectroscopic diagnostic of semiconductors with space-charge regions.2 Photorefle ...
... Nearly 25 years ago Wang et al.' discovered that a secondary light beam can be used to improve dramatically the sensitivity of simple linear reflectance experiments. The photoreflectance method quickly became a routine spectroscopic diagnostic of semiconductors with space-charge regions.2 Photorefle ...
Computing prime factors with a Josephson phase qubit quantum
... FIG. 2: Rapid entanglement for two to four-qubits. Panels a,b,c show the measured state occupation probabilities PQ1−4 (color) and PB (black) for increasing number of participating qubits N = {2, 3, 4} versus interaction time ∆τ . In all cases B is first prepared in the n = 1 Fock state[8] and the p ...
... FIG. 2: Rapid entanglement for two to four-qubits. Panels a,b,c show the measured state occupation probabilities PQ1−4 (color) and PB (black) for increasing number of participating qubits N = {2, 3, 4} versus interaction time ∆τ . In all cases B is first prepared in the n = 1 Fock state[8] and the p ...
Gravity as a fluid dynamic phenomenon in a superfluid
... to Navier Stokes equations to describe vortex objects (vortex balls) which, unlike Hill's spherical vortices, show intersected streamlines and seem to satisfactorily reproduce fermions' spin by varying their orientation at each revolution. Also Volovik [7] accurately discusses the possible topology ...
... to Navier Stokes equations to describe vortex objects (vortex balls) which, unlike Hill's spherical vortices, show intersected streamlines and seem to satisfactorily reproduce fermions' spin by varying their orientation at each revolution. Also Volovik [7] accurately discusses the possible topology ...
Theoretical aspects of Solid State Physics
... Physics is a qualitative science, and physics is an experimental science. In some rare cases a physical problem may have an exact (or high precision) solution as, for example, in the case of spectrum of Hydrogen atom, or for a value of the fundamental constant e2 /h̄c. Typically, however, it is not ...
... Physics is a qualitative science, and physics is an experimental science. In some rare cases a physical problem may have an exact (or high precision) solution as, for example, in the case of spectrum of Hydrogen atom, or for a value of the fundamental constant e2 /h̄c. Typically, however, it is not ...
Quantum cryptography
... An important difference between classical and quantum systems A state of a compound classical (quantum) system can be (cannot be) always composed from the states of the subsystem. ...
... An important difference between classical and quantum systems A state of a compound classical (quantum) system can be (cannot be) always composed from the states of the subsystem. ...
The New Fuels with Magnecular Structure
... of matter and half of antimatter. Einsteinian theories are also strictly inapplicable to numerous other systems and conditions, such as the synthesis of neutrons inside stars from protons and electrons (see Volume [25] for technical details). For the case of energy releasing processes, the scientifi ...
... of matter and half of antimatter. Einsteinian theories are also strictly inapplicable to numerous other systems and conditions, such as the synthesis of neutrons inside stars from protons and electrons (see Volume [25] for technical details). For the case of energy releasing processes, the scientifi ...
Edge-mode superconductivity in a two
... check, we studied a non-topological InAs-only junction (device B), where, as expected, a SQUID-like SQI was not observed (Supplementary Fig. 11). The edge-mode SQI data typically show conventional Φ0-periodicity (for example, as in Fig. 4c). However, over a certain gate range (dashed rectangle in Fi ...
... check, we studied a non-topological InAs-only junction (device B), where, as expected, a SQUID-like SQI was not observed (Supplementary Fig. 11). The edge-mode SQI data typically show conventional Φ0-periodicity (for example, as in Fig. 4c). However, over a certain gate range (dashed rectangle in Fi ...
Bounds on Quantum Probabilities - D
... of the spin-operator σz to the eigenvalue +1 and | ↓i to the eigenvalue −15 , sent in opposite directions to two observers waiting at the points A and B in space-time. If now the observer in A measured the property σz of the first particle finding the particle in the spin-up state, he could predict ...
... of the spin-operator σz to the eigenvalue +1 and | ↓i to the eigenvalue −15 , sent in opposite directions to two observers waiting at the points A and B in space-time. If now the observer in A measured the property σz of the first particle finding the particle in the spin-up state, he could predict ...
Condensed matter realization of the axial magnetic effect
... where we used that the moment of inertia of the cylinder of mass M is I = 12 Ma 2 . The magnitude of b is determined by the expectation value of the magnetization of the induced dopants and can be estimated to be of order 0.01–0.1 eV. Restoring the appropriate constants and vF ∼ 10−3 c and for con ...
... where we used that the moment of inertia of the cylinder of mass M is I = 12 Ma 2 . The magnitude of b is determined by the expectation value of the magnetization of the induced dopants and can be estimated to be of order 0.01–0.1 eV. Restoring the appropriate constants and vF ∼ 10−3 c and for con ...
Detailed program - Ricardo Mendes Ribeiro
... and postdoctoral fellows, taught undergraduate as well as graduate courses, and contributed to the physics department in many ways. Shi-Jian’s research areas were condensed matter theory and quantum information. I will not go into details on Shi-Jian’s contributions, other than to point out that thr ...
... and postdoctoral fellows, taught undergraduate as well as graduate courses, and contributed to the physics department in many ways. Shi-Jian’s research areas were condensed matter theory and quantum information. I will not go into details on Shi-Jian’s contributions, other than to point out that thr ...
How Quantum Theory Helps us Explain
... undertake a comprehensive survey of all these applications. Instead I will simply list a number of representative cases in which quantum theory has helped us explain otherwise puzzling phenomena. Apart from their diversity, three aspects of these cases are worth emphasizing. First, each case itself ...
... undertake a comprehensive survey of all these applications. Instead I will simply list a number of representative cases in which quantum theory has helped us explain otherwise puzzling phenomena. Apart from their diversity, three aspects of these cases are worth emphasizing. First, each case itself ...
Reduction of microtrenching and island formation in oxide plasma etching
... can accumulate charge to replicate the insulating oxide island. The oxide is considered a perfect insulating surface. Any breakdown of the oxide or leakage current to the substrate is neglected. The simulation is run both with and without the electron beam to study its effect on the ion trajectories ...
... can accumulate charge to replicate the insulating oxide island. The oxide is considered a perfect insulating surface. Any breakdown of the oxide or leakage current to the substrate is neglected. The simulation is run both with and without the electron beam to study its effect on the ion trajectories ...
Quantum supergroups and canonical bases Sean Clark University of Virginia Dissertation Defense
... No examples despite extensive study, experts don’t believe. Why should canonical bases exist? Because now we have I ...
... No examples despite extensive study, experts don’t believe. Why should canonical bases exist? Because now we have I ...
gaussian wavepackets
... place and grows slowly fat. By “launching” such a packet we place ourselves in position to model the quantum mechanical motion of a projectile, which departs (neighborhood of) the origin at time t = 0 with velocity v and with momenta which lie in the neighborhood ∆p of p = mv. I discuss three distin ...
... place and grows slowly fat. By “launching” such a packet we place ourselves in position to model the quantum mechanical motion of a projectile, which departs (neighborhood of) the origin at time t = 0 with velocity v and with momenta which lie in the neighborhood ∆p of p = mv. I discuss three distin ...
Hydrogen atom
A hydrogen atom is an atom of the chemical element hydrogen. The electrically neutral atom contains a single positively charged proton and a single negatively charged electron bound to the nucleus by the Coulomb force. Atomic hydrogen constitutes about 75% of the elemental (baryonic) mass of the universe.In everyday life on Earth, isolated hydrogen atoms (usually called ""atomic hydrogen"" or, more precisely, ""monatomic hydrogen"") are extremely rare. Instead, hydrogen tends to combine with other atoms in compounds, or with itself to form ordinary (diatomic) hydrogen gas, H2. ""Atomic hydrogen"" and ""hydrogen atom"" in ordinary English use have overlapping, yet distinct, meanings. For example, a water molecule contains two hydrogen atoms, but does not contain atomic hydrogen (which would refer to isolated hydrogen atoms).