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Decoherence and the Transition from Quantum to Classical–Revisited
Decoherence and the Transition from Quantum to Classical–Revisited

Spinons and triplons in spatially anisotropic frustrated antiferromagnets ARTICLES MASANORI KOHNO
Spinons and triplons in spatially anisotropic frustrated antiferromagnets ARTICLES MASANORI KOHNO

... result at k0x = π is given as the G scan in ref. 15. The comparison of S(k, ω) at k0x = π between the present result (that is, S1D (k, ω) of the Heisenberg chain) and the experimental data (G scan in Fig. 5 of ref. 15) is shown in Fig. 3. Only a single fitting parameter—for the global height of inte ...
Wigner functions - Statistical Physics and Theory of Chaos
Wigner functions - Statistical Physics and Theory of Chaos

... the momentum variable. Although straightforward, the momentum distribution is difficult to visualize if one only has ␺共x兲. It would be desirable to have a function that displays the probability distribution simultaneously in the x and p variables. The Wigner function, introduced by Wigner in 1932,1 ...
What quantum computers may tell us about quantum mechanics
What quantum computers may tell us about quantum mechanics

Fano resonances in the excitation spectra of semiconductor
Fano resonances in the excitation spectra of semiconductor

Lecture 1: Review of Quantum Mechanics, Introduction to Statistical
Lecture 1: Review of Quantum Mechanics, Introduction to Statistical

... Given Pi → we can calculate everything! This will be a central concept of statistical mechanics. Examples (glance ahead): Constant E, V, N → Pi constant. Constant N, V, T → Pi ∼ e−Ei /kT Different boundary conditions → different Pi . ...
PDF
PDF

... system from figure 1. (a) Simplified atomic-level schematic diagram of the trapped rubidium atom quantum memory: A-to-B transition occurs when one photon from an entangled pair is absorbed; B-to-D transition is coherently driven to enable storage in the long-lived D levels; A-to-C cycling transition ...
Contradiction of quantum mechanics with local hidden variables for
Contradiction of quantum mechanics with local hidden variables for

Stability of Few-Charge Systems in Quantum Mechanics
Stability of Few-Charge Systems in Quantum Mechanics

... computers has opened up a whole new approach to the problem by making possible stepby-step numerical integration of the differential equations of motion from the initial time to any desired later time. The quantum three-body problem also has a rather well-known history, in particular for systems gove ...
Physics Mechanics
Physics Mechanics

... If the speeds of the interacting objects are very large, we must replace Classical mechanics with Einstein’s special theory of relativity, which hold at any speed, including those near the speed of light. If the interacting bodies are on the scale of atomic structure, we must replace Classical mecha ...
ppt - Zettaflops
ppt - Zettaflops

... • Only a single output qubit is monitored –Estimating the state of a single qubit can be done efficiently –Then, if the Controlled-0-U and Controlled-1-V can be implemented efficiently … –… the (polynomial cost) quantum simulation (needed to create the input to this ...
Entropy, Its Language, and Interpretation
Entropy, Its Language, and Interpretation

Polaronic exciton in a parabolic quantum dot
Polaronic exciton in a parabolic quantum dot

... These structures, where quantum mechanical effects are strongly manifested, have become the subject of intensive experimental and theoretical investigations during the past decade [1]. The inherent fundamental physics and the potential use in designing more efficient microelectronic devices are amon ...
Compendium of Theoretical Physics
Compendium of Theoretical Physics

... The advantage of our deductive method may be particularly apparent in the second chapter, Electrodynamics. In contrast to many other textbooks, we start with Maxwell’s equations in their most general form. This allows us immediately to see very clearly the structure of this theory. We quickly find th ...
Angular momentum operator
Angular momentum operator

Quantum_Computing
Quantum_Computing

... 2.2 Lithographic Challenges 2.3 Physical Challenges 2.4 Conclusions Regarding the Future of Silicon-based Computing ...
Macroscopic Distinguishability Between Quantum States
Macroscopic Distinguishability Between Quantum States

... the thermodynamical limit, when the number of degrees of freedom of the system becomes large (in the limit of a large number of microscopic sub-systems). Yet, there is no special objection why quantum mechanics should not be generally applicable, even to macroscopic systems. Indeed, macroscopic phen ...
Ab initio Quantum and ab initio Molecular Dynamics of the
Ab initio Quantum and ab initio Molecular Dynamics of the

... our study, belongs to this class. An initially decreasing sticking probability had usually been explained by a precursor mechanism.5 In this concept the molecules are temporarily trapped in a molecular physisorption state, the so-called precursor state, before they dissociatively adsorb. The energy ...
Entropy, Its Language, and Interpretation
Entropy, Its Language, and Interpretation

... distinct kinds of entities; (ii) a divergence from each other of particle trajectories, or of sections of wave fronts; (iii) a spreading over an increased number of states of the same entities. These statements entail space and time and although they do not refer specifically to energy, they can eas ...
Stabilization of circular Rydberg atoms by circularly - BORA
Stabilization of circular Rydberg atoms by circularly - BORA

... Photoionization of atoms and molecules by a single photon impact has been studied since the early days of quantum mechanics. For the simplest atomic system in nature, hydrogen, which has a binding energy of 13.6 eV, absorption of a single photon with an energy exceeding this value will induce direct ...
Electron-pair center-of-mass-motion densities of atoms in position
Electron-pair center-of-mass-motion densities of atoms in position

Click here to - Kendriya Vidyalaya No.3 AFS Chakeri
Click here to - Kendriya Vidyalaya No.3 AFS Chakeri

... While doing so efforts were made to ensure that it was error free and also the size was restricted to 150 pages, so that it remained as an effective tool for revision at the time of examination too. It was heartening to note that tremendous positive feedback was received for this work. Again this ye ...
THE MANY CLASSICAL FACES OF QUANTUM STRUCTURES 1
THE MANY CLASSICAL FACES OF QUANTUM STRUCTURES 1

... Gelfand duality. The advantage of algebraic quantum theory is that it places quantum mechanics on the same footing as classical mechanics. The (pure) state space in classical mechanics can be any locally compact Hausdorff topological space X, (sharp) observables are continuous functions X → R, and e ...
Unit Overview Content for This Unit
Unit Overview Content for This Unit

... www.learner.org ...
3 Ion Trap Implementations
3 Ion Trap Implementations

... hold almost every ion, only a few ions are suitable for quantum computation. The following requirements should be met: • The electronic level structure should be simple to allow the realization of a closed two level system without the need of too many lasers. • The levels used for the qubit transiti ...
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Wave–particle duality

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