Quantum typicality: what is it and what can be done... Jochen Gemmer LMU Muenchen, May, Friday 13th, 2014 University of Osnabrück,
... Why it exists: We see it in system we assume to be closed. Why it does not exist: There are issues with the underlying theory: Quantum Mechanics (Non-eq.) Thermodynamics autonomous dynamics of a few macrovariables attractive fixed point, equilibrium often describable by master equations, Fokker-Plan ...
... Why it exists: We see it in system we assume to be closed. Why it does not exist: There are issues with the underlying theory: Quantum Mechanics (Non-eq.) Thermodynamics autonomous dynamics of a few macrovariables attractive fixed point, equilibrium often describable by master equations, Fokker-Plan ...
EmQM15-Symposium Introduction-Walleczek-Grössing-10-23-2015
... Can quantum-mechanical description of physical reality be considered complete? Bohm (1952ab) Phys. Rev. 85, 166-179; 180-193. A Suggested Interpretation of the Quantum Theory in terms of “Hidden” Variables. Bell (1964) Physics 1, 195-200. On the Einstein Podolsky Rosen Paradox. ...
... Can quantum-mechanical description of physical reality be considered complete? Bohm (1952ab) Phys. Rev. 85, 166-179; 180-193. A Suggested Interpretation of the Quantum Theory in terms of “Hidden” Variables. Bell (1964) Physics 1, 195-200. On the Einstein Podolsky Rosen Paradox. ...
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... the electromagnetic theory of light developed by Maxwell made it possible to associate with optical phenomena. Essentially, these extensions of mechanics were achieved by 20th-century physics, but only at the price of completely restructuring its foundations. At the beginning the crisis was signaled ...
... the electromagnetic theory of light developed by Maxwell made it possible to associate with optical phenomena. Essentially, these extensions of mechanics were achieved by 20th-century physics, but only at the price of completely restructuring its foundations. At the beginning the crisis was signaled ...
- Philsci
... global world-view. Such values are assumptions which state how the foundation of a scientific theory ought to be and which ontological requirements it must meet. They are tacitly present in the given research practise in the sense that they constraint the scientific theories without their validity b ...
... global world-view. Such values are assumptions which state how the foundation of a scientific theory ought to be and which ontological requirements it must meet. They are tacitly present in the given research practise in the sense that they constraint the scientific theories without their validity b ...
Wave-mechanical Model for Chemistry (Reprint: To be published in
... in a singly-occupied atomic orbital. It was eventually agreed that the observed magnetic moment was associated with intrinsic angular momentum, called spin, carried by the electron. The concept of spin is an entirely non-classical notion, but ironically it does not appear in wave-mechanical analysis ...
... in a singly-occupied atomic orbital. It was eventually agreed that the observed magnetic moment was associated with intrinsic angular momentum, called spin, carried by the electron. The concept of spin is an entirely non-classical notion, but ironically it does not appear in wave-mechanical analysis ...
Light-shift imbalance induced blockade of collective excitations beyond the lowest order
... (qubits), while using cavity induced coupling or dipole–dipole interaction for two-qubit operations. An alternative approach is to use atomic ensembles as quantum bits. However, when an atomic ensemble is excited, by a laser beam matched to a two-level transition (or a Raman transition) for example, ...
... (qubits), while using cavity induced coupling or dipole–dipole interaction for two-qubit operations. An alternative approach is to use atomic ensembles as quantum bits. However, when an atomic ensemble is excited, by a laser beam matched to a two-level transition (or a Raman transition) for example, ...
6pp
... – Verify the cat state by taking the parity of each pair of qubits. If any pair has odd parity, return to step 1. This requires six additional ancillae, one for each pair. – Perform a CNOT between each of the qubits in the cat state and the data qubits whose parity is to be measured – Uncreate the c ...
... – Verify the cat state by taking the parity of each pair of qubits. If any pair has odd parity, return to step 1. This requires six additional ancillae, one for each pair. – Perform a CNOT between each of the qubits in the cat state and the data qubits whose parity is to be measured – Uncreate the c ...
Testing Heisenberg`s Uncertainty Principle with
... While more than a century old, quantum mechanics still evokes immerse interest in its promises for future computers, cryptation and materials. An experiment carried out in 1922 by two scientists named Otto Stern and Walther Gerlach, together with a series of other experiments, have given us insight ...
... While more than a century old, quantum mechanics still evokes immerse interest in its promises for future computers, cryptation and materials. An experiment carried out in 1922 by two scientists named Otto Stern and Walther Gerlach, together with a series of other experiments, have given us insight ...
C. 1
... Uncertainty Principle for Photons •Waves are not generally localized in space p k –They have a spread in position x •You can make them somewhat localized by combining different wave numbers k –Now they have a spread in k, k •There is a precise inequality relating these two quantities xk 12 – ...
... Uncertainty Principle for Photons •Waves are not generally localized in space p k –They have a spread in position x •You can make them somewhat localized by combining different wave numbers k –Now they have a spread in k, k •There is a precise inequality relating these two quantities xk 12 – ...
Chapter 2. Mind and the Quantum
... It can be shown that if protons really do posses such local properties, the numbers of proton pairs exhibiting various combinations of spins on certain predefined axes must satisfy a class of inequalities called Bell inequalities after the physicist John Bell, who derived them. The theory of quantum ...
... It can be shown that if protons really do posses such local properties, the numbers of proton pairs exhibiting various combinations of spins on certain predefined axes must satisfy a class of inequalities called Bell inequalities after the physicist John Bell, who derived them. The theory of quantum ...
1997/04 - 1998/03
... α increases beyond the gapless-gapful critical value αc , there appear features definitely different from the Heisenberg model but the same with the MajumdarGhosh model. By comparing these results with a recent inelastic neutron scattering spectrum of an inorganic spin-Peierls compound CuGeO3 , it i ...
... α increases beyond the gapless-gapful critical value αc , there appear features definitely different from the Heisenberg model but the same with the MajumdarGhosh model. By comparing these results with a recent inelastic neutron scattering spectrum of an inorganic spin-Peierls compound CuGeO3 , it i ...
The postulates of Quantum Mechanics
... mixed (or an “impure”) state. What do we mean by pure and mixed states, we will find out a little bit later. Ψ(x,y,z,t), depending of the usual space coordinates (x, y, z) and time t, is called a wavefunction. When we speak about the state of a physical system, then Ψ depends of space coordinates on ...
... mixed (or an “impure”) state. What do we mean by pure and mixed states, we will find out a little bit later. Ψ(x,y,z,t), depending of the usual space coordinates (x, y, z) and time t, is called a wavefunction. When we speak about the state of a physical system, then Ψ depends of space coordinates on ...
Complementarity in Quantum Mechanics and Classical Statistical
... the fact that any kind of matter is able to produce a gravitational interaction. While the state of a system in classical mechanics is determined by the knowledge of the positions q and momenta p of all its constituents, the state of a system in the framework of quantum mechanics is determined by th ...
... the fact that any kind of matter is able to produce a gravitational interaction. While the state of a system in classical mechanics is determined by the knowledge of the positions q and momenta p of all its constituents, the state of a system in the framework of quantum mechanics is determined by th ...