indistinguishability - University of Oxford
... to being based on operational concepts and definitions. The situation is different in statistical mechanics, where the concept of entropy is not limited to equilibrium states, nor bound to the concept of reversibility. There is an immediate difficulty, however; for the classical derivations of the e ...
... to being based on operational concepts and definitions. The situation is different in statistical mechanics, where the concept of entropy is not limited to equilibrium states, nor bound to the concept of reversibility. There is an immediate difficulty, however; for the classical derivations of the e ...
Quantum Dynamics as Generalized Conditional Probabilities
... ρB = EB|A (ρA ) at t2 . Classically, there is no reason not to consider the two-time joint probability distribution P (X, Y ) that results f ...
... ρB = EB|A (ρA ) at t2 . Classically, there is no reason not to consider the two-time joint probability distribution P (X, Y ) that results f ...
Full-scale-PIC-simulations
... • Don’t know laser intensity or spot size. • There are ~106-109 selftrapped electrons • Don’t know laser transverse, longitudinal, or frequency • Need to model accuracy of 1 profile (not a diffraction ...
... • Don’t know laser intensity or spot size. • There are ~106-109 selftrapped electrons • Don’t know laser transverse, longitudinal, or frequency • Need to model accuracy of 1 profile (not a diffraction ...
CfE Advanced Higher Physics Unit 2: Quanta and Waves
... the electron moving between its allowed orbits, which can be determined by treating the electron as a wave. Whilst the model of the atom dealt with here gives good agreement with experiments performed on the hydrogen atom, it is found to be unsuitable for larger atoms and molecules. The theory of qu ...
... the electron moving between its allowed orbits, which can be determined by treating the electron as a wave. Whilst the model of the atom dealt with here gives good agreement with experiments performed on the hydrogen atom, it is found to be unsuitable for larger atoms and molecules. The theory of qu ...
Chapter 7 The Collapse of the Wave Function
... you’ve measured x spin, the particle can’t have a definite value of z spin. And, we saw previously that evidently an SGx machine makes this measurement of x spin, because you can figure out the x spin of the electron by seeing which output of the SGx machine the electron emerges from. Yet, here, it ...
... you’ve measured x spin, the particle can’t have a definite value of z spin. And, we saw previously that evidently an SGx machine makes this measurement of x spin, because you can figure out the x spin of the electron by seeing which output of the SGx machine the electron emerges from. Yet, here, it ...
A Formal Cause Beyond Space and Time
... electron does not “move” in space but instead “leaps” from one orbit to another. A parallel situation would be that a person chooses to walk down a hill through discrete descending staircases instead of traversing a continuous downward slope. The person in this the analogy is, however, crossing over ...
... electron does not “move” in space but instead “leaps” from one orbit to another. A parallel situation would be that a person chooses to walk down a hill through discrete descending staircases instead of traversing a continuous downward slope. The person in this the analogy is, however, crossing over ...
EJP_NewCurr_Kohnle - St Andrews Research Repository
... systems and Dirac notation in an ad hoc way, so as not to overload the student with a large amount of mathematics up front. The material can thus be used for self-study by anyone interested in learning quantum mechanics with a high-school level of mathematical understanding. The underlying philosoph ...
... systems and Dirac notation in an ad hoc way, so as not to overload the student with a large amount of mathematics up front. The material can thus be used for self-study by anyone interested in learning quantum mechanics with a high-school level of mathematical understanding. The underlying philosoph ...
Etherism over Atomism: Space is a Substance.
... matter, but matter affects the qualities of space. We can then form hypothesis about the nature of matter and of space that can explain this relationship. So what of the motion of light? We know that matter alters its surrounding space in some way, causing other matter and light itself to accelerate ...
... matter, but matter affects the qualities of space. We can then form hypothesis about the nature of matter and of space that can explain this relationship. So what of the motion of light? We know that matter alters its surrounding space in some way, causing other matter and light itself to accelerate ...
Calculating the Charging Energy of a Non Neutral
... led us to our predicted result: the electron density is uniform across the volume. In the case of the non-neutral quantum dot, we found that for a large quantum dot the extra electron is confined largely to the surface and for a small quantum dot it is uniformly distributed over the volume of the do ...
... led us to our predicted result: the electron density is uniform across the volume. In the case of the non-neutral quantum dot, we found that for a large quantum dot the extra electron is confined largely to the surface and for a small quantum dot it is uniformly distributed over the volume of the do ...
Can Quantum-Mechanical Description of Physical Reality Be
... be determined by a priori philosophical considerations, but must be found by an appeal to results of experiments and measurements. A comprehensive definition of reality is, however, unnecessary for our purpose. We shall be satisfied with the following criterion, which we regard as reasonable. If, wi ...
... be determined by a priori philosophical considerations, but must be found by an appeal to results of experiments and measurements. A comprehensive definition of reality is, however, unnecessary for our purpose. We shall be satisfied with the following criterion, which we regard as reasonable. If, wi ...
Quantum coherence: myth or fact?
... In fact, there is something fishy about this reasoning. That a prior distribution is a meaningful summary of our knowledge (or lack thereof) depends on the full procedure of inference. Here the quantity at hand is not simply unknown, but unknowable. If we believe the claim that a laser’s phase is un ...
... In fact, there is something fishy about this reasoning. That a prior distribution is a meaningful summary of our knowledge (or lack thereof) depends on the full procedure of inference. Here the quantity at hand is not simply unknown, but unknowable. If we believe the claim that a laser’s phase is un ...
April 16, 1998 - StealthSkater
... Dyson's sense where "consciousness"differs "only in degree but not in kind from the processes of choice which we call 'chance' when they are made by electrons." Let's get to Basil Hiley's bottom line "while it is not possible to conclude that the proposal of the direct intervention of consciousness ...
... Dyson's sense where "consciousness"differs "only in degree but not in kind from the processes of choice which we call 'chance' when they are made by electrons." Let's get to Basil Hiley's bottom line "while it is not possible to conclude that the proposal of the direct intervention of consciousness ...
talk
... Consequences of a spatial limitation of entanglement Einstein et al. assume a limited interaction range of the 2 systems. Outside this range the 2 atoms have nothing to do with each other. We apply the EPR view in a very naive way (Einstein was not that naive!). Immediately after the disintegration ...
... Consequences of a spatial limitation of entanglement Einstein et al. assume a limited interaction range of the 2 systems. Outside this range the 2 atoms have nothing to do with each other. We apply the EPR view in a very naive way (Einstein was not that naive!). Immediately after the disintegration ...
From Gravitational Wave Detectors to Completely Positive Maps and
... Weak squezing + simple measurement + simple estimator = optimal strategy! The same is true for dephasing (also atomic dephasing – spin squeezed states are optimal) S. Huelga, et al. Phys. Rev. Lett 79, 3865 (1997), B. M. Escher, R. L. de Matos Filho, L. Davidovich Nature Phys. 7, 406–411 (2011), D. ...
... Weak squezing + simple measurement + simple estimator = optimal strategy! The same is true for dephasing (also atomic dephasing – spin squeezed states are optimal) S. Huelga, et al. Phys. Rev. Lett 79, 3865 (1997), B. M. Escher, R. L. de Matos Filho, L. Davidovich Nature Phys. 7, 406–411 (2011), D. ...