Lecture 18 — October 26, 2015 1 Overview 2 Quantum Entropy
... amount of information and correlations that are present in quantum systems. The first fundamental measure that we introduce is the von Neumann entropy. It is the quantum generalization of the Shannon entropy, but it captures both classical and quantum uncertainty in a quantum state. The von Neumann ...
... amount of information and correlations that are present in quantum systems. The first fundamental measure that we introduce is the von Neumann entropy. It is the quantum generalization of the Shannon entropy, but it captures both classical and quantum uncertainty in a quantum state. The von Neumann ...
Twisted Equivariant Matter - Rutgers Physics
... So, we spent some time struggling to understand what these papers had to say to us, and then we wrote our own version of this story. That paper is the subject of today’s talk. I’ll be explaining things that you all probably know, but in a language which is perhaps somewhat unusual. This is perhaps n ...
... So, we spent some time struggling to understand what these papers had to say to us, and then we wrote our own version of this story. That paper is the subject of today’s talk. I’ll be explaining things that you all probably know, but in a language which is perhaps somewhat unusual. This is perhaps n ...
Experimental Implementation of Encoded Logical Qubit Operations
... Over the last few years, a series of experiments were performed that demonstrated that QEC is indeed capable of protecting quantum states against generated (artificial) errors or decoherence induced by the environment (see, e.g., [10–14]). However, the realization of reliable quantum computing requi ...
... Over the last few years, a series of experiments were performed that demonstrated that QEC is indeed capable of protecting quantum states against generated (artificial) errors or decoherence induced by the environment (see, e.g., [10–14]). However, the realization of reliable quantum computing requi ...
Lecture 1
... electrons are not jolted by photons we have an interference pattern. The disturbance caused by photons washes out the interference pattern. We may ask: Is there a way to see the electrons without disturbing them? The disturbance due to the photons will obviously depend on the momentum of a photon wh ...
... electrons are not jolted by photons we have an interference pattern. The disturbance caused by photons washes out the interference pattern. We may ask: Is there a way to see the electrons without disturbing them? The disturbance due to the photons will obviously depend on the momentum of a photon wh ...
computing
... The first one can represent, for example, the number 3 (in binary) and the second one the number 7. In general three physical bits can be prepared in 23 = 8 different configurations that can represent, for example, the integers from 0 to 7. However, a register composed of three classical bits can st ...
... The first one can represent, for example, the number 3 (in binary) and the second one the number 7. In general three physical bits can be prepared in 23 = 8 different configurations that can represent, for example, the integers from 0 to 7. However, a register composed of three classical bits can st ...
Quantum and classical statistics of the electromagnetic zero
... predicted by QFT. We introduce an alternative classical ZPF with a different stochastic character, and demonstrate that it exactly reproduces the statistics of the electromagnetic vacuum of QED. Incorporating this field into SED, it will be shown that the full probability distribution for the amplit ...
... predicted by QFT. We introduce an alternative classical ZPF with a different stochastic character, and demonstrate that it exactly reproduces the statistics of the electromagnetic vacuum of QED. Incorporating this field into SED, it will be shown that the full probability distribution for the amplit ...
Solid State NMR Studies of Complex Two Dimensional Structures
... The inherently low sensitivity of NMR hampers in many cases studies of low dimensional entities such as films or molecular layers. However, fast MAS in combination with advanced recoupling techniques are able to increase the signal to noise ration sufficiently such that structure and dynamics of pol ...
... The inherently low sensitivity of NMR hampers in many cases studies of low dimensional entities such as films or molecular layers. However, fast MAS in combination with advanced recoupling techniques are able to increase the signal to noise ration sufficiently such that structure and dynamics of pol ...
Random Reality - Forgotten Planet
... like to see more emerge from the model before committing himself. "It would be much more convincing if Cahill and Klinger could show something physical--that is, some physical law--emerging from this," says Frieden. "For example, if this is to be a model of space, I would expect something like Eins ...
... like to see more emerge from the model before committing himself. "It would be much more convincing if Cahill and Klinger could show something physical--that is, some physical law--emerging from this," says Frieden. "For example, if this is to be a model of space, I would expect something like Eins ...
Relative Absolute What does relative vs. absolute size mean? Why
... Collection of bodies with various properties mass moment of inertia Bodies interact according g to specific p laws of force. Certain motions consistent with bodies and laws. ...
... Collection of bodies with various properties mass moment of inertia Bodies interact according g to specific p laws of force. Certain motions consistent with bodies and laws. ...
Theoretical Errors in Contemporary Physics
... However, unlike a mathematical theory, a physical theory is required to explain existing experimental data and predict results of new experiments. This distinction between a mathematical theory and a physical theory has several aspects. First, experiments generally do not yield precise values but co ...
... However, unlike a mathematical theory, a physical theory is required to explain existing experimental data and predict results of new experiments. This distinction between a mathematical theory and a physical theory has several aspects. First, experiments generally do not yield precise values but co ...
The Philosophy behind Quantum Gravity
... in the last resort, even the definitions of momentum and energy quantities rest – must always be described entirely on classical lines, and consequently kept outside the system subject to quantum mechanical treatment. The point is that we can treat a measuring apparatus (or part of this) as a quantu ...
... in the last resort, even the definitions of momentum and energy quantities rest – must always be described entirely on classical lines, and consequently kept outside the system subject to quantum mechanical treatment. The point is that we can treat a measuring apparatus (or part of this) as a quantu ...
Are Quantum Physics and Spirituality related
... Wigner in a paper of 40 years ago suggested that it was the consciousness of the observing scientist, and this idea has been carried on by Stapp, who says that consciousness is actually involved in the brain. Stapp believes that since a quantum brain has many alternate things that can happen, consc ...
... Wigner in a paper of 40 years ago suggested that it was the consciousness of the observing scientist, and this idea has been carried on by Stapp, who says that consciousness is actually involved in the brain. Stapp believes that since a quantum brain has many alternate things that can happen, consc ...