From Last Time… - High Energy Physics
... Suppose you measure the speed (hence, momentum) of the quantum particle in a tube. How likely are you to measure the particle moving to the left? A. 0% (never) B. 33% (1/3 of the time) C. 50% (1/2 of the time) ...
... Suppose you measure the speed (hence, momentum) of the quantum particle in a tube. How likely are you to measure the particle moving to the left? A. 0% (never) B. 33% (1/3 of the time) C. 50% (1/2 of the time) ...
The Learnability of Quantum States
... of the Hong-Ou-Mandel dip, where n = big as possible Our results suggest that such a generalized HOM dip would be evidence against the Extended Church-Turing Thesis ...
... of the Hong-Ou-Mandel dip, where n = big as possible Our results suggest that such a generalized HOM dip would be evidence against the Extended Church-Turing Thesis ...
Quantum Mechanics helps in searching for a needle in a
... containing N items out of which just one item satisfies a given condition - that one item has to be retrieved. Once an item is examined, it is possible to tell whether or not it satisfies the condition in one step. However, there does not exist any sorting on the database that would aid its selectio ...
... containing N items out of which just one item satisfies a given condition - that one item has to be retrieved. Once an item is examined, it is possible to tell whether or not it satisfies the condition in one step. However, there does not exist any sorting on the database that would aid its selectio ...
QUANTUM COMPUTATION: THE TOPOLOGICAL APPROACH
... 3. “Read” the rotated state by making an observation. What is actually observed is a frequency, say a flash of light, corresponding to an eigenvalue of the observable. Which eigenvalue is observed depends probabilistically on the rotated state vector. ...
... 3. “Read” the rotated state by making an observation. What is actually observed is a frequency, say a flash of light, corresponding to an eigenvalue of the observable. Which eigenvalue is observed depends probabilistically on the rotated state vector. ...
Slides1 - University of Guelph
... quantum information protocol works in theory and in practice using optics • I chose quantum teleportation where we can understand the discrete (polarization) and continuous variable versions of this ...
... quantum information protocol works in theory and in practice using optics • I chose quantum teleportation where we can understand the discrete (polarization) and continuous variable versions of this ...
QUANTUM KEY DISTRIBUTION 1. Cryptography In the course of
... for example be spin up/down along the z- and x-direction, or photon polarization at 0/90 degrees and 45/-45 degrees. The BB84 protocol is now as follows: (1) Alice creates a random sequence of 0’s and 1’s. (2) For each bit in this sequence Allice randomly chooses one of the two bases and then sends ...
... for example be spin up/down along the z- and x-direction, or photon polarization at 0/90 degrees and 45/-45 degrees. The BB84 protocol is now as follows: (1) Alice creates a random sequence of 0’s and 1’s. (2) For each bit in this sequence Allice randomly chooses one of the two bases and then sends ...
Probing quantum mechanics towards the everyday world: where do we stand?
... are behaving quite differently in the two branches of the superposition. An important question which may be raised [5], however, is whether this “cooperation” should be achieved in the absence of appreciable interaction between the constituents (as it is in a typical EPR-type situation,for example). ...
... are behaving quite differently in the two branches of the superposition. An important question which may be raised [5], however, is whether this “cooperation” should be achieved in the absence of appreciable interaction between the constituents (as it is in a typical EPR-type situation,for example). ...
N -level quantum thermodynamics
... The number of equations m K now exceeds the number of adjustable parameters, so we must restrict the values of pi°(~) to satisfy all conditions. In general the parameter ~ is continuous. Therefore we have an unlimited number of conditions to be satisfied, and there is no choice of the N 2 numbers Ai ...
... The number of equations m K now exceeds the number of adjustable parameters, so we must restrict the values of pi°(~) to satisfy all conditions. In general the parameter ~ is continuous. Therefore we have an unlimited number of conditions to be satisfied, and there is no choice of the N 2 numbers Ai ...
What Could You Do With A Quantum Computer?
... physics, seems to me to be an excellent program to follow out...and I'm not happy with all the analyses that go with just the classical theory, because nature isn’t classical, dammit, and if you want to make a simulation of nature, you'd better make it quantum mechanical, and by golly it's a wonderf ...
... physics, seems to me to be an excellent program to follow out...and I'm not happy with all the analyses that go with just the classical theory, because nature isn’t classical, dammit, and if you want to make a simulation of nature, you'd better make it quantum mechanical, and by golly it's a wonderf ...
Control of
... 2. System coherence can be destroyed by decoherence associated with system-bath interactions. 3. Such decoherence can result in quantum mechanics going over to classical mechanics. 4. But classical mechanics does not show interference based control – hence decoherence can be expected to cause loss o ...
... 2. System coherence can be destroyed by decoherence associated with system-bath interactions. 3. Such decoherence can result in quantum mechanics going over to classical mechanics. 4. But classical mechanics does not show interference based control – hence decoherence can be expected to cause loss o ...
PH 5840 Quantum Computation and Quantum Information
... basic knowledge of linear algebra and probability. We will cover most of the chapters in the textbook (KLM) with a few additional topics on quantum information theory taken from the book by Nielsen and Chuang (NC). A few more topics will be covered if there is time. 1. Introduction — Turing machines ...
... basic knowledge of linear algebra and probability. We will cover most of the chapters in the textbook (KLM) with a few additional topics on quantum information theory taken from the book by Nielsen and Chuang (NC). A few more topics will be covered if there is time. 1. Introduction — Turing machines ...
Dima Geshkenbian
... Assume that the database contains N elements, N is some power of 2. Let there be only one solution, that we are looking for x0. ...
... Assume that the database contains N elements, N is some power of 2. Let there be only one solution, that we are looking for x0. ...
No Slide Title
... An observer (G) must open the box in order to collapse the state vector of the system into one of the two possible states. A second observer (H) may be needed to collapse the state vector of the larger system containing the first observer (G) and the apparatus (A-F). And so on ... ...
... An observer (G) must open the box in order to collapse the state vector of the system into one of the two possible states. A second observer (H) may be needed to collapse the state vector of the larger system containing the first observer (G) and the apparatus (A-F). And so on ... ...