LOSS OF COHERENCE IN GATE-CONTROLLED QUBIT SYSTEMS
... We present a Monte Carlo study of irreversible, competitive deposition models, applied to single- and two-sized disks on pre-treated, patterned surfaces with short-range repulsive interactions. In particular, we study the effect of the substrate nanopatterning on coverage and particle distribution o ...
... We present a Monte Carlo study of irreversible, competitive deposition models, applied to single- and two-sized disks on pre-treated, patterned surfaces with short-range repulsive interactions. In particular, we study the effect of the substrate nanopatterning on coverage and particle distribution o ...
slides - 7th MATHEMATICAL PHYSICS MEETING
... The main task of AQC is to describe the very early stage in the evolution of the Universe. At this stage, the Universe was in a quantum state, which should be described by a wave function (complex valued and depends on some real parameters). But, QC is related to Planck scale phenomena - it is natur ...
... The main task of AQC is to describe the very early stage in the evolution of the Universe. At this stage, the Universe was in a quantum state, which should be described by a wave function (complex valued and depends on some real parameters). But, QC is related to Planck scale phenomena - it is natur ...
qm-cross-sections
... In a practical scattering situation we have a finite acceptance for a detector with a solid angle W. There is a range of momenta which are allowed by kinematics which can contribute to the cross section. The cross section for scattering into W is then obtained as an integral over all the allowed m ...
... In a practical scattering situation we have a finite acceptance for a detector with a solid angle W. There is a range of momenta which are allowed by kinematics which can contribute to the cross section. The cross section for scattering into W is then obtained as an integral over all the allowed m ...
Quantum computing with nanoscale infrastructure
... to try to beat nature on its home ground |01> or |10> or |11>. But the two-qubit register can be written as a|00>+b|01>+c|10>+d|11>. This means that the register is in all 22 =4 classical bit configurations at the same time! If we consider a register with 10 qubits, the number of possible simultaneo ...
... to try to beat nature on its home ground |01> or |10> or |11>. But the two-qubit register can be written as a|00>+b|01>+c|10>+d|11>. This means that the register is in all 22 =4 classical bit configurations at the same time! If we consider a register with 10 qubits, the number of possible simultaneo ...
Quantum Information and Quantum Computation
... Chapter 52. Quantum Information and Quantum Computation Quantum computers store and process information at the level of individual quanta--atoms, photons, and electrons. Even if Moore's law persists, commercial quantum computers are not yet due on the shelves for another few decades; nonetheless, p ...
... Chapter 52. Quantum Information and Quantum Computation Quantum computers store and process information at the level of individual quanta--atoms, photons, and electrons. Even if Moore's law persists, commercial quantum computers are not yet due on the shelves for another few decades; nonetheless, p ...
A Unique Quantum Random Number Generator using Bosonic
... digital signatures, statistical sampling, etc. Random number generators can be classified into two types: pseudo-random number generators (PRNG) and true random number generators (TRNG). A PRNG is an algorithm, computational or physical, for generating a sequence of numbers that approximates the pro ...
... digital signatures, statistical sampling, etc. Random number generators can be classified into two types: pseudo-random number generators (PRNG) and true random number generators (TRNG). A PRNG is an algorithm, computational or physical, for generating a sequence of numbers that approximates the pro ...
Wave Packets - Centro de Física Teórica
... We find thus that the most probable value to be measured for the particle’s momentum, or the average value for a repeated number of measurements, equals k̄ which is indeed the central value of the k-distribution. As a consequence of this result one interprets the integration variable k in the Fourie ...
... We find thus that the most probable value to be measured for the particle’s momentum, or the average value for a repeated number of measurements, equals k̄ which is indeed the central value of the k-distribution. As a consequence of this result one interprets the integration variable k in the Fourie ...
Physlets and Open Source Physics for Quantum Mechanics:
... applications, but fails for more sophisticated one-of-a-kind simulations that require advanced discipline-specific expertise, such as those for quantum mechanics. Users and developers of these types of programs often have specialized curricular needs that can only be addressed by having access to th ...
... applications, but fails for more sophisticated one-of-a-kind simulations that require advanced discipline-specific expertise, such as those for quantum mechanics. Users and developers of these types of programs often have specialized curricular needs that can only be addressed by having access to th ...
Parallel Universes
... Many-Worlds Theory The Many-Worlds Theory was developed when Everett wanted to answer why quantum matter behaved so oddly. ...
... Many-Worlds Theory The Many-Worlds Theory was developed when Everett wanted to answer why quantum matter behaved so oddly. ...
The mystery of square root of minus one in quantum mechanics, and
... Our arguments are based simply on the fundamental understanding of the three equivalent forms of Fourier series. We will review the development of these forms and then derive a new version of the above noncommutative relationship which contains only real elements. We then move on to examine the role ...
... Our arguments are based simply on the fundamental understanding of the three equivalent forms of Fourier series. We will review the development of these forms and then derive a new version of the above noncommutative relationship which contains only real elements. We then move on to examine the role ...
Modeling the Hydrogen Atom - The Supercomputing Challenge
... Our project is modeling a hydrogen atom. Because no one knows the exact shape or properties of an atom, we used the most accepted atomic theories in our model. These two theories include the Quantum Mechanics theory and the planetary theory otherwise known as Bohr’s Atomic Model. The planetary model ...
... Our project is modeling a hydrogen atom. Because no one knows the exact shape or properties of an atom, we used the most accepted atomic theories in our model. These two theories include the Quantum Mechanics theory and the planetary theory otherwise known as Bohr’s Atomic Model. The planetary model ...
general properties of the solution: quantum numbers:
... - If L was aligned with the quantization axis the electron would be certain to move in the x-y plane. The uncertainty principle would require the momentum uncertainty Δpz to be infinite. Thus the electron could not be bound to the nucleus. - the uncertainty principle enforces that not all components ...
... - If L was aligned with the quantization axis the electron would be certain to move in the x-y plane. The uncertainty principle would require the momentum uncertainty Δpz to be infinite. Thus the electron could not be bound to the nucleus. - the uncertainty principle enforces that not all components ...
CHEM-UA 127: Advanced General Chemistry I
... probability 1 if we were to measure the energy. If Ψ(x) were a combination of more than one of the ψn (x), then identical √ energy measurements will have different outcomes that cannot be predicted. For example, if Ψ(x) = (1/ 2)(ψ1 (x) + ψ2 (x)), then a measurement of energy would yield E1 with prob ...
... probability 1 if we were to measure the energy. If Ψ(x) were a combination of more than one of the ψn (x), then identical √ energy measurements will have different outcomes that cannot be predicted. For example, if Ψ(x) = (1/ 2)(ψ1 (x) + ψ2 (x)), then a measurement of energy would yield E1 with prob ...
ANGULAR MOMENTUM IN QUANTUM MECHANICS
... All three components of a quantum mechanical angular momentum vector cannot be welldefined at any given instant; however, classical reasoning can still help make predictions about the probabilities associated with the allowed values of an angular momentum measurement. F. Use your knowledge of classi ...
... All three components of a quantum mechanical angular momentum vector cannot be welldefined at any given instant; however, classical reasoning can still help make predictions about the probabilities associated with the allowed values of an angular momentum measurement. F. Use your knowledge of classi ...
Coherent transport through a quantum dot in a strong magnetic field *
... Whereas in the q"1 case the propagator has poles at all integer multiples of the noninteracting level spacing *e, in the interacting case the first q!1 poles (above the Fermi energy) are removed. This effect, which can be regarded as a remnant of the Coulomb blockade for particles with short-range i ...
... Whereas in the q"1 case the propagator has poles at all integer multiples of the noninteracting level spacing *e, in the interacting case the first q!1 poles (above the Fermi energy) are removed. This effect, which can be regarded as a remnant of the Coulomb blockade for particles with short-range i ...
General Relativity as an Effective Field Theory
... “I also question the assertion that we presently have no quantum field theory of gravitation. It is true that there is no closed, internally consistent theory of quantum gravity valid at all distance scales. But such theories are hard to come by, and in any case, are not very relevant in practice. B ...
... “I also question the assertion that we presently have no quantum field theory of gravitation. It is true that there is no closed, internally consistent theory of quantum gravity valid at all distance scales. But such theories are hard to come by, and in any case, are not very relevant in practice. B ...
At what time does a quantum experiment have a result?
... variable. In quantum theory, then, one must treat the time of detection as an observable. Now, as is well-known, Pauli’s Theorem implies that there is no self-adjoint operator with the requisite properties (Srinivas and Vijayalakshmi [1981]). But what is actually established by this result is that ...
... variable. In quantum theory, then, one must treat the time of detection as an observable. Now, as is well-known, Pauli’s Theorem implies that there is no self-adjoint operator with the requisite properties (Srinivas and Vijayalakshmi [1981]). But what is actually established by this result is that ...
lecture notes, page 1
... We can plot the radial probability distribution as a function of radius. Radial probability distribution for a hydrogen 1s orbital: ...
... We can plot the radial probability distribution as a function of radius. Radial probability distribution for a hydrogen 1s orbital: ...
The postulates of Quantum Mechanics
... If there are certain physical quantities, or parameters, which at least in principle can be measured, and they remain constant for a finite time interval, then we can speak about the state of the physical system. It should be noted that there is a difference between a state from the classical point ...
... If there are certain physical quantities, or parameters, which at least in principle can be measured, and they remain constant for a finite time interval, then we can speak about the state of the physical system. It should be noted that there is a difference between a state from the classical point ...
Lecture 8: The fractional quantum Hall effect The fractional quantum
... we will see that in a sense a nonzero compressibility is realized there. We are now in a position to answer our original question, namely, what happens when, in a Corbino-disk geometry, we adiabatically increase the AB flux by one flux quantum? The first point to make is that after such an increase ...
... we will see that in a sense a nonzero compressibility is realized there. We are now in a position to answer our original question, namely, what happens when, in a Corbino-disk geometry, we adiabatically increase the AB flux by one flux quantum? The first point to make is that after such an increase ...