Isolation of the Conceptual Ingredients of Quantum Theory by Toy
... Special Relativity, was built around the fundamental idea of causality: he decreed that the constant speed of light provides a limit on the speed at which observers can communicate, and a finite lower bound on the time taken to transmit a causal influence. In short Einstein had stated that cause and ...
... Special Relativity, was built around the fundamental idea of causality: he decreed that the constant speed of light provides a limit on the speed at which observers can communicate, and a finite lower bound on the time taken to transmit a causal influence. In short Einstein had stated that cause and ...
QUANTUM ERROR CORRECTING CODES FROM THE
... expanded upon in the discussion below. We have stated the problem in this form, because it lends itself to consideration as a "compression problem". Of course, this process is still somewhat abstract. In particular, step (ii) will typically require taking infinitely many intersections. Nevertheless, ...
... expanded upon in the discussion below. We have stated the problem in this form, because it lends itself to consideration as a "compression problem". Of course, this process is still somewhat abstract. In particular, step (ii) will typically require taking infinitely many intersections. Nevertheless, ...
Concrete analysis of Regev`s worst-case to average
... samples (ai , ai · s + ei ), where each ai is selected independently and uniformly at random from Znq , and where each ei is selected independently from Zq according to χ, determine s. The decisional version of LWE, called DLWE, asks us to determine whether we have been given m LWE samples (ai , ai ...
... samples (ai , ai · s + ei ), where each ai is selected independently and uniformly at random from Znq , and where each ei is selected independently from Zq according to χ, determine s. The decisional version of LWE, called DLWE, asks us to determine whether we have been given m LWE samples (ai , ai ...
Full Text
... level is Quantum Mechanics Conceptual Survey (QMCS) (McKagan & Wieman, 2006; McKagan, Perkins, & Wieman, 2010). It consists of 12 questions addressing the essential topics of quantum mechanics, such as wave function and probability, wave-particle duality, Schrödinger equation, the quantization of st ...
... level is Quantum Mechanics Conceptual Survey (QMCS) (McKagan & Wieman, 2006; McKagan, Perkins, & Wieman, 2010). It consists of 12 questions addressing the essential topics of quantum mechanics, such as wave function and probability, wave-particle duality, Schrödinger equation, the quantization of st ...
A BRIEF HISTORY OF SPACE-TIME∗ 1 Introduction Up to the
... by a scalar field (the absolute time), whose gradient has a vanishing transvection with the metric field. Compatibility conditions between the chronogeometrical and the inertial or inertio-gravitational structures essentially require that freely falling clocks and measuring rods still remain good i ...
... by a scalar field (the absolute time), whose gradient has a vanishing transvection with the metric field. Compatibility conditions between the chronogeometrical and the inertial or inertio-gravitational structures essentially require that freely falling clocks and measuring rods still remain good i ...
Coherent and incoherent evolution of qubits in
... •Use (electron) spin qubits in order to avoid rapid phonon-induced decoherence as much as possible; •Control coupling of qubits without presence of nearby electrodes and associated electromagnetic fluctuations; ...
... •Use (electron) spin qubits in order to avoid rapid phonon-induced decoherence as much as possible; •Control coupling of qubits without presence of nearby electrodes and associated electromagnetic fluctuations; ...
Chapter 1
... these classical assumptions are based on intuitive notions grounded in everyday experience, and it may not occur to classical thinking that these are even assumptions to begin with, or anyt ...
... these classical assumptions are based on intuitive notions grounded in everyday experience, and it may not occur to classical thinking that these are even assumptions to begin with, or anyt ...
On Quantum vs. Classical Communication Complexity
... All communication models that we have seen can be “augmented” by allowing Alice and Bob (but not the referee) to use shared randomness, or even shared entanglement. Shared randomness matters only in the SMP regime, as O(log n) shared random bits are always sufficient. We do not have, as of today, an ...
... All communication models that we have seen can be “augmented” by allowing Alice and Bob (but not the referee) to use shared randomness, or even shared entanglement. Shared randomness matters only in the SMP regime, as O(log n) shared random bits are always sufficient. We do not have, as of today, an ...
The emergence of the Planck scale
... Zero Point Scale [17±19]. But these short-lived Planck particles can at best describe a space-time foam. We will now throw further light on the fact that at the Planck scale it is gravitation alone that manifests itself. Indeed Rosen [20] has pointed out that one could use a Schrodinger equation wit ...
... Zero Point Scale [17±19]. But these short-lived Planck particles can at best describe a space-time foam. We will now throw further light on the fact that at the Planck scale it is gravitation alone that manifests itself. Indeed Rosen [20] has pointed out that one could use a Schrodinger equation wit ...
- Natural Sciences Publishing
... vanishes in the asymptotic limit, this means that in this region (N(ρ ) = 0) the entanglement between the atom and the field is completely destroyed, and the total state of the system disentangled in a finite time and goes to a vacuum state. Finally, Fig. 2(c) presents the von Neumman entropy S(ρ ) ...
... vanishes in the asymptotic limit, this means that in this region (N(ρ ) = 0) the entanglement between the atom and the field is completely destroyed, and the total state of the system disentangled in a finite time and goes to a vacuum state. Finally, Fig. 2(c) presents the von Neumman entropy S(ρ ) ...
Quantum Public-Key Cryptosystems
... QC and QPKC is that QC employs a quantum channel (and classical channel) while QPKC employs only a classical channel. The security assumption for a QC scheme is quantum mechanics (believed by most physicists), while that for a QPKC scheme is a computational assumption (e.g., existence of a one-way f ...
... QC and QPKC is that QC employs a quantum channel (and classical channel) while QPKC employs only a classical channel. The security assumption for a QC scheme is quantum mechanics (believed by most physicists), while that for a QPKC scheme is a computational assumption (e.g., existence of a one-way f ...
Rapid readout of a register of qubits using open loop... Joshua Combes , Aaron Denney , and Howard M. Wiseman
... In this section we derive the rate at which a continuous measurement extracts information from a quantum system for a reasonably general measurement model. The starting point for our analysis is the quantum trajectory description of the measurement process. The physics behind the quantum trajectory ...
... In this section we derive the rate at which a continuous measurement extracts information from a quantum system for a reasonably general measurement model. The starting point for our analysis is the quantum trajectory description of the measurement process. The physics behind the quantum trajectory ...
Manipulating and Measuring the Quantum State of Photons and Atoms
... rough msmt of a given rate first and then deciding how long to acquire data on that point. (b) Could also measure populations first, and then avoid wasting time on coherences which would close to 0. (c) Even if r has only a few significant eigenvalues, is there a way to quickly figure out in which b ...
... rough msmt of a given rate first and then deciding how long to acquire data on that point. (b) Could also measure populations first, and then avoid wasting time on coherences which would close to 0. (c) Even if r has only a few significant eigenvalues, is there a way to quickly figure out in which b ...
Chapter 7 The Collapse of the Wave Function
... We have also said that x spin and z spin can’t be known at the same time, so if 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 ...
... We have also said that x spin and z spin can’t be known at the same time, so if 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 ...
Chapter 4
... Pilot-Wave: From this perspective, quanta are simultaneously both particle and wave: localized particles follow trajectories determined by a physically real quantum wave. In the double-‐slit ex ...
... Pilot-Wave: From this perspective, quanta are simultaneously both particle and wave: localized particles follow trajectories determined by a physically real quantum wave. In the double-‐slit ex ...