Composing Quantum Protocols in a Classical Environment
... work was required to establish the right security definition [13,23,2,22,17]. Security definitions for general quantum protocols have first been proposed in [14] and subsequently been refined for the case of quantum multi-party computation in [26]. In [3,27], strong security definitions for general quant ...
... work was required to establish the right security definition [13,23,2,22,17]. Security definitions for general quantum protocols have first been proposed in [14] and subsequently been refined for the case of quantum multi-party computation in [26]. In [3,27], strong security definitions for general quant ...
Claude Cohen-Tannoudji Scott Lectures Cambridge, March 9 2011
... corresponding to 2 possible paths which can be followed by atoms Can we calculate the phase shift between the 2 wave functions due to various causes (free propagation, laser, external or inertial fields)? The 2 possible paths are represented in the figure above by lines which suggest trajectories of ...
... corresponding to 2 possible paths which can be followed by atoms Can we calculate the phase shift between the 2 wave functions due to various causes (free propagation, laser, external or inertial fields)? The 2 possible paths are represented in the figure above by lines which suggest trajectories of ...
Paradox in Wave-Particle Duality
... horizontal axis, and a and b are constants.(25) Near the center of the interference pattern the term that contains the Bessel function is nearly 1, and the cos2 (bx) term is the dominant factor in the formula. By expanding the cos2 (bx) term the irradiance near a dark fringe is given by I = Io b2 s ...
... horizontal axis, and a and b are constants.(25) Near the center of the interference pattern the term that contains the Bessel function is nearly 1, and the cos2 (bx) term is the dominant factor in the formula. By expanding the cos2 (bx) term the irradiance near a dark fringe is given by I = Io b2 s ...
Introduction to quantum spin systems
... |J2| > |J1/2|. The ratio of J1/J2 is fixed by the components defined in the two family of materials mentioned before. I have just mentioned few number of novel effects in quantum magnetism. There are other aspects of this field which are part of current research activities like frustrated spin syste ...
... |J2| > |J1/2|. The ratio of J1/J2 is fixed by the components defined in the two family of materials mentioned before. I have just mentioned few number of novel effects in quantum magnetism. There are other aspects of this field which are part of current research activities like frustrated spin syste ...
Quantum Mechanical Path Integrals with Wiener Measures for all
... paths, or as limits of such integrals, have been largely unrewarding. 2 In our earlier work on this subject we have succeeded in establishing quantum mechanical path integrals with genuine measures for the limited class of quadratic Hamiltonians. In this paper, taking an alternative but closely rela ...
... paths, or as limits of such integrals, have been largely unrewarding. 2 In our earlier work on this subject we have succeeded in establishing quantum mechanical path integrals with genuine measures for the limited class of quadratic Hamiltonians. In this paper, taking an alternative but closely rela ...
2. The HameroffŁs gap junction tunneling
... environments (room temperature) and there are other, perhaps many other, nonequilibrium possibilities for coherence to exist and endure at macroscopic and thermally challenging scales, as for example, Frohlich has shown! Observable quantum effects in biological matter are expected to be strongly sup ...
... environments (room temperature) and there are other, perhaps many other, nonequilibrium possibilities for coherence to exist and endure at macroscopic and thermally challenging scales, as for example, Frohlich has shown! Observable quantum effects in biological matter are expected to be strongly sup ...
4. Linear Response
... driving force. To be concrete, we’ll chose to work in the language of quantum mechanics, but everything that we discuss in this section will also carry over to classical systems. Our goal is to understand how the correlation functions of the theory change when we turn on a source (or sources) φi (x) ...
... driving force. To be concrete, we’ll chose to work in the language of quantum mechanics, but everything that we discuss in this section will also carry over to classical systems. Our goal is to understand how the correlation functions of the theory change when we turn on a source (or sources) φi (x) ...
The Strong Free Will Theorem
... The TWIN Axiom: For twinned spin 1 particles, suppose experimenter A performs a triple experiment of measuring the squared spin component of particle a in three orthogonal directions x, y, z, while experimenter B measures the twinned particle b in one direction, w. Then if w happens to be in the sam ...
... The TWIN Axiom: For twinned spin 1 particles, suppose experimenter A performs a triple experiment of measuring the squared spin component of particle a in three orthogonal directions x, y, z, while experimenter B measures the twinned particle b in one direction, w. Then if w happens to be in the sam ...
Quantum networking with single ions J¨ urgen Eschner
... that averages over all possibilities of previous red photon emission. The mixing will be small or large if the branching ratio favors strongly blue or red emission, respectively [28, 29, 30]. A pure state, or Fourier-limited photon, requires that the probability for |P i → |Di decay be very small (o ...
... that averages over all possibilities of previous red photon emission. The mixing will be small or large if the branching ratio favors strongly blue or red emission, respectively [28, 29, 30]. A pure state, or Fourier-limited photon, requires that the probability for |P i → |Di decay be very small (o ...
Quantum memory for superconducting qubits 兲
... approach would be to introduce phenomenological dissipation and decoherence rates for the qubit and resonator, and calculate the fidelity from the density matrix equation of motion. However, the resulting fidelity versus gate speed curve would then depend sensitively on the assumed dissipation and d ...
... approach would be to introduce phenomenological dissipation and decoherence rates for the qubit and resonator, and calculate the fidelity from the density matrix equation of motion. However, the resulting fidelity versus gate speed curve would then depend sensitively on the assumed dissipation and d ...
http://www.garfield.library.upenn.edu/small/hsmallrecapturingphysics1986.pdf
... that the two most cited items both had t o do with the quantum nature oflight: from a n experimental verification (the Compton effect) to a n earlier (1917) theoretical justification by Einstein. We note on the time series the coincident peaks from 1924 t o 1925 for both papers. Two clear items with ...
... that the two most cited items both had t o do with the quantum nature oflight: from a n experimental verification (the Compton effect) to a n earlier (1917) theoretical justification by Einstein. We note on the time series the coincident peaks from 1924 t o 1925 for both papers. Two clear items with ...
10 Time Reversal Symmetry in Quantum Mechanics
... If x → x, p → −p under time reversal, then this commutation relation no longer holds. How to solve this problem? It was realized by Wigner that in quantum mechanics, time reversal has to be defined in a very special way different from all other symmetries. Time reversal operator is anti-unitary: it ...
... If x → x, p → −p under time reversal, then this commutation relation no longer holds. How to solve this problem? It was realized by Wigner that in quantum mechanics, time reversal has to be defined in a very special way different from all other symmetries. Time reversal operator is anti-unitary: it ...
Quantum Effects Through a Fractal Theory of Motion
... Both definitions are equivalent in the differentiable case dt → − dt. In the non-differentiable situation, these definitions are no longer valid, since limits are not defined anymore. Fractal theory defines physics in relationship with the function behavior during the “zoom” operation on the time re ...
... Both definitions are equivalent in the differentiable case dt → − dt. In the non-differentiable situation, these definitions are no longer valid, since limits are not defined anymore. Fractal theory defines physics in relationship with the function behavior during the “zoom” operation on the time re ...
The Many- Worlds Interpreta tion of Quantum Mechanics
... 2 In the words of von Neumann ([17], p. 418): ..... it is a fundamental requirement of the scientific viewpoint - the so-called principle of the psycho-physical parallelism - that it must be possible so to describe the extra-physical process of the subjective perception as if it were in reality in t ...
... 2 In the words of von Neumann ([17], p. 418): ..... it is a fundamental requirement of the scientific viewpoint - the so-called principle of the psycho-physical parallelism - that it must be possible so to describe the extra-physical process of the subjective perception as if it were in reality in t ...
Resource Letter SPE-1: Single-Photon Experiments in the Undergraduate Laboratory
... theories of our times. With unparalleled accuracy and predictive power, it allows us to comprehend nature at its most fundamental level. At the same time, it forces us to sacrifice many of our deeply rooted beliefs. It maintains nonrealism: objects or systems do not have an inherent or defined reali ...
... theories of our times. With unparalleled accuracy and predictive power, it allows us to comprehend nature at its most fundamental level. At the same time, it forces us to sacrifice many of our deeply rooted beliefs. It maintains nonrealism: objects or systems do not have an inherent or defined reali ...