Long Distance, Unconditional Teleportation of Atomic States V 87, N
... cavities, with their respective atoms either physically displaced or optically detuned so that no A-to-B absorptions occur. After a short loading interval (a few cold-cavity lifetimes, say, 400 ns), each atom is moved (or tuned) into the absorbing position and B-to-D pumping is initiated. After abou ...
... cavities, with their respective atoms either physically displaced or optically detuned so that no A-to-B absorptions occur. After a short loading interval (a few cold-cavity lifetimes, say, 400 ns), each atom is moved (or tuned) into the absorbing position and B-to-D pumping is initiated. After abou ...
Connecting processing-capable quantum memories over telecommunication links via quantum frequency conversion
... as a processing-capable QM, when coupled strongly to a cavity photon. However, such a system requires the use of a high finesse cavity with a microscopic volume. This geometry severely constrains the usage of such a system. An alternative approach makes use of an ensemble of atoms as the quantum sys ...
... as a processing-capable QM, when coupled strongly to a cavity photon. However, such a system requires the use of a high finesse cavity with a microscopic volume. This geometry severely constrains the usage of such a system. An alternative approach makes use of an ensemble of atoms as the quantum sys ...
Presentation
... More on Definiteness • CFD might seem to imply‘realism’. This is probably what EPR were trying to say with their ‘elements of reality’. • The reverse is not true. Realism does not imply CFD. If one considered a photon wave function (which may be a superposition) to be real, it still would not imply ...
... More on Definiteness • CFD might seem to imply‘realism’. This is probably what EPR were trying to say with their ‘elements of reality’. • The reverse is not true. Realism does not imply CFD. If one considered a photon wave function (which may be a superposition) to be real, it still would not imply ...
Co-requisite modules
... operators, Stern-Gerlach experiment and measurement, angular momentum addition theorem. Interpretation of quantum mechanics: measurement in quantum mechanics, reduction of the state vector; the EPR experiment and classical versus quantum entanglement, Bell’s inequalities, other interpretations of me ...
... operators, Stern-Gerlach experiment and measurement, angular momentum addition theorem. Interpretation of quantum mechanics: measurement in quantum mechanics, reduction of the state vector; the EPR experiment and classical versus quantum entanglement, Bell’s inequalities, other interpretations of me ...
Level Repulsion of Localized Excitons in Disordered Quantum Wells
... Here, the notation h i denotes the average over the measured spots in the experiment or over an ensemble of disorder realizations in the simulation. The quantity In ðEÞ represents the n-th optical spectrum of the ensemble under consideration. In our theory, we simulate the optical density spectr ...
... Here, the notation h i denotes the average over the measured spots in the experiment or over an ensemble of disorder realizations in the simulation. The quantity In ðEÞ represents the n-th optical spectrum of the ensemble under consideration. In our theory, we simulate the optical density spectr ...
ppt
... – Later to transport bit A from one side to the other we: » Perform operation between A and X, yielding two classical bits » Send the two bits to the other side » Use the two bits to operate on Y » Poof! State of bit A appears in place of Y ...
... – Later to transport bit A from one side to the other we: » Perform operation between A and X, yielding two classical bits » Send the two bits to the other side » Use the two bits to operate on Y » Poof! State of bit A appears in place of Y ...
Quantum telescopes
... can be seen through a microscope, they have a position. In contrast, particles described by quantum mechanics – e.g. electrons, protons, photons – do not have a position. Their positions are extended and this is lucky, since – if they could assume a point-like position – the negatively charged elect ...
... can be seen through a microscope, they have a position. In contrast, particles described by quantum mechanics – e.g. electrons, protons, photons – do not have a position. Their positions are extended and this is lucky, since – if they could assume a point-like position – the negatively charged elect ...
How Fractional Charge on an Electron in the Momentum Space is
... overwhelming centrifugal potential as compare to electrodynamic potential, the electron quanta string is self ----twisted and twigged (swirling effect). The charge on electron quanta is distributed on twigs (sub quanta). These twigs are beaded sub-quanta on an electron string. The charge on electron ...
... overwhelming centrifugal potential as compare to electrodynamic potential, the electron quanta string is self ----twisted and twigged (swirling effect). The charge on electron quanta is distributed on twigs (sub quanta). These twigs are beaded sub-quanta on an electron string. The charge on electron ...
Can the Wave Function in Configuration Space Be Replaced by
... dynamical object in the picture, so to whatever extent the theory is able to extract and explain the elementary physical facts of everyday perceptual experience, it will have to do so exclusively on the basis of the wave function. For the quantum Bayesian, the wave function represents not something ...
... dynamical object in the picture, so to whatever extent the theory is able to extract and explain the elementary physical facts of everyday perceptual experience, it will have to do so exclusively on the basis of the wave function. For the quantum Bayesian, the wave function represents not something ...
13-QuantumMechanics
... The wave-particle duality is a little less disturbing if we think in terms of: Bohr’s Principle of Complementarity: It’s not possible to describe physical observables simultaneously in terms of both particles and waves. ...
... The wave-particle duality is a little less disturbing if we think in terms of: Bohr’s Principle of Complementarity: It’s not possible to describe physical observables simultaneously in terms of both particles and waves. ...
A critique of recent semi-classical spin-half quantum plasma theories
... constraints and FD statistics are essential. Thus, we must distinguish between T ≤ T F ‘quantum plasmas’, which must be described according to quantum many-body theory [and shown to be fully consistent with FD statistics, Fermi liquid theory, quantum Master equations etc.] and ‘fully ionized classic ...
... constraints and FD statistics are essential. Thus, we must distinguish between T ≤ T F ‘quantum plasmas’, which must be described according to quantum many-body theory [and shown to be fully consistent with FD statistics, Fermi liquid theory, quantum Master equations etc.] and ‘fully ionized classic ...
Quantum-Secure Coin-Flipping and Applications
... adversary is argued using rewinding of the adversary. But in general, rewinding as a proof technique cannot be directly applied, if Bob runs a quantum computer: First, the intermediate state of a quantum system cannot be copied [21], and second, quantum measurements are in general irreversible. Hen ...
... adversary is argued using rewinding of the adversary. But in general, rewinding as a proof technique cannot be directly applied, if Bob runs a quantum computer: First, the intermediate state of a quantum system cannot be copied [21], and second, quantum measurements are in general irreversible. Hen ...
Fidelity as a figure of merit in quantum error correction
... information integrity measures, such as Shannon’s “rate of transmission” [12] – nowadays referred to as mutual information [13, 14]. E.g, assume that Alice has three binary, classical channels to use for communicating with Bob, one with fidelity F = 1, one with F = 0.5 and one with F = 0. At a first ...
... information integrity measures, such as Shannon’s “rate of transmission” [12] – nowadays referred to as mutual information [13, 14]. E.g, assume that Alice has three binary, classical channels to use for communicating with Bob, one with fidelity F = 1, one with F = 0.5 and one with F = 0. At a first ...
Optimal Wavelength Allocation in Hybrid Quantum
... for our system parameters. For the QKD channels, these values are summarized in Table I. For the classical channels, we assume that on-off-keying signaling with a data rate of 1 GHz is used. The launch power of data lasers are set to I = 10(−3.5+αL/10) mW, which corresponds to -35 dBm receiver sensit ...
... for our system parameters. For the QKD channels, these values are summarized in Table I. For the classical channels, we assume that on-off-keying signaling with a data rate of 1 GHz is used. The launch power of data lasers are set to I = 10(−3.5+αL/10) mW, which corresponds to -35 dBm receiver sensit ...
Chapter 6 | Thermochemistry
... We are given the work functions for each of the elements (Ti = 6.94 10–19 J, Si = 7.24 10–19 J). Knowing the wavelength of the incident radiation (2.50 10–7 m), we can calculate the frequency of the incident radiation using = c/. Knowing , we can then calculate the kinetic energy of the ...
... We are given the work functions for each of the elements (Ti = 6.94 10–19 J, Si = 7.24 10–19 J). Knowing the wavelength of the incident radiation (2.50 10–7 m), we can calculate the frequency of the incident radiation using = c/. Knowing , we can then calculate the kinetic energy of the ...
