1.01
... Entanglement Purification and Distillation extract a subset of states of high entanglement and high purity from a large set of less entangled states. ...
... Entanglement Purification and Distillation extract a subset of states of high entanglement and high purity from a large set of less entangled states. ...
Br - Research
... of light, and in particular why did Max Planck, widely known as the founder of quantum theory, reject its application in this case? Sections 4, 5, and 6 present the theoretical proposals of Einstein and Compton and their experimental testing by Millikan, Compton and others; these sections are relati ...
... of light, and in particular why did Max Planck, widely known as the founder of quantum theory, reject its application in this case? Sections 4, 5, and 6 present the theoretical proposals of Einstein and Compton and their experimental testing by Millikan, Compton and others; these sections are relati ...
Invitation to Local Quantum Physics
... Conclusion: Localization in terms of position operators is incompatible with causality in relativistic quantum physics. Way out: Shift from localization of ‘wave functions’ to localization of operators (‘observables’, or ‘operations’). Space-time coordinates appear as variables of quantum fields. C ...
... Conclusion: Localization in terms of position operators is incompatible with causality in relativistic quantum physics. Way out: Shift from localization of ‘wave functions’ to localization of operators (‘observables’, or ‘operations’). Space-time coordinates appear as variables of quantum fields. C ...
Doubly infinite separation of quantum information and communication Please share
... compared with its classical counterpart. For constant nonzero probability of error, the gap between classical information and communication complexities is at most exponential for any communication task [9,10]. For zero and asymptotically vanishing probability of error, the largest known gap is cons ...
... compared with its classical counterpart. For constant nonzero probability of error, the gap between classical information and communication complexities is at most exponential for any communication task [9,10]. For zero and asymptotically vanishing probability of error, the largest known gap is cons ...
PACS numbers: 32.80.Pj, 42.50.Vk, 89.80.+h In a quantum computer
... values of l as a function of the experimental coherence time for the three species of ions discussed above. As τe increases, the largest number that can be factored also increases, until the limit due to spontaneous emission discussed above is attained. The slowest heating rate for a single trapped ...
... values of l as a function of the experimental coherence time for the three species of ions discussed above. As τe increases, the largest number that can be factored also increases, until the limit due to spontaneous emission discussed above is attained. The slowest heating rate for a single trapped ...
Quantum State Transfer via Noisy Photonic and Phononic Waveguides
... superposition state to the second cavity as above [45]. (iii) We perform the time-inverse of step (i) in the second node. This QST protocol generalizes to several atoms as a quantum register representing an entangled state of qubits, which can either be transferred sequentially or mapped collectivel ...
... superposition state to the second cavity as above [45]. (iii) We perform the time-inverse of step (i) in the second node. This QST protocol generalizes to several atoms as a quantum register representing an entangled state of qubits, which can either be transferred sequentially or mapped collectivel ...
Quantum effects in classical systems having complex energy
... a classical particle the energy spectrum is discrete. While classical mechanics consists of nothing more than solving a differential equation to find the exact trajectory of a particle, quantum mechanics is an abstract theory in which the physical state of the system is represented by a vector in a ...
... a classical particle the energy spectrum is discrete. While classical mechanics consists of nothing more than solving a differential equation to find the exact trajectory of a particle, quantum mechanics is an abstract theory in which the physical state of the system is represented by a vector in a ...
Contents - L`esperimento più bello della fisica
... • Classical physics is the physics of the motion, energies, and interactions of objects in the everyday world around us. • In the double-slit experiment, tennis balls and all other classical particles move as localized particles through the slits and once they hit the screen they produce the followi ...
... • Classical physics is the physics of the motion, energies, and interactions of objects in the everyday world around us. • In the double-slit experiment, tennis balls and all other classical particles move as localized particles through the slits and once they hit the screen they produce the followi ...
... influence of temperature than ion trap qubits. In fact, spin lifetimes up to 20 milliseconds have been reported 5. This technology is easily scalable as additional nodes for the quantum network are generated by just creating additional cavities with embedded QDs in the photonic chip. Besides, beca ...
Implementing and Characterizing Precise Multiqubit Measurements
... Like any precise operation in a large Hilbert space, it also benefits significantly from high coherence and low residual couplings, as achieved in our device. Any implementation that can realize a similar Hamiltonian is also suitable for this measurement protocol. III. MEASUREMENT CHARACTERIZATION W ...
... Like any precise operation in a large Hilbert space, it also benefits significantly from high coherence and low residual couplings, as achieved in our device. Any implementation that can realize a similar Hamiltonian is also suitable for this measurement protocol. III. MEASUREMENT CHARACTERIZATION W ...
Quantum Mechanics from Self
... identified with the energy and angular momentum of electromagnetic self-interaction. This puts the electron self-interaction problem in a new light. It tells us that the selfenergy problem cannot be solved without solving a related self-angular momentum problem. It suggests that the self-interaction ...
... identified with the energy and angular momentum of electromagnetic self-interaction. This puts the electron self-interaction problem in a new light. It tells us that the selfenergy problem cannot be solved without solving a related self-angular momentum problem. It suggests that the self-interaction ...
Half-integral weight Eichler integrals and quantum modular forms
... a quantum modular form of weight k is a complex-valued function f on Q whose modular obstructions, or cocycles, f |k (1 − γ) are “nicer” than the original function in some analytic way. For example, f is usually only well-defined on Q, whereas f |k (1 − γ) typically extends to an open set of R and i ...
... a quantum modular form of weight k is a complex-valued function f on Q whose modular obstructions, or cocycles, f |k (1 − γ) are “nicer” than the original function in some analytic way. For example, f is usually only well-defined on Q, whereas f |k (1 − γ) typically extends to an open set of R and i ...
Lecture Notes for Ph219/CS219: Quantum Information and Computation Chapter 2 John Preskill
... to beg for an explanation. But far more curious is a mysterious dualism; there are two quite distinct ways for a quantum state to change. On the one hand there is unitary evolution, which is deterministic. If we specify the initial state |ψ(0)i, the theory predicts the state |ψ(t)i at a later time. ...
... to beg for an explanation. But far more curious is a mysterious dualism; there are two quite distinct ways for a quantum state to change. On the one hand there is unitary evolution, which is deterministic. If we specify the initial state |ψ(0)i, the theory predicts the state |ψ(t)i at a later time. ...
The Physical Implementation of Quantum Computation David P. DiVincenzo
... of the quantum computation grows. So, once the desired threshold is attainable, decoherence will not be an obstacle to scalable quantum computation. Having said this, it must be admitted that it will be some time before it is even possible to subject quantum error correction to a reasonable test. Ne ...
... of the quantum computation grows. So, once the desired threshold is attainable, decoherence will not be an obstacle to scalable quantum computation. Having said this, it must be admitted that it will be some time before it is even possible to subject quantum error correction to a reasonable test. Ne ...
Heralded atomic-ensemble quantum memory for photon polarization states
... through this area many times using mirrors with very low loss [10]. In the optical domain an opacity (or resonant optical depth η) of ∼100 can be achieved in this way [10, 11]. An alternative method for increasing the optical depth is to use an ensemble [1–5], [12], rather than a single particle. It ...
... through this area many times using mirrors with very low loss [10]. In the optical domain an opacity (or resonant optical depth η) of ∼100 can be achieved in this way [10, 11]. An alternative method for increasing the optical depth is to use an ensemble [1–5], [12], rather than a single particle. It ...
Ontological Status of Molecular Structure - HYLE-
... be individually known by us, within limits imposed by our senses and brain, as existing and distinct from other objects. We also accept the classical view that ordinary intuitive existence judgments can be taken as starting points for a critical analysis, needed anyway to determine, as the case may ...
... be individually known by us, within limits imposed by our senses and brain, as existing and distinct from other objects. We also accept the classical view that ordinary intuitive existence judgments can be taken as starting points for a critical analysis, needed anyway to determine, as the case may ...