What Is Quantum Information? - Quantum Theory Group at CMU
... – Interesting analogy, but what are the details? • Deutsch and Hayden (2000) ◦ Technical idea using Heisenberg representation – Causality, not information in Shannon sense • Brukner and Zeilinger (2001) ◦ Shannon ideas don’t work in quantum domain – But they do, if quantum probabilities correctly de ...
... – Interesting analogy, but what are the details? • Deutsch and Hayden (2000) ◦ Technical idea using Heisenberg representation – Causality, not information in Shannon sense • Brukner and Zeilinger (2001) ◦ Shannon ideas don’t work in quantum domain – But they do, if quantum probabilities correctly de ...
PAGE Marie Curie actions Intra-European Fellowships Part B
... straightforward to show that if the principles of quantum theory hold right down to very small length scales where gravitational forces come into play then the familiar picture of spacetime as a manifold must be abandoned. But since we have no experimental information and there is no firmly establis ...
... straightforward to show that if the principles of quantum theory hold right down to very small length scales where gravitational forces come into play then the familiar picture of spacetime as a manifold must be abandoned. But since we have no experimental information and there is no firmly establis ...
Solutions of the Equations of Motion in Classical and Quantum
... The expectation values of the quantum operators have been. studied before in several papers of which the most representative are perhaps those by J. Schwinger [2] (where the Schwinger action principle is used) and R. P. Feynman and F. L. Vernon [3] (where the Feynman path integral method is used). W ...
... The expectation values of the quantum operators have been. studied before in several papers of which the most representative are perhaps those by J. Schwinger [2] (where the Schwinger action principle is used) and R. P. Feynman and F. L. Vernon [3] (where the Feynman path integral method is used). W ...
Transition metal configurations and limitations of the orbital
... and it remains as the basis for some of the most accurate atomic wave functions that have been computed (16). We turn now toadeeper and more generalobjection to the in attrihutinga useof orbitals. Theorhitala~~roachconsists set of four quantum numberst0 each electron in an atom,-as was first suggest ...
... and it remains as the basis for some of the most accurate atomic wave functions that have been computed (16). We turn now toadeeper and more generalobjection to the in attrihutinga useof orbitals. Theorhitala~~roachconsists set of four quantum numberst0 each electron in an atom,-as was first suggest ...
AD26188191
... quantum tagging. A patent for position basedquantum cryptography known as US-patent [13] was granted in 2006, and scientific literature published results in 2010.[14] Several position-based quantum cryptography protocols have been suggested mostly using quantum entanglement. III. QKD AND QUBITS Quan ...
... quantum tagging. A patent for position basedquantum cryptography known as US-patent [13] was granted in 2006, and scientific literature published results in 2010.[14] Several position-based quantum cryptography protocols have been suggested mostly using quantum entanglement. III. QKD AND QUBITS Quan ...
Lecture 5
... Conclusion: BQP does not contain uncomputable functions Widely believed that P=BPP On the other hand the factorization problem is BQP, not known to be in BPP Generally considered (very) unlikely BQP=PSPACE, or NPµBQP, i.e. not likely that we can solve NP -complete problems ...
... Conclusion: BQP does not contain uncomputable functions Widely believed that P=BPP On the other hand the factorization problem is BQP, not known to be in BPP Generally considered (very) unlikely BQP=PSPACE, or NPµBQP, i.e. not likely that we can solve NP -complete problems ...
ValenciaHiesmayr2008
... Bell inequality sensitive to strangeness violated? Can we violate the BI for a certain initial state and if, what is the maximum value? Hiesmayr, Eur. Phys. J. C (2007) ...
... Bell inequality sensitive to strangeness violated? Can we violate the BI for a certain initial state and if, what is the maximum value? Hiesmayr, Eur. Phys. J. C (2007) ...
Photonic Communications and Quantum Information Storage
... Photonic modulation can be used, respectively, to reliably transport classical information bits as well as quantum information qubits, see Figure 1. Using the “secondquantization” of the electromagnetic field, quantum mechanical models for coherent photonic states and Shannon’s sphere-packing argume ...
... Photonic modulation can be used, respectively, to reliably transport classical information bits as well as quantum information qubits, see Figure 1. Using the “secondquantization” of the electromagnetic field, quantum mechanical models for coherent photonic states and Shannon’s sphere-packing argume ...
Parallel Universes
... 1.This type of parallel universes is sort of a catch-all for other mathematical structures which we can conceive of, but which we don't observe as physical realities in our universe. 2.The Level 4 parallel universes are ones which are governed by different equations from those that govern our univer ...
... 1.This type of parallel universes is sort of a catch-all for other mathematical structures which we can conceive of, but which we don't observe as physical realities in our universe. 2.The Level 4 parallel universes are ones which are governed by different equations from those that govern our univer ...
Parallel Universes
... 1.This type of parallel universes is sort of a catch-all for other mathematical structures which we can conceive of, but which we don't observe as physical realities in our universe. 2.The Level 4 parallel universes are ones which are governed by different equations from those that govern our univer ...
... 1.This type of parallel universes is sort of a catch-all for other mathematical structures which we can conceive of, but which we don't observe as physical realities in our universe. 2.The Level 4 parallel universes are ones which are governed by different equations from those that govern our univer ...
An introduction to quantum probability, quantum mechanics, and
... Quantum mechanics is one of the most surprising sides of modern physics. Its basic precepts require only undergraduate or early graduate mathematics; but because quantum mechanics is surprising, it is more difficult than these prerequisites suggest. Moreover, the rigorous and clear rules of quantum ...
... Quantum mechanics is one of the most surprising sides of modern physics. Its basic precepts require only undergraduate or early graduate mathematics; but because quantum mechanics is surprising, it is more difficult than these prerequisites suggest. Moreover, the rigorous and clear rules of quantum ...
The method of molecular rays O S
... esis of the quantum theory was the celebrated experiment of Franck and Hertz. These workers proved that the energy of one atom can be changed only by finite amounts. By bombarding mercury atoms with electrons they found that the electrons did lose energy only if their energy was higher than 4.7 eV. ...
... esis of the quantum theory was the celebrated experiment of Franck and Hertz. These workers proved that the energy of one atom can be changed only by finite amounts. By bombarding mercury atoms with electrons they found that the electrons did lose energy only if their energy was higher than 4.7 eV. ...
Quantum and Classical Correlations in Quantum Brownian Motion
... It is the aim of this Letter to revisit the question of the creation of entanglement in quantum Brownian motion with recent powerful methods from quantum information theory [5,6]. Our analysis will be split into two parts. In the first part we will show that surprisingly, quantum Brownian motion doe ...
... It is the aim of this Letter to revisit the question of the creation of entanglement in quantum Brownian motion with recent powerful methods from quantum information theory [5,6]. Our analysis will be split into two parts. In the first part we will show that surprisingly, quantum Brownian motion doe ...
Sourcing semiclassical gravity from spontaneously localized
... problems. The most obvious one is that such a semiclassical coupling means nonlinear deterministic quantum mechanics and, as we mentioned earlier, this in itself leads to fatal anomalies. The problem does not come from the way the gravitational potential is introduced in the Schrödinger–von Neumann ...
... problems. The most obvious one is that such a semiclassical coupling means nonlinear deterministic quantum mechanics and, as we mentioned earlier, this in itself leads to fatal anomalies. The problem does not come from the way the gravitational potential is introduced in the Schrödinger–von Neumann ...