Quantum cryptography
... be a state of two very distant particles, for example on two planets Measurement of one of the particles, with respect to the standard basis, makes the above state to collapse to one of the states |00> or |11>. This means that subsequent measurement of other particle (on another planet) provides the ...
... be a state of two very distant particles, for example on two planets Measurement of one of the particles, with respect to the standard basis, makes the above state to collapse to one of the states |00> or |11>. This means that subsequent measurement of other particle (on another planet) provides the ...
Basic elements of quantum information technology
... and q if you are given just N .) The hardness of factoring forms the basis for public key cryptosystems 4 such as RSA [6]; these are very widely used today so the cracking of the factoring problem would have major implications! I'll brie y use these two examples, cryptography and computation, to hig ...
... and q if you are given just N .) The hardness of factoring forms the basis for public key cryptosystems 4 such as RSA [6]; these are very widely used today so the cracking of the factoring problem would have major implications! I'll brie y use these two examples, cryptography and computation, to hig ...
An introduction to Quantum Complexity
... BQP is closed under complement BQP is closed under intersection (and union) ...
... BQP is closed under complement BQP is closed under intersection (and union) ...
Topics in Applied Physics Volume 115
... The spin degree-of-freedom is offering a wide range of intriguing opportunities both in fundamental as well as in applied solid-state physics. When combined with the rich and fertile physics of low-dimensional semiconducting structures and with the possibility to change, for example, carrier density, ...
... The spin degree-of-freedom is offering a wide range of intriguing opportunities both in fundamental as well as in applied solid-state physics. When combined with the rich and fertile physics of low-dimensional semiconducting structures and with the possibility to change, for example, carrier density, ...
REF2
... Hilbert spaces — and that quantum information allows tasks to be performed that could only be achieved far less efficiently, if at all, using classical information. The best known example is quantum key distribution (QKD)1–3. In fact, there is another motivation, at least equally important to most p ...
... Hilbert spaces — and that quantum information allows tasks to be performed that could only be achieved far less efficiently, if at all, using classical information. The best known example is quantum key distribution (QKD)1–3. In fact, there is another motivation, at least equally important to most p ...
Quantum Computing - Department of Computing
... any electron passes. Then, as expected, the probability distribution of the electron position, when slit 2 (respectively, slit 1), is closed, is P1 (x) (respectively, P2 (x)). However, if both slits are open the distribution will be 21 (P1 (x) + P2 (x)) i.e. the electrons behave like particles again ...
... any electron passes. Then, as expected, the probability distribution of the electron position, when slit 2 (respectively, slit 1), is closed, is P1 (x) (respectively, P2 (x)). However, if both slits are open the distribution will be 21 (P1 (x) + P2 (x)) i.e. the electrons behave like particles again ...
A REPORT ON QUANTUM COMPUTING
... In the classical model of a computer, the most fundamental building block, the bit, can only exist in one of two distinct states, a 0 or a 1. In a quantum computer the rules are changed. Not only can a 'quantum bit', usually referred to as a 'qubit', exist in the classical 0 and 1 states, it can als ...
... In the classical model of a computer, the most fundamental building block, the bit, can only exist in one of two distinct states, a 0 or a 1. In a quantum computer the rules are changed. Not only can a 'quantum bit', usually referred to as a 'qubit', exist in the classical 0 and 1 states, it can als ...
Spin-to-orbital conversion of the angular momentum of light and its
... fields. LC q -plates can be then manufactured as thin (order of 5–10 µm) LC films, sandwiched between two glass substrates which have been previously coated with a suitable alignment layer, typically made of polymer, such as polyimide or other materials. These materials are suitable for aligning the ...
... fields. LC q -plates can be then manufactured as thin (order of 5–10 µm) LC films, sandwiched between two glass substrates which have been previously coated with a suitable alignment layer, typically made of polymer, such as polyimide or other materials. These materials are suitable for aligning the ...
- Quantum Optics Group
... fields. LC q -plates can be then manufactured as thin (order of 5–10 μm) LC films, sandwiched between two glass substrates which have been previously coated with a suitable alignment layer, typically made of polymer, such as polyimide or other materials. These materials are suitable for aligning the ...
... fields. LC q -plates can be then manufactured as thin (order of 5–10 μm) LC films, sandwiched between two glass substrates which have been previously coated with a suitable alignment layer, typically made of polymer, such as polyimide or other materials. These materials are suitable for aligning the ...
Understanding the effects of leakage in superconducting quantum-error-detection circuits hosh, wler, Martinis,
... “qubit” Hilbert space. For such realizations of physical qubits, there exists a finite probability that the population tunnels out of the computational subspace, a phenomenon often referred to as leakage [1–3]. Understanding the effects of leakage is important for superconducting qubits not only bec ...
... “qubit” Hilbert space. For such realizations of physical qubits, there exists a finite probability that the population tunnels out of the computational subspace, a phenomenon often referred to as leakage [1–3]. Understanding the effects of leakage is important for superconducting qubits not only bec ...
Decoherence of a Quantum Bit Circuit
... provided by the hyperfine interaction with a bound electron around each impurity. Each qubit is controlled by applying a voltage to an A gate electrode that displaces slightly the wavefunction of the bound electron, and thus modifies the hyperfine interaction. The two qubit operations are performed ...
... provided by the hyperfine interaction with a bound electron around each impurity. Each qubit is controlled by applying a voltage to an A gate electrode that displaces slightly the wavefunction of the bound electron, and thus modifies the hyperfine interaction. The two qubit operations are performed ...
Introduction to Quantum Information Science
... Quantum Information Science is the amalgamation of Computer Science, Quantum Physics, and Information Theory, so we will begin by looking at the relevant history of these three elds. At the turn of the 20th Century physicists were trying to explain a plethora of phenomena and experimental results u ...
... Quantum Information Science is the amalgamation of Computer Science, Quantum Physics, and Information Theory, so we will begin by looking at the relevant history of these three elds. At the turn of the 20th Century physicists were trying to explain a plethora of phenomena and experimental results u ...
3. Traditional Models of Computation - UF CISE
... Theoretical models of computing—Key model components. Now, what do we mean by a theoretical model of computing? In general, a theoretical model of any size computer (whether “nano” or not) can involve a number of different aspects that are relevant to computer engineering, any of which may be more o ...
... Theoretical models of computing—Key model components. Now, what do we mean by a theoretical model of computing? In general, a theoretical model of any size computer (whether “nano” or not) can involve a number of different aspects that are relevant to computer engineering, any of which may be more o ...
Current State of Quantum Computing
... than in current processors. Despite this fact, we are still facing a very difficult problem, error correction. Quantum computers have the tendancy to enter an inconsistent state just by being exposed to the environment. This is unavoidable since just by reading the state of a qubit will force it to ...
... than in current processors. Despite this fact, we are still facing a very difficult problem, error correction. Quantum computers have the tendancy to enter an inconsistent state just by being exposed to the environment. This is unavoidable since just by reading the state of a qubit will force it to ...
Braunstein
... Computational complexity: how the `time’ to complete an algorithm scales with the size of the input. ...
... Computational complexity: how the `time’ to complete an algorithm scales with the size of the input. ...
Coherence and Spin in GaAs Quantum Dots
... from ∼ 200 statistically independent samples (see text) as a function of perpendicular magnetic field B⊥ for (a) 8.0 µm2 dot (b) 5.8 µm2 center-gated dot and (c) 1.2 µm2 dot at T = 0.3 K, along with fits to RMT (solid curves). In (b), the center gate is fully depleted. Vertical lines indicate the fitti ...
... from ∼ 200 statistically independent samples (see text) as a function of perpendicular magnetic field B⊥ for (a) 8.0 µm2 dot (b) 5.8 µm2 center-gated dot and (c) 1.2 µm2 dot at T = 0.3 K, along with fits to RMT (solid curves). In (b), the center gate is fully depleted. Vertical lines indicate the fitti ...
