Quantum error correction
... only in two states, qubits can exist in coherent superposition of states |0i and |1i [3]. An arbitrary state of a qubit can be expressed as |φi = α |0i + β |1i . ...
... only in two states, qubits can exist in coherent superposition of states |0i and |1i [3]. An arbitrary state of a qubit can be expressed as |φi = α |0i + β |1i . ...
Entanglement for Pedestrians
... work as finished as possible, to cover all the tracks, to not worry about the blind alleys or to describe how you had the wrong idea first, and so on.” ...
... work as finished as possible, to cover all the tracks, to not worry about the blind alleys or to describe how you had the wrong idea first, and so on.” ...
Mechanical Proof of the Second Law of Thermodynamics Based on
... probability p(E)Ω(E)dE. The symbol Ω(E) denotes the “density of states” at energy E. Ω(E) is also named surface integral (Campisi, 2005) or structure function (Khinchin, 1949). For example, if we first place the system in thermal contact with a heat bath at temperature T , and then we remove the con ...
... probability p(E)Ω(E)dE. The symbol Ω(E) denotes the “density of states” at energy E. Ω(E) is also named surface integral (Campisi, 2005) or structure function (Khinchin, 1949). For example, if we first place the system in thermal contact with a heat bath at temperature T , and then we remove the con ...
Quantum Information Processing through Nuclear Magnetic
... states are those ones which can be written as ρ = ρA ⊗ ρB , and weakly separable those ones for which ρ = ∑i pi ρA,i ⊗ ρB,i where pi are probabilities for the occurrence of the product state “i”. Density matrices which cannot be written in either form are said to be entangled. It is not a simple mat ...
... states are those ones which can be written as ρ = ρA ⊗ ρB , and weakly separable those ones for which ρ = ∑i pi ρA,i ⊗ ρB,i where pi are probabilities for the occurrence of the product state “i”. Density matrices which cannot be written in either form are said to be entangled. It is not a simple mat ...
Technical Roadmap for Fault-Tolerant Quantum Computing
... classical counterpart. In classical computing, a state of n bits can be described using n numbers (zero or ones), while a state of n qubits can only be described using 2n-1 complex numbers, i.e. exponentially more information. This means that an exponential number of classical bits would be needed t ...
... classical counterpart. In classical computing, a state of n bits can be described using n numbers (zero or ones), while a state of n qubits can only be described using 2n-1 complex numbers, i.e. exponentially more information. This means that an exponential number of classical bits would be needed t ...
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... At a physical level, communication in the Multi-SIMD architecture is assumed to be achieved through quantum teleportation (QT), a phenomenon that makes transmission of exact qubit states possible. QT requires a pre-distribution of entangled Einstein-PodolskyRosen (EPR) pairs of qubits between the re ...
... At a physical level, communication in the Multi-SIMD architecture is assumed to be achieved through quantum teleportation (QT), a phenomenon that makes transmission of exact qubit states possible. QT requires a pre-distribution of entangled Einstein-PodolskyRosen (EPR) pairs of qubits between the re ...
3 Ion Trap Implementations
... If a string of trapped ions should be used for quantum computaion it is required to cool ions down to the ground state of their normal modes. (More recent proposal have weakened this requirement, but cooling is yet desirable). With laser cooling (Nobel prize for Chu, Cohen-Tannoudji, Phillips) tempe ...
... If a string of trapped ions should be used for quantum computaion it is required to cool ions down to the ground state of their normal modes. (More recent proposal have weakened this requirement, but cooling is yet desirable). With laser cooling (Nobel prize for Chu, Cohen-Tannoudji, Phillips) tempe ...
Exploring Quantum Physics with Superconducting Circuits
... How to Operate Circuits in the Quantum Regime? control circuit ...
... How to Operate Circuits in the Quantum Regime? control circuit ...
