Fano-Feshbach resonances in two
... The same classical system has also been analyzed [7] to exemplify typical behaviour of quantum systems with non-Hermitian operators. These operators occur for example in open quantum systems, which are in contact with an environment, and where resonances with complex energies appear. Other examples ...
... The same classical system has also been analyzed [7] to exemplify typical behaviour of quantum systems with non-Hermitian operators. These operators occur for example in open quantum systems, which are in contact with an environment, and where resonances with complex energies appear. Other examples ...
quantum states satisfying classical probability constraints
... 1. Introduction. The Bell [1] and the Clauser-Horne-Shimony-Holt (CHSH ) [2] inequalities, derived originally in the frame of the Bell local hidden variable model, describe the relations between the product expectation values under different joint measurements. In the frame of classical probability, ...
... 1. Introduction. The Bell [1] and the Clauser-Horne-Shimony-Holt (CHSH ) [2] inequalities, derived originally in the frame of the Bell local hidden variable model, describe the relations between the product expectation values under different joint measurements. In the frame of classical probability, ...
Quantum Computation with Topological Phases of Matter
... various physical manifestations. The important features of these phases include topological order – the ground state degeneracy that depends on the topology of the underlying 2D surface – as well as nontrivial, often fractional statistics of their excitations. The goal of this workshop was to both s ...
... various physical manifestations. The important features of these phases include topological order – the ground state degeneracy that depends on the topology of the underlying 2D surface – as well as nontrivial, often fractional statistics of their excitations. The goal of this workshop was to both s ...
Paper
... for speculative extensions of quantum mechanics where the collapse of the wave function is created by extra terms in a modified Schrödinger equation [14]. It is still an open question how close one can approach the limit of an infinite number of interrogations due to the Heisenberg uncertainty invo ...
... for speculative extensions of quantum mechanics where the collapse of the wave function is created by extra terms in a modified Schrödinger equation [14]. It is still an open question how close one can approach the limit of an infinite number of interrogations due to the Heisenberg uncertainty invo ...
Far-infrared Rydberg-Rydberg transitions in a magnetic field: Deexcitation of antihydrogen atoms
... done for a multi-electron system such as helium 关8,9兴. The hydrogenic ᐉ-m degeneracy of the n manifolds of the Rydberg series is lifted by the magnetic field. In a strong field, the manifolds of adjacent n states intersect. This is known as the n-mixing regime 共n ⬎ 43 for 0.85 T兲. Most of the previo ...
... done for a multi-electron system such as helium 关8,9兴. The hydrogenic ᐉ-m degeneracy of the n manifolds of the Rydberg series is lifted by the magnetic field. In a strong field, the manifolds of adjacent n states intersect. This is known as the n-mixing regime 共n ⬎ 43 for 0.85 T兲. Most of the previo ...
Subjective Bayesian probabilities
... information relative to A, but A does not have any inside information relative to A. The unique situation in which no other party can have one-way inside information relative to a party Z is when Z assigns a pure state. Z is said to have a maximal belief structure. Subjective Bayesian answer We trus ...
... information relative to A, but A does not have any inside information relative to A. The unique situation in which no other party can have one-way inside information relative to a party Z is when Z assigns a pure state. Z is said to have a maximal belief structure. Subjective Bayesian answer We trus ...
Verification of Concurrent Quantum Protocols by Equivalence
... not everyone is convinced that it is truly quantum. On the other hand, quantum communication and cryptography have made large strides and is now well established. Physical restrictions of quantum communication, like preserving photon states over long distances, are gradually being resolved, for exa ...
... not everyone is convinced that it is truly quantum. On the other hand, quantum communication and cryptography have made large strides and is now well established. Physical restrictions of quantum communication, like preserving photon states over long distances, are gradually being resolved, for exa ...
The Quantum Circuit Model and Universal Quantum Computation
... So far we have talked about quantum computations involving only a few qubits. In this lecture I’d like to begin to discuss how we might scale this up to more than a few qubits and to make something resembling a valid model of computation. To do proper justice to this task, we should probably review ...
... So far we have talked about quantum computations involving only a few qubits. In this lecture I’d like to begin to discuss how we might scale this up to more than a few qubits and to make something resembling a valid model of computation. To do proper justice to this task, we should probably review ...
Coherent manipulations of charge-number states in a Cooper-pair box Y. Nakamura,
... rate of Γqp1 , that sets the upper limit of the decoherence time of the qubit in our setup. Therefore, to see the effect of coherent dynamics in the qubit, a condition EJ h̄Γqp1 should be fulfilled. That is possible with a large probe-junction resistance Rb . Typically, we use Rb of 30–50 MΩ, which ...
... rate of Γqp1 , that sets the upper limit of the decoherence time of the qubit in our setup. Therefore, to see the effect of coherent dynamics in the qubit, a condition EJ h̄Γqp1 should be fulfilled. That is possible with a large probe-junction resistance Rb . Typically, we use Rb of 30–50 MΩ, which ...
Realism and Antirealism in Informational Foundations of
... the truth value of a proposition or that it “carries” one bit of information only implies a statement concerning what can be said about possible measurement results. For us a system is no more than a representative of a proposition. [9, p. 326] Considering this, Zeilinger and Kofler describe the fou ...
... the truth value of a proposition or that it “carries” one bit of information only implies a statement concerning what can be said about possible measurement results. For us a system is no more than a representative of a proposition. [9, p. 326] Considering this, Zeilinger and Kofler describe the fou ...
Experimental Creation and Measurement of Motional Quantum
... IV. Creation of various motional states and measurement of their number state population IV.1 Fock states A Fock state jni is a harmonic oscillator energy eigenstate, designated by the number n of energy quanta. Several techniques for creation of Fock states of motion have been proposed, using quant ...
... IV. Creation of various motional states and measurement of their number state population IV.1 Fock states A Fock state jni is a harmonic oscillator energy eigenstate, designated by the number n of energy quanta. Several techniques for creation of Fock states of motion have been proposed, using quant ...
Simultaneous Measurement
... brought thus to the striking conclusion that when a randomly selected qubit |ψ) is presented repeatedly first to an arbitrarily designed A-meter and then—in a separate run—to an arbitrarily designed B-meter, analysis of the data thus generated invariably shows the product ∆A∆B to be minimal.14 In hi ...
... brought thus to the striking conclusion that when a randomly selected qubit |ψ) is presented repeatedly first to an arbitrarily designed A-meter and then—in a separate run—to an arbitrarily designed B-meter, analysis of the data thus generated invariably shows the product ∆A∆B to be minimal.14 In hi ...
Quantum Computing - Computer Science and Engineering
... – Application of a “rotation” or phase shift to a qubit. – This is not measurement! – Can be viewed as matrix multiplication. ...
... – Application of a “rotation” or phase shift to a qubit. – This is not measurement! – Can be viewed as matrix multiplication. ...
Ch 27) Early Quantum Theory and Models of the Atom
... One of the observations that was unexplained at the end of the nineteenth century was the spectrum of light emitted by hot objects. We saw in Section 14–8 that all objects emit radiation whose total intensity is proportional to the fourth power of the Kelvin (absolute) temperature AT4 B. At normal t ...
... One of the observations that was unexplained at the end of the nineteenth century was the spectrum of light emitted by hot objects. We saw in Section 14–8 that all objects emit radiation whose total intensity is proportional to the fourth power of the Kelvin (absolute) temperature AT4 B. At normal t ...
Cosmic quantum measurement - Proceedings of the Royal Society A
... measurement, in which the results of the measurements agree with those of ordinary quantum theory, must have a preferred Lorentz frame. The theorem does not determine this frame. Bell’s theorem shows that measurement dynamics is non-local if the results of measurements follow the rules of ordinary q ...
... measurement, in which the results of the measurements agree with those of ordinary quantum theory, must have a preferred Lorentz frame. The theorem does not determine this frame. Bell’s theorem shows that measurement dynamics is non-local if the results of measurements follow the rules of ordinary q ...