Generating entangled spin states for quantum metrology by single-photon detection
... heralds the creation of an entangled state of collective atomic spin. The state thus produced is non-Gaussian in the sense that its phase-space representation on the Bloch sphere [17,18] is not described by a Gaussian distribution, unlike that of a CSS or even a moderately spin-squeezed state. Two o ...
... heralds the creation of an entangled state of collective atomic spin. The state thus produced is non-Gaussian in the sense that its phase-space representation on the Bloch sphere [17,18] is not described by a Gaussian distribution, unlike that of a CSS or even a moderately spin-squeezed state. Two o ...
Quantum measurements of coupled systems * L. Fedichkin, M. Shapiro,
... However, it is not of a QNDM type, both the amplitude and the phase of the excitation wave function are changed. The problem of measuring coupled qubits is related to the problem of localization. Localization of single-excitation stationary states is well understood since Anderson’s work 关4兴 on diso ...
... However, it is not of a QNDM type, both the amplitude and the phase of the excitation wave function are changed. The problem of measuring coupled qubits is related to the problem of localization. Localization of single-excitation stationary states is well understood since Anderson’s work 关4兴 on diso ...
Capacitive Coupling of Atomic Systems to Mesoscopic Conductors
... by the lack of probes which do not share the same environment. The Rydberg atoms could be used as a sensitive probe of these fluctuations that is controllably separated from the device itself. If the atoms are excited into a state with a large angular momentum where the Stark shift is linear, a sing ...
... by the lack of probes which do not share the same environment. The Rydberg atoms could be used as a sensitive probe of these fluctuations that is controllably separated from the device itself. If the atoms are excited into a state with a large angular momentum where the Stark shift is linear, a sing ...
Logical error rate in the Pauli twirling approximation Amara Katabarwa
... one approximates the true noise process as accurately as possible (with respect to some measure), and ideally with the additional property that the approximate channel upper-bounds the actual error. The first steps in this direction were taken by Magesan et al.5 and Gutiérrez et al.6 These investig ...
... one approximates the true noise process as accurately as possible (with respect to some measure), and ideally with the additional property that the approximate channel upper-bounds the actual error. The first steps in this direction were taken by Magesan et al.5 and Gutiérrez et al.6 These investig ...
Interpretation of quantum mechanics by the double solution theory
... the rest mass. The quantity Q0 is the “quantum potential” of the double solution theory. Its dependence on the variation of the wave function’s amplitude will be seen. III. Further study of the double solution theory Following the sketch of the double solution theory considered above, its fundamenta ...
... the rest mass. The quantity Q0 is the “quantum potential” of the double solution theory. Its dependence on the variation of the wave function’s amplitude will be seen. III. Further study of the double solution theory Following the sketch of the double solution theory considered above, its fundamenta ...
pdf
... 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 ...
hep-th/0302002 PDF - at www.arxiv.org.
... corrected. The calculations and derivations are relatively detailed; one of the reasons being that they or part of them are directly or, possibly, mutatis mutandis used in the next sections. Section 5 deals with the Schrödinger picture of motion. Regardless of the existence in the literature of som ...
... corrected. The calculations and derivations are relatively detailed; one of the reasons being that they or part of them are directly or, possibly, mutatis mutandis used in the next sections. Section 5 deals with the Schrödinger picture of motion. Regardless of the existence in the literature of som ...
APPENDIX A
... It was the author’s idea that, owing to the relativistic law of conservation of energy, the internal energy of a particle bound to a field, should be weakened, as much as the binding energy coming into play, regardless whether the object is bound to an electric field in the atomic world, or a gravit ...
... It was the author’s idea that, owing to the relativistic law of conservation of energy, the internal energy of a particle bound to a field, should be weakened, as much as the binding energy coming into play, regardless whether the object is bound to an electric field in the atomic world, or a gravit ...
Compiler Management of Communication and Parallelism for
... 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 ...
Semi-classical formula beyond the Ehrenfest time in
... [16][4][36][9] describe the evolved quantum state ψ (t), in the linear dispersion regime, which means that non linear effects on the dispersion of the coherent state are supposed to be negligible with respect to the linear effects. Because the first non linear effects correspond to cubic terms in th ...
... [16][4][36][9] describe the evolved quantum state ψ (t), in the linear dispersion regime, which means that non linear effects on the dispersion of the coherent state are supposed to be negligible with respect to the linear effects. Because the first non linear effects correspond to cubic terms in th ...
Security of Quantum Bit String Commitment Depends on the
... where log2 1 2 =41 . Keeping in mind that 1 2 =41 > 0 (or equivalently > 4), we find that the minimum value of for which Eq. (4) is satisfied is 5log2 5 4 and arises from 4log2 5 1. Thus, no n; a; b-QBSC with a b 5log2 5 4 < n exists. 䊐 Since the constant ...
... where log2 1 2 =41 . Keeping in mind that 1 2 =41 > 0 (or equivalently > 4), we find that the minimum value of for which Eq. (4) is satisfied is 5log2 5 4 and arises from 4log2 5 1. Thus, no n; a; b-QBSC with a b 5log2 5 4 < n exists. 䊐 Since the constant ...
Memory cost of quantum contextuality Linköping University Post Print
... quantum systems [4]. Both phenomena can be used for information-processing tasks, albeit the applications of contextuality are far less explored [5–12]. Although contextuality and nonlocality can be considered as signatures of nonclassicality, they can be simulated by classical models [3, 13–15]. Ho ...
... quantum systems [4]. Both phenomena can be used for information-processing tasks, albeit the applications of contextuality are far less explored [5–12]. Although contextuality and nonlocality can be considered as signatures of nonclassicality, they can be simulated by classical models [3, 13–15]. Ho ...
Preskill - Microsoft
... We use quantum field theory very successfully to describe all known physics, excluding gravitation. (We also have a very successful classical theory for gravitation.) The Standard Model of particle physics has not been challenged by data for 40 years. We say this is an “effective” field theory. That ...
... We use quantum field theory very successfully to describe all known physics, excluding gravitation. (We also have a very successful classical theory for gravitation.) The Standard Model of particle physics has not been challenged by data for 40 years. We say this is an “effective” field theory. That ...
Quantum interference in the classically forbidden region: A parametric oscillator
... damping is often weak, and even a comparatively small resonant field can lead to bistability, i.e., to coexistence of forced vibrations with different phases and/or amplitudes. Quantum and classical fluctuations cause transitions between coexisting vibrational states. The transitions are not describ ...
... damping is often weak, and even a comparatively small resonant field can lead to bistability, i.e., to coexistence of forced vibrations with different phases and/or amplitudes. Quantum and classical fluctuations cause transitions between coexisting vibrational states. The transitions are not describ ...
Quantum electrical transport in samples of limited
... The ability to make electrically conducting structures of ever smaller size by nanofabrication techniques ~the playground of mesoscopic physics! has brought with it entry into a wonderful new range of unexpected quantum phenomena. Interpretation of these phenomena requires full recognition of the wa ...
... The ability to make electrically conducting structures of ever smaller size by nanofabrication techniques ~the playground of mesoscopic physics! has brought with it entry into a wonderful new range of unexpected quantum phenomena. Interpretation of these phenomena requires full recognition of the wa ...
Theory of shot noise in high-current space-charge-limited
... The Coulomb correlation is mainly due to the classical Coulomb repulsion of the space charge field, which will reduce the shot noise suppression 共solid lines兲 and thus produce a large ␥ as compared to pure field emission 共dashed lines兲, as shown in Fig. 3共a兲. This finding implies that there is no sp ...
... The Coulomb correlation is mainly due to the classical Coulomb repulsion of the space charge field, which will reduce the shot noise suppression 共solid lines兲 and thus produce a large ␥ as compared to pure field emission 共dashed lines兲, as shown in Fig. 3共a兲. This finding implies that there is no sp ...
