The Age of Entanglement Quantum Computing the (Formerly) Uncomputable
... attention? When we read late-breaking science news in popular magazines, quantum devices are in the headlines, including the recent fervor about quantum communication and computation. For such an old field of study, one for which all theoretical aspects have long ago been verified experimentally, wh ...
... attention? When we read late-breaking science news in popular magazines, quantum devices are in the headlines, including the recent fervor about quantum communication and computation. For such an old field of study, one for which all theoretical aspects have long ago been verified experimentally, wh ...
Quantum boolean functions - Chicago Journal of Theoretical
... unitary operator is a tensor product of Pauli operators, or far from any such tensor product; and similarly whether a unitary operator is a Pauli operator acting on only one qubit, or is far from any such operator. These are quantum generalisations of properties considered in the classical field of ...
... unitary operator is a tensor product of Pauli operators, or far from any such tensor product; and similarly whether a unitary operator is a Pauli operator acting on only one qubit, or is far from any such operator. These are quantum generalisations of properties considered in the classical field of ...
Quantum Search of Spatial Regions
... with positive cosmological constant Λ > 0, the total number of bits accessible to any one experiment is at most 3π / (Λ ln 2), or roughly 10122 given current experimental bounds [26] on Λ.3 Intuitively, even if the universe is spatially infinite, most of it recedes too quickly from any one observer ...
... with positive cosmological constant Λ > 0, the total number of bits accessible to any one experiment is at most 3π / (Λ ln 2), or roughly 10122 given current experimental bounds [26] on Λ.3 Intuitively, even if the universe is spatially infinite, most of it recedes too quickly from any one observer ...
Time in the Weak Value and the Discrete Time Quantum Walk
... • I showed that the weak value was independently defined from the quantum measurement to characterize the observable-independent probability space. • I showed that the counter-factual property could be characterized by the weak value. • I naturally characterized the weak value with decoherence. – Y ...
... • I showed that the weak value was independently defined from the quantum measurement to characterize the observable-independent probability space. • I showed that the counter-factual property could be characterized by the weak value. • I naturally characterized the weak value with decoherence. – Y ...
Topological order at finite temperature?
... above the energy barrier: no topological protection ...
... above the energy barrier: no topological protection ...
Fractional @ Scaling for Quantum Kicked Rotors without Cantori
... for the DKP, the additional presence of large stable islands bordering the regions where @2=3 is observed (which occur when 1) make the quantum-classical interplay less transparent. In this case, too, Airy functions and @2=3 factors occur naturally in the semiclassical quantization of torus sta ...
... for the DKP, the additional presence of large stable islands bordering the regions where @2=3 is observed (which occur when 1) make the quantum-classical interplay less transparent. In this case, too, Airy functions and @2=3 factors occur naturally in the semiclassical quantization of torus sta ...
history of quantum computing
... standard, or “classical” physics, such as: 1. Superposition. If a system can be in state A or state B, it can also be in a “mixture” of the two states. If we measure it, we see either A or B, probabilistically. 2. Collapse. Any further measurements will give the same result. 3. Entanglement. There e ...
... standard, or “classical” physics, such as: 1. Superposition. If a system can be in state A or state B, it can also be in a “mixture” of the two states. If we measure it, we see either A or B, probabilistically. 2. Collapse. Any further measurements will give the same result. 3. Entanglement. There e ...
Towards a Quantum Programming Language
... first contributions in this direction is an article by Knill (1996). While not proposing an actual programming language, Knill outlines a set of basic principles for writing pseudo-code for quantum algorithms. These principles have influenced the design of some later language designs. The first actu ...
... first contributions in this direction is an article by Knill (1996). While not proposing an actual programming language, Knill outlines a set of basic principles for writing pseudo-code for quantum algorithms. These principles have influenced the design of some later language designs. The first actu ...
Quantum telecommunication with atomic ensembles
... few absorption lengths (although a novel strategy of employing a satellite has been proposed,3 and important experimental progress has been made).4–6 As a result of the inevitable signal losses in optical fiber and the probabilistic nature of photon pair generation, the communication rate decreases ...
... few absorption lengths (although a novel strategy of employing a satellite has been proposed,3 and important experimental progress has been made).4–6 As a result of the inevitable signal losses in optical fiber and the probabilistic nature of photon pair generation, the communication rate decreases ...
Quintet pairing and non-Abelian vortex string in spin-3/2 cold atomic... Congjun Wu, Jiangping Hu, and Shou-Cheng Zhang
... playground to study high symmetries which do not appear in usual condensed matter systems. Three of us have shown that spin-3/2 fermionic systems with contact interactions, which can be realized by atoms such as 132 Cs, ...
... playground to study high symmetries which do not appear in usual condensed matter systems. Three of us have shown that spin-3/2 fermionic systems with contact interactions, which can be realized by atoms such as 132 Cs, ...
Affine computation and affine automaton
... intuitive that the “weights” of negative and positive values should be same if their magnitudes are the same. Moreover, each state should be observed with the probability calculated based on the value of its magnitude. Therefore, we normalize each magnitude (since the summation of all magnitudes can ...
... intuitive that the “weights” of negative and positive values should be same if their magnitudes are the same. Moreover, each state should be observed with the probability calculated based on the value of its magnitude. Therefore, we normalize each magnitude (since the summation of all magnitudes can ...
Quantum Computing and Communications
... only physicists and mathematicians but engineers become more and more interested in it. This book is based on the first semester of a two-semester subject dedicated to Ph.D. students and undergraduates in electrical engineering and computer sciences at Budapest University of Technology and Economics ...
... only physicists and mathematicians but engineers become more and more interested in it. This book is based on the first semester of a two-semester subject dedicated to Ph.D. students and undergraduates in electrical engineering and computer sciences at Budapest University of Technology and Economics ...
