Braid Topologies for Quantum Computation
... (TQC) [1, 2] offers a particularly elegant way to achieve this using quasiparticles which obey nonabelian statistics [3, 4]. These quasiparticles, which are expected to arise in a variety of two-dimensional quantum many-body systems [1, 4, 5, 6, 7, 8, 9, 10, 11], have the property that the usual pha ...
... (TQC) [1, 2] offers a particularly elegant way to achieve this using quasiparticles which obey nonabelian statistics [3, 4]. These quasiparticles, which are expected to arise in a variety of two-dimensional quantum many-body systems [1, 4, 5, 6, 7, 8, 9, 10, 11], have the property that the usual pha ...
(pdf)
... The construction of the universal cover gives Spin(n) as the group of all rotation paths, up to homotopy, of a rigid body with a point fixed. It follows that Spin(n) is the group of all continuous rotation paths, up to homotopy, of a rigid body with a point fixed. So we have a complete description, ...
... The construction of the universal cover gives Spin(n) as the group of all rotation paths, up to homotopy, of a rigid body with a point fixed. It follows that Spin(n) is the group of all continuous rotation paths, up to homotopy, of a rigid body with a point fixed. So we have a complete description, ...
String theory as a Lilliputian world
... approximated by a summation over triangulations constructed from equilateral triangles with link lengths at , where at again was a UV cutoff. However, the results were identical to the hypercubic lattice results. In contrast to the hypercubic lattice model the DT model can be defined when the dimens ...
... approximated by a summation over triangulations constructed from equilateral triangles with link lengths at , where at again was a UV cutoff. However, the results were identical to the hypercubic lattice results. In contrast to the hypercubic lattice model the DT model can be defined when the dimens ...
Quantum error correction
... up the stage for paper A, but providing only the necessary set of the theory. I will probe a little deeper on some subtle assumptions and simplifications, which are underpinning the topic, but nevertheless are essential. Some unorthodox notions which are new, or stem from other parts of quantum opti ...
... up the stage for paper A, but providing only the necessary set of the theory. I will probe a little deeper on some subtle assumptions and simplifications, which are underpinning the topic, but nevertheless are essential. Some unorthodox notions which are new, or stem from other parts of quantum opti ...
univERsity oF copEnhAGEn
... Although it was not clear why the hypercubic lattice regularization did not work, the formalism known as dynamical triangulation (DT) was suggested as an alternative [2]. It discretized the independent intrinsic worldsheet geometry used in the Polyakov formulation of bosonic string theory [3] and th ...
... Although it was not clear why the hypercubic lattice regularization did not work, the formalism known as dynamical triangulation (DT) was suggested as an alternative [2]. It discretized the independent intrinsic worldsheet geometry used in the Polyakov formulation of bosonic string theory [3] and th ...
Quantum Gravity as Sum over Spacetimes
... a quantum field theory. The predictions from such a theory could then be compared with the renormalization group predictions related to the asymptotic safety picture described above. It should be mentioned that the asymptotic safety picture is not the only suggestion for a continuum quantum theory o ...
... a quantum field theory. The predictions from such a theory could then be compared with the renormalization group predictions related to the asymptotic safety picture described above. It should be mentioned that the asymptotic safety picture is not the only suggestion for a continuum quantum theory o ...
FOI2013Poster
... A simple two-photon interference method has been demonstrated for investigating the quantum correlation of broadband bi-photons generated by FWM. Due to the high gain of our PCF fiber, we fully observe the transition between quantum and classical regimes. The collinear, in fiber arrangement makes th ...
... A simple two-photon interference method has been demonstrated for investigating the quantum correlation of broadband bi-photons generated by FWM. Due to the high gain of our PCF fiber, we fully observe the transition between quantum and classical regimes. The collinear, in fiber arrangement makes th ...
quantum few-body physics with the configuration interaction
... Often, it becomes very difficult to predict how the particles will behave. Then we make computer programs which help us. But also computers have limitations, they can only do calculations for systems with few particles. Some scientists have, in their attempts to describe how nuclei work, invented a ...
... Often, it becomes very difficult to predict how the particles will behave. Then we make computer programs which help us. But also computers have limitations, they can only do calculations for systems with few particles. Some scientists have, in their attempts to describe how nuclei work, invented a ...
Highly efficient optical quantum memory with long coherence time in
... Figure 1(a) illustrates the experimental setup of the memory system. Both the control and probe fields are derived from a Ti:sapphire laser (not shown), where the frequencies and the amplitudes are independently controlled by acousto-optic modulators and an electro-optic modulator [14]. The probe fi ...
... Figure 1(a) illustrates the experimental setup of the memory system. Both the control and probe fields are derived from a Ti:sapphire laser (not shown), where the frequencies and the amplitudes are independently controlled by acousto-optic modulators and an electro-optic modulator [14]. The probe fi ...
Space, time and Riemann zeros (Madrid, 2013)
... • The xp model is a promissing candidate to yield a spectral interpretation of the Riemann zeros • Connes xp -> Landau xy model -> Analogue of Hawking radiation in the FQHE (Stone). No connection with Riemann zeros. • Berry-Keating xp -> Dirac fermion in Rindler space • Conjecture: b-c field theory ...
... • The xp model is a promissing candidate to yield a spectral interpretation of the Riemann zeros • Connes xp -> Landau xy model -> Analogue of Hawking radiation in the FQHE (Stone). No connection with Riemann zeros. • Berry-Keating xp -> Dirac fermion in Rindler space • Conjecture: b-c field theory ...
Document
... • The error corresponding to the distribution scales as 1/M • A simple ansatz is proposed : Resources = Number of discrete outcomes • It is found that the distribution(or the Heisenberg Limit) is not achievable in ...
... • The error corresponding to the distribution scales as 1/M • A simple ansatz is proposed : Resources = Number of discrete outcomes • It is found that the distribution(or the Heisenberg Limit) is not achievable in ...
Particle Statistics Affects Quantum Decay and Fano Interference
... (a quantum wire), each with energy ϵ ¼ 0 [see Figs. 1(a) and 1(b)]. Thus, states j1i and j2i can decay by tunnelling to the common continuum given by the tight-binding lattice band of the quantum wire. The energy of the band spans the interval −2κ < E < 2κ, κ being the hopping rate between two adjac ...
... (a quantum wire), each with energy ϵ ¼ 0 [see Figs. 1(a) and 1(b)]. Thus, states j1i and j2i can decay by tunnelling to the common continuum given by the tight-binding lattice band of the quantum wire. The energy of the band spans the interval −2κ < E < 2κ, κ being the hopping rate between two adjac ...
Information, Q-Bits, and Natural Reference: a bridge from Bit to It to
... Information, Q-Bits, and Natural Reference: a bridge from bit to it to autopoesis to mind. Introduction: A Dynamic Information Continuum supplants the false dichotomy between mechanical matter and spiritual mind. This paper argues that information is the most ubiquitous and basic fact about reality ...
... Information, Q-Bits, and Natural Reference: a bridge from bit to it to autopoesis to mind. Introduction: A Dynamic Information Continuum supplants the false dichotomy between mechanical matter and spiritual mind. This paper argues that information is the most ubiquitous and basic fact about reality ...
Coherent control of macroscopic quantum states in a single
... crucial parameter is the decoherence time. The main decoherence source in a single-Cooper-pair box is thought to be spontaneous photon emission to the electromagnetic environment1,5±7, and the decoherence time could exceed 1 ms. But when a probe junction is used, as in our set-up, the `detection' wi ...
... crucial parameter is the decoherence time. The main decoherence source in a single-Cooper-pair box is thought to be spontaneous photon emission to the electromagnetic environment1,5±7, and the decoherence time could exceed 1 ms. But when a probe junction is used, as in our set-up, the `detection' wi ...
Contextualizing Concepts using a Mathematical Generalization of
... in the world’ (p. 148). Rips (1995) refers to this as the No Peeking Principle. Rips’ own version of a dual theory distinguishes between representations-of and representations-about, both of which are said to play a role in conjunction. However, he does not claim to have solved the problem of how t ...
... in the world’ (p. 148). Rips (1995) refers to this as the No Peeking Principle. Rips’ own version of a dual theory distinguishes between representations-of and representations-about, both of which are said to play a role in conjunction. However, he does not claim to have solved the problem of how t ...
- Philsci
... To make the discussion less abstract, I will refer to a famous miracle in the Book of Joshua, where in the battle with the Amorites Joshua asks God to prolong the daylight. The background to Joshua’s miracle is that the Israelites are in the process of taking possession of the southern part of the ...
... To make the discussion less abstract, I will refer to a famous miracle in the Book of Joshua, where in the battle with the Amorites Joshua asks God to prolong the daylight. The background to Joshua’s miracle is that the Israelites are in the process of taking possession of the southern part of the ...
shp_05 - Columbia University
... spheres of charge, why should their spins be quantized in magnitude and direction? Classically, there is no way to explain this behavior. In 1925, S. Goudsmidt and G. Uhlenbeck realized that the classical model just cannot apply. Electrons do not spin like tops; their magnetic behavior must be expla ...
... spheres of charge, why should their spins be quantized in magnitude and direction? Classically, there is no way to explain this behavior. In 1925, S. Goudsmidt and G. Uhlenbeck realized that the classical model just cannot apply. Electrons do not spin like tops; their magnetic behavior must be expla ...
