PPT - Fernando Brandao
... efficiently, even at constant temperature and of classical models, but defined on general graphs (PCP Theorem, Arora et al ‘98) Warning 2: Spin glasses not expected to thermalize. ...
... efficiently, even at constant temperature and of classical models, but defined on general graphs (PCP Theorem, Arora et al ‘98) Warning 2: Spin glasses not expected to thermalize. ...
On-Shell Methods in Perturbative QCD
... • In this talk analytic on-shell methods: spinors, twistors, unitarity method, on-shell bootstrap approach. Bern, Dixon, Dunbar, Kosower; Bern and Morgan; Cachazo, Svrcek and Witten; Bern, Dixon, Kosower; Bedford, Brandhuber, Spence, Travaglini; Britto, Cachazo, Feng and Witten; Berger, Bern, Dixon, ...
... • In this talk analytic on-shell methods: spinors, twistors, unitarity method, on-shell bootstrap approach. Bern, Dixon, Dunbar, Kosower; Bern and Morgan; Cachazo, Svrcek and Witten; Bern, Dixon, Kosower; Bedford, Brandhuber, Spence, Travaglini; Britto, Cachazo, Feng and Witten; Berger, Bern, Dixon, ...
Quantum critical temperature of a modulated oscillator Lingzhen Guo, Vittorio Peano, M. Marthaler,
... temperature dependence for higher T . In contrast to the crossover between tunneling and thermal activation in equilibrium systems, here the crossover occurs between different regimes of switching activated by quantum fluctuations. The results go beyond the standard real-time instanton technique of ...
... temperature dependence for higher T . In contrast to the crossover between tunneling and thermal activation in equilibrium systems, here the crossover occurs between different regimes of switching activated by quantum fluctuations. The results go beyond the standard real-time instanton technique of ...
Towards ~ Lorentz Invariant Quantum Theory of Measurement
... environmentally induced superselecting rules in their state spaces. While Zurek's work is primarly concerned with eliciting quantum effects at a macroscopic level by performing measurements on macroscopic systems his work is relevant to the general quantum theory of measurement by virtue of providin ...
... environmentally induced superselecting rules in their state spaces. While Zurek's work is primarly concerned with eliciting quantum effects at a macroscopic level by performing measurements on macroscopic systems his work is relevant to the general quantum theory of measurement by virtue of providin ...
as a PDF
... Shor’s algorithm for discrete logs and factorization [1], which gives an exponential speedup over classical algorithms. Vedral, Barenco and Ekert [2] have shown how to implement the necessary modular exponentiation operations in quantum gates with a number of qubits linear in the number of input bit ...
... Shor’s algorithm for discrete logs and factorization [1], which gives an exponential speedup over classical algorithms. Vedral, Barenco and Ekert [2] have shown how to implement the necessary modular exponentiation operations in quantum gates with a number of qubits linear in the number of input bit ...
Shell Model Approach to Nuclear Reactions
... Microscopic description of alpha decay R. Id Betan and WN, Phys. Rev. C 86, 034338 (2012) ...
... Microscopic description of alpha decay R. Id Betan and WN, Phys. Rev. C 86, 034338 (2012) ...
The Quantum World
... take a philosophically realist view of the results of their researches; to suppose that they are finding out the way things are. When we are concerned with pre-quantum physics- with classical physics, as we say- that seems a particularly straightforward supposition. The ...
... take a philosophically realist view of the results of their researches; to suppose that they are finding out the way things are. When we are concerned with pre-quantum physics- with classical physics, as we say- that seems a particularly straightforward supposition. The ...
Haag`s Theorem in Renormalisable Quantum Field Theories
... • First, all approaches to construct quantum field models in a way seen as mathematically sound and rigorous employ methods from operator theory and stochastic analysis, the latter only in the Euclidean case. This is certainly natural given the corresponding heuristically very successful notions use ...
... • First, all approaches to construct quantum field models in a way seen as mathematically sound and rigorous employ methods from operator theory and stochastic analysis, the latter only in the Euclidean case. This is certainly natural given the corresponding heuristically very successful notions use ...
Quantum Computation - University of Denver
... algorithm is quadratically faster than any possible search algorithm for a classical computer, and Shor’s quantum factorization algorithm is exponentially faster than any known classical counterpart. These experimental and theoretical results indicate that quantum computers are feasible and will be ...
... algorithm is quadratically faster than any possible search algorithm for a classical computer, and Shor’s quantum factorization algorithm is exponentially faster than any known classical counterpart. These experimental and theoretical results indicate that quantum computers are feasible and will be ...
No entailing laws but enablement in the evolution of the biosphere`
... In order to understand the specific difficulties of biological theoretizing, we will first shortly recall the role of “phase spaces” in physical theories. In physics, the phase space is given by the pertinent observables and parameters. As we will recall below, these may be, for example, the momentu ...
... In order to understand the specific difficulties of biological theoretizing, we will first shortly recall the role of “phase spaces” in physical theories. In physics, the phase space is given by the pertinent observables and parameters. As we will recall below, these may be, for example, the momentu ...
Quantum Theory: a Pragmatist Approach
... so far as its overall epistemic state meets a normative constraint of coherence,9 since otherwise these partial beliefs will not satisfy Kolmogorov’s(1933) axioms defining probability mathematically as a finitely additive, unit-normed, non-negative function on a field of sets. Ramsey(1926), for one, ...
... so far as its overall epistemic state meets a normative constraint of coherence,9 since otherwise these partial beliefs will not satisfy Kolmogorov’s(1933) axioms defining probability mathematically as a finitely additive, unit-normed, non-negative function on a field of sets. Ramsey(1926), for one, ...
Convex Sets and Convex Functions on Complete Manifolds
... The aim of this paper is to show how convex sets and functions give strong restrictions to the topology of a certain class of complete Riemannian manifolds without boundary. The idea of convexity plays an essential role for the proofs of "finiteness theorems", which give a priori estimates for the n ...
... The aim of this paper is to show how convex sets and functions give strong restrictions to the topology of a certain class of complete Riemannian manifolds without boundary. The idea of convexity plays an essential role for the proofs of "finiteness theorems", which give a priori estimates for the n ...
PPT - Fernando Brandao
... Interesting part: There is always a product state assignment with energy no bigger than e0 + cd3/deg (proof by “conditioning de Finetti bound” ) ...
... Interesting part: There is always a product state assignment with energy no bigger than e0 + cd3/deg (proof by “conditioning de Finetti bound” ) ...
Foundations and Measures of Quantum Non
... The physical states of the total system are described by density matrices ρ, representing positive trace class operators on H with unit trace. This means that ρ ≥ 0, which implies that ρ is self-adjoint with nonnegative eigenvalues, and trρ = 1. The corresponding reduced states of subsystems S and E ...
... The physical states of the total system are described by density matrices ρ, representing positive trace class operators on H with unit trace. This means that ρ ≥ 0, which implies that ρ is self-adjoint with nonnegative eigenvalues, and trρ = 1. The corresponding reduced states of subsystems S and E ...
RSC_QTECR_ch005 105..131
... classical particles, Uðri ; ; ri ; SÞ is the potential energy of the system, and b ¼ 1/kBT with kB being Boltzmann’s constant and T the temperature. In eqn (5.2), the de Broglie thermal wavelength of atom n with a mass of Mn is given by ln ¼ ð2pbh2 =Mn Þ1=2 . Note that the dynamics generated ...
... classical particles, Uðri ; ; ri ; SÞ is the potential energy of the system, and b ¼ 1/kBT with kB being Boltzmann’s constant and T the temperature. In eqn (5.2), the de Broglie thermal wavelength of atom n with a mass of Mn is given by ln ¼ ð2pbh2 =Mn Þ1=2 . Note that the dynamics generated ...
Department of Mathematics
... the traditional pattern, while part (b) will be devoted to true/false type questions. 2) If the last recommendation is followed uniformly for all questions in the paper, the following note should precede the question paper. 2. Note for examinees: Part (a) of each question carries nine marks. In part ...
... the traditional pattern, while part (b) will be devoted to true/false type questions. 2) If the last recommendation is followed uniformly for all questions in the paper, the following note should precede the question paper. 2. Note for examinees: Part (a) of each question carries nine marks. In part ...
Magnetic Field Lines, Hamiltonian Dynamics, and Nontwist Systems
... particular, the elementary problem of how a swing behaves or the essentially equivalent problem of explaining the behavior of bundles of closed magnetic field lines when symmetry is broken have been solved. Both of these systems possess nonlinearity and periodicity, and they are, among other things, ...
... particular, the elementary problem of how a swing behaves or the essentially equivalent problem of explaining the behavior of bundles of closed magnetic field lines when symmetry is broken have been solved. Both of these systems possess nonlinearity and periodicity, and they are, among other things, ...
Analysis of General Geometric Scaling Perturbations in a Transmitting Waveguide: Fundamental Connection Between Polarization-Mode Dispersion and Group-Velocity Dispersion
... discontinuous high-index contrast variations of the refractive index across a waveguide cross section. We establish that, if at some frequencies a particular mode behaves like pure TE or TM polarized mode (polarization is judged by the relative amounts of the electric and magnetic longitudinal energ ...
... discontinuous high-index contrast variations of the refractive index across a waveguide cross section. We establish that, if at some frequencies a particular mode behaves like pure TE or TM polarized mode (polarization is judged by the relative amounts of the electric and magnetic longitudinal energ ...