L. Bell*, et. al., "THz emission by Quantum Beating in a Modulation
... quantum well yields z31 / z21 * 0.5E / !1 kV/ cm". Our data are in good agreement with the prediction of the quantum beating model. The solid line in Fig. 3 shows the electric field determined from capacitance-voltage measurements where we have taken the total field !external field plus internal pol ...
... quantum well yields z31 / z21 * 0.5E / !1 kV/ cm". Our data are in good agreement with the prediction of the quantum beating model. The solid line in Fig. 3 shows the electric field determined from capacitance-voltage measurements where we have taken the total field !external field plus internal pol ...
Experimental Satellite Quantum Communications
... pulse picker and then using three amplifiers and a second harmonic generation (SHG) stage, obtaining pulses at a 532 nm, 100 mJ energy, and 10 Hz repetition rate. The qubits are obtained with a suitable SHG unit pumped by the remainder of the master oscillator beam at 100 MHz, resulting in a train o ...
... pulse picker and then using three amplifiers and a second harmonic generation (SHG) stage, obtaining pulses at a 532 nm, 100 mJ energy, and 10 Hz repetition rate. The qubits are obtained with a suitable SHG unit pumped by the remainder of the master oscillator beam at 100 MHz, resulting in a train o ...
field concepts and the emergence of a holistic
... Another important epistemological consequence of quantum mechanics, complementarity, is also connected to its holism. As Primas writes, there is no single description, such as the molecular-reductionistic one, which can alone represent the whole reality of the subject of a scientific investigation, ...
... Another important epistemological consequence of quantum mechanics, complementarity, is also connected to its holism. As Primas writes, there is no single description, such as the molecular-reductionistic one, which can alone represent the whole reality of the subject of a scientific investigation, ...
Abstracts Escuela de Fisica Matematica 2015, Universidad de los
... State sum models can be used to construct the partition functions of 3D lattice gauge theories based on involutory Hopf algebras, A, of which the group algebras, CG, are a particular case. Transfer matrices can be obtained from such partition functions by carrying out the state sum construction on a ...
... State sum models can be used to construct the partition functions of 3D lattice gauge theories based on involutory Hopf algebras, A, of which the group algebras, CG, are a particular case. Transfer matrices can be obtained from such partition functions by carrying out the state sum construction on a ...
Quantum tunneling and stochastic resonance - Physik Uni
... tial is characterized by an asymmetry energy e >0 and becomes symmetric V(q)5V(2q) when e 50. The two metastable minima are located at 6q a and the maximum is at q b 50. Due to the asymmetry of the potential, the barrier height to be surmounted by a classical particle located at 6q a is E 6 5V b 7 e ...
... tial is characterized by an asymmetry energy e >0 and becomes symmetric V(q)5V(2q) when e 50. The two metastable minima are located at 6q a and the maximum is at q b 50. Due to the asymmetry of the potential, the barrier height to be surmounted by a classical particle located at 6q a is E 6 5V b 7 e ...
What can string theory teach us about condensed matter physics?
... None of these phases are CFTs Their electron densities are variable, i.e. they are compressible, and they are electrical conductors. While finding such phases is simple at high temperatures, there are only a few possible compressible quanutm phases... ...
... None of these phases are CFTs Their electron densities are variable, i.e. they are compressible, and they are electrical conductors. While finding such phases is simple at high temperatures, there are only a few possible compressible quanutm phases... ...
The Learnability of Quantum States
... for all ε, η, γ > 0 with γ > η. In the Electronic Supplementary Material, we will show that the dependence on γ and ε in Theorem 1.2 is close to optimal. Objection 5 To estimate the measurement probabilities Tr (Ei ρ), one needs the ability to prepare multiple copies of ρ. 3 Interestingly, in the “r ...
... for all ε, η, γ > 0 with γ > η. In the Electronic Supplementary Material, we will show that the dependence on γ and ε in Theorem 1.2 is close to optimal. Objection 5 To estimate the measurement probabilities Tr (Ei ρ), one needs the ability to prepare multiple copies of ρ. 3 Interestingly, in the “r ...
Operator Imprecision and Scaling of Shor’s Algorithm
... Operator Imprecision and Errors in Quantum Computation Two sources of errors are important in quantum computation: (1) environmental disturbances of the quantum state of the system that realizes the computation (decoherence), and (2) imprecision of the physical operations that are carried out to imp ...
... Operator Imprecision and Errors in Quantum Computation Two sources of errors are important in quantum computation: (1) environmental disturbances of the quantum state of the system that realizes the computation (decoherence), and (2) imprecision of the physical operations that are carried out to imp ...
Quantum Information Processing through Nuclear Magnetic
... In fact, it is a simple matter to show that, whereas the combined state is a pure state, each component is in a maximally mixed state [5]. States like (1) are pure entangled, and like (2) are separable. In the language of density matrices, strongly separable states are those ones which can be writte ...
... In fact, it is a simple matter to show that, whereas the combined state is a pure state, each component is in a maximally mixed state [5]. States like (1) are pure entangled, and like (2) are separable. In the language of density matrices, strongly separable states are those ones which can be writte ...
Quantum Field Theory on Curved Backgrounds. I
... Lorentzian spacetimes of interest may not be sections of 4-dimensional complex manifolds which also have Riemannian sections, and even if they are, the Riemannian section need not be unique. Thus, the general picture of extracting physics from the Euclidean approach is a difficult one where further ...
... Lorentzian spacetimes of interest may not be sections of 4-dimensional complex manifolds which also have Riemannian sections, and even if they are, the Riemannian section need not be unique. Thus, the general picture of extracting physics from the Euclidean approach is a difficult one where further ...
Quantum neural networks
... memory using the concept of attractor states [9]. We shall argue below that it is adequate to choose such a Hopfield network as a reference point for the consideration of neural models in general. In fact, the Hopfield model itself was proposed during a previous “invasion” of physics into the theory ...
... memory using the concept of attractor states [9]. We shall argue below that it is adequate to choose such a Hopfield network as a reference point for the consideration of neural models in general. In fact, the Hopfield model itself was proposed during a previous “invasion” of physics into the theory ...