Hamiltonian Systems with Three or More
... the Baggot Hamiltonian, as β12 < 0 and λ > 0 the 1:1 resonance width actually decreases as the actions I1 , I2 get larger. Note also that we do not explicitly consider secondary resonances since we are interested only in the large-scale structure of the classical phase space (i.e., intersection of t ...
... the Baggot Hamiltonian, as β12 < 0 and λ > 0 the 1:1 resonance width actually decreases as the actions I1 , I2 get larger. Note also that we do not explicitly consider secondary resonances since we are interested only in the large-scale structure of the classical phase space (i.e., intersection of t ...
Zeno dynamics in quantum open systems
... Furthermore, it has been shown in Ref. [18] that the entangled state may have a shorter ZT in unitary process than that of the separable state. We find that entangled state can have a ZT with a similar scale as that of the separable state by interacting with the a suitable model of open system. That ...
... Furthermore, it has been shown in Ref. [18] that the entangled state may have a shorter ZT in unitary process than that of the separable state. We find that entangled state can have a ZT with a similar scale as that of the separable state by interacting with the a suitable model of open system. That ...
Theory of the Topological Anderson Insulator
... spin. We assume time reversal symmetry (no magnetic field or magnetic impurities) and neglect any coupling between the two spin blocks H and H [9]. The scalar potential U accounts for the disorder. The parameters , , , and m depend on the thickness and composition of the quantum well [7]. For t ...
... spin. We assume time reversal symmetry (no magnetic field or magnetic impurities) and neglect any coupling between the two spin blocks H and H [9]. The scalar potential U accounts for the disorder. The parameters , , , and m depend on the thickness and composition of the quantum well [7]. For t ...
The Black Hole Information Paradox - Institute for Gravitation and the
... “These necessarily retain their meaning for all times and for all civilizations, even extraterrestrial and non-human ones, and can therefore be designated as natural units.” ...
... “These necessarily retain their meaning for all times and for all civilizations, even extraterrestrial and non-human ones, and can therefore be designated as natural units.” ...
6 Theory of the topological Anderson insulator
... We will now show that disorder can push the phase transition to positive values of m, which is the hallmark of a TAI. Qualitatively, the mechanism is as follows. Elastic scattering by a disorder potential causes states of definite momentum to decay exponentially as a function of space and time. The ...
... We will now show that disorder can push the phase transition to positive values of m, which is the hallmark of a TAI. Qualitatively, the mechanism is as follows. Elastic scattering by a disorder potential causes states of definite momentum to decay exponentially as a function of space and time. The ...
Hybrid QM/MM Car-Parrinello Simulations of
... the development of new computational methods it has now become possible to treat many complex chemical and biological problems on an accurate and realistic level. First-principles molecular dynamics (MD) simulations [1] based on density functional theory (DFT) [2] and mixed quantum mechanical/molecu ...
... the development of new computational methods it has now become possible to treat many complex chemical and biological problems on an accurate and realistic level. First-principles molecular dynamics (MD) simulations [1] based on density functional theory (DFT) [2] and mixed quantum mechanical/molecu ...
How to program a quantum computer
... So in a 3 bit system it will contain 8 bits of information, and with N qubits it will contain 2N bits of information, with the power of exponential if we have 300 bits that’s more than all particles in the universe in equivalent classical bit information. But there is a catch, qubits can only be mea ...
... So in a 3 bit system it will contain 8 bits of information, and with N qubits it will contain 2N bits of information, with the power of exponential if we have 300 bits that’s more than all particles in the universe in equivalent classical bit information. But there is a catch, qubits can only be mea ...
An Historical and Modern View on Bell`s Inequality
... 2.1 Formalism and interpretations The formalism of quantum mechanics is nowadays firmly established. The interpretation of this formalism, however, is still a point of discussion. There are three main schools of thought regarding quantum theory: (1) realist, (2) orthodox (or Copenhagen), and (3) agn ...
... 2.1 Formalism and interpretations The formalism of quantum mechanics is nowadays firmly established. The interpretation of this formalism, however, is still a point of discussion. There are three main schools of thought regarding quantum theory: (1) realist, (2) orthodox (or Copenhagen), and (3) agn ...
NeuroQuantology Journal
... (1935) considered in his paper on the cat paradox as he explored the idea of how the quantum world might leak into Newton’s domain. Schrödinger was also one of the first persons to ask why, if the laws of quantum mechanics state that all macroscopic objects including human beings can enter int into ...
... (1935) considered in his paper on the cat paradox as he explored the idea of how the quantum world might leak into Newton’s domain. Schrödinger was also one of the first persons to ask why, if the laws of quantum mechanics state that all macroscopic objects including human beings can enter int into ...
Pulsed field ionization of Rydberg atoms
... Recent experimental and theoretical work has explored the dynamics of Rydberg alkali-metal atoms that are subjected to a kick from a unidirectional, pulsed electric field @1–13#. The pulses in these experiments are typically short compared to the Rydberg period of the electron. In this case, the ele ...
... Recent experimental and theoretical work has explored the dynamics of Rydberg alkali-metal atoms that are subjected to a kick from a unidirectional, pulsed electric field @1–13#. The pulses in these experiments are typically short compared to the Rydberg period of the electron. In this case, the ele ...
Pedestrian notes on quantum mechanics
... World is that of an infinite number of clusters in the sense of percolation theory. Classes of clusters could be defined in terms of their relative diffusivities and fluxes. Some of them are “static” relative to other more kinetic ones [32]. In this diffuson context, the imaginary character of the d ...
... World is that of an infinite number of clusters in the sense of percolation theory. Classes of clusters could be defined in terms of their relative diffusivities and fluxes. Some of them are “static” relative to other more kinetic ones [32]. In this diffuson context, the imaginary character of the d ...
Superconducting Circuits and Quantum Computation
... minimization algorithms. To date, most research on AQC [4-8] has focused on determining the precise extent to which it could outperform classical minimization algorithms. The tantalizing possibility remains that---at least for all practical purposes---AQC offers at least a large polynomial, and ofte ...
... minimization algorithms. To date, most research on AQC [4-8] has focused on determining the precise extent to which it could outperform classical minimization algorithms. The tantalizing possibility remains that---at least for all practical purposes---AQC offers at least a large polynomial, and ofte ...
Exercise Sheet 9 - Institute for Quantum Information
... In this exercise we will rephrase a condition for the existence of an error-correcting code. Here the quantum code space is defined not by its basis, but by a projector onto it. Let C be a quantum code, and let P be the projector onto C. Suppose E is a quantum operation with operation elements {Ej } ...
... In this exercise we will rephrase a condition for the existence of an error-correcting code. Here the quantum code space is defined not by its basis, but by a projector onto it. Let C be a quantum code, and let P be the projector onto C. Suppose E is a quantum operation with operation elements {Ej } ...
Limits of time in cosmology
... The authors’ discussion regarding this quote seems to imply that the progressively more extreme physical conditions, as we extrapolate the standard cosmological model backwards, demand a succession of gradually more fine-grained clocks to give meaning to (or provide a physical basis of) the time of ...
... The authors’ discussion regarding this quote seems to imply that the progressively more extreme physical conditions, as we extrapolate the standard cosmological model backwards, demand a succession of gradually more fine-grained clocks to give meaning to (or provide a physical basis of) the time of ...
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... More about Einstein • It took Newton 20 years to extend his gravity law to extended objects. • Einstein formulated the Lorentz transformations for point particles. • Einstein never worried about Lorentz-boosting of the hydrogen atom. It is not possible even now to think about the hydrogen atom movi ...
... More about Einstein • It took Newton 20 years to extend his gravity law to extended objects. • Einstein formulated the Lorentz transformations for point particles. • Einstein never worried about Lorentz-boosting of the hydrogen atom. It is not possible even now to think about the hydrogen atom movi ...
quantum physics - Enggphysicsvenkat
... It is impossible to determine precisely and simultaneously the values of both the numbers of a pair of physical variables, which describe the motion of an atomic system. For example, the position and momentum of an electron cannot be determined accurately. ...
... It is impossible to determine precisely and simultaneously the values of both the numbers of a pair of physical variables, which describe the motion of an atomic system. For example, the position and momentum of an electron cannot be determined accurately. ...
Photonic realization of nonlocal memory effects and non
... Markovian dynamics to a regime with quantum memory effects [6]. Moreover, there has been recently rapid progress in understanding various fundamental issues on quantum non-Markovianity [7–13]. In general, the power of quantum information processing is based on the presence of quantum correlations in ...
... Markovian dynamics to a regime with quantum memory effects [6]. Moreover, there has been recently rapid progress in understanding various fundamental issues on quantum non-Markovianity [7–13]. In general, the power of quantum information processing is based on the presence of quantum correlations in ...
Stationary entanglement and discord for dissipating qubits by local
... However, entanglement is not the only type of correlation useful for quantum technology. A different notion of measure, quantum discord, has also been proposed to characterize quantum correlation by Ollivier and Zurek [10] and independently by Henderson and Vedral [11]. Quantum discord is a measure ...
... However, entanglement is not the only type of correlation useful for quantum technology. A different notion of measure, quantum discord, has also been proposed to characterize quantum correlation by Ollivier and Zurek [10] and independently by Henderson and Vedral [11]. Quantum discord is a measure ...
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... Deep mathematical reasons require that quantum particles in three dimensions must be either fermions or bosons. In two dimensions, another possibility arises: the factor might be a complex phase. A complex phase can be thought of as an angle. Zero degrees corresponds to the number one; 180 degrees i ...
... Deep mathematical reasons require that quantum particles in three dimensions must be either fermions or bosons. In two dimensions, another possibility arises: the factor might be a complex phase. A complex phase can be thought of as an angle. Zero degrees corresponds to the number one; 180 degrees i ...
