Quantum Computer - Physics, Computer Science and Engineering
... qubits is represented by n copies of C2 tensored together. Thus the state space is 2n-dimensional. Now in contrast to a classical system, which can be completely defined by describing the state of each individual component, in a quantum system, the state cannot always be described by considering onl ...
... qubits is represented by n copies of C2 tensored together. Thus the state space is 2n-dimensional. Now in contrast to a classical system, which can be completely defined by describing the state of each individual component, in a quantum system, the state cannot always be described by considering onl ...
M. Shiga and W. Shinoda, heat capacity of water from quantum nuclear dynamics
... systems such as rare-gas clusters except for our preliminary study on water.22 As we will see later in the results of our simulation, the current status might be ascribed to the shortage of computer power and the lack of the efficient heatcapacity estimator until recently. If these difficulties were ...
... systems such as rare-gas clusters except for our preliminary study on water.22 As we will see later in the results of our simulation, the current status might be ascribed to the shortage of computer power and the lack of the efficient heatcapacity estimator until recently. If these difficulties were ...
Stability conditions of diatomic molecules in
... Hamiltonian operator Ĥ ( 2) due to the commutation relation [ Hˆ ( 2) , Hˆ 0 ] 0 . On the other hand, the linear Hamiltonian operator Ĥ 0 (in x-p space) has consisted of two Hermitian operators of kinetic energy and Hook potential in the form ...
... Hamiltonian operator Ĥ ( 2) due to the commutation relation [ Hˆ ( 2) , Hˆ 0 ] 0 . On the other hand, the linear Hamiltonian operator Ĥ 0 (in x-p space) has consisted of two Hermitian operators of kinetic energy and Hook potential in the form ...
Continuous Quantum Phase Transitions
... quantum fluctuations are important at the microscopic scale, but not at the longer length scales that control the critical behavior; in the jargon of statistical mechanics, quantum mechanics is needed for the existence of an order parameter4 but it is classical thermal fluctuations that govern it at ...
... quantum fluctuations are important at the microscopic scale, but not at the longer length scales that control the critical behavior; in the jargon of statistical mechanics, quantum mechanics is needed for the existence of an order parameter4 but it is classical thermal fluctuations that govern it at ...
Introduction to Wave Mechanics
... . If you have ever looked into a toaster, you will have seen that the filaments glow red when they are hot. It is a fact that all bodies emit electromagnetic radiation when heated. The amazing thing is that the spectral distribution of the radiation (crudely, the amount of power emitted at each fr ...
... . If you have ever looked into a toaster, you will have seen that the filaments glow red when they are hot. It is a fact that all bodies emit electromagnetic radiation when heated. The amazing thing is that the spectral distribution of the radiation (crudely, the amount of power emitted at each fr ...
Classical phase-space analysis of vibronically coupled systems
... distribution centered at x(0) = 3, which corresponds to the ground state of the harmonicoscillator potential. ...
... distribution centered at x(0) = 3, which corresponds to the ground state of the harmonicoscillator potential. ...
Observations on Hyperplane: II. Dynamical Variables and
... time? I took the purpose of the question to be that of undermining the notion that we need HD observables at all. For strictly speaking, the answer to the question is yes. But I asked my questioner if he agreed that his question was analogous to asking, within non-relativistic quantum theory, anothe ...
... time? I took the purpose of the question to be that of undermining the notion that we need HD observables at all. For strictly speaking, the answer to the question is yes. But I asked my questioner if he agreed that his question was analogous to asking, within non-relativistic quantum theory, anothe ...
Qubit metrology for building a fault-tolerant quantum
... of qubits, (ii) information on error coherence is hard to use and (iii) it is difficult to separate out initialisation and measurement errors. Measurement error is also obtained in this level; differentiation should be made between measurement that destroys a qubit state or not, as the latter is even ...
... of qubits, (ii) information on error coherence is hard to use and (iii) it is difficult to separate out initialisation and measurement errors. Measurement error is also obtained in this level; differentiation should be made between measurement that destroys a qubit state or not, as the latter is even ...
Full-Text PDF
... Explicit solutions for these propagators are described on a vector space of quantum thermodynamical observables. These solutions which employ different assumptions and techniques are compared. The tradeoff between power and efficiency is the focal point of finite-time-thermodynamics. The dynamical m ...
... Explicit solutions for these propagators are described on a vector space of quantum thermodynamical observables. These solutions which employ different assumptions and techniques are compared. The tradeoff between power and efficiency is the focal point of finite-time-thermodynamics. The dynamical m ...
The Classical Lamb Shift: Why Jackson is Wrong!
... the Bethe logarithm shows up in all these calculations of the Lamb shift in much the same way as the principle part of these integrals, but only in the fully QED calculation does the cut-off arise as a natural part of the theory and is not added in ad hoc. It might be possible to make the introducti ...
... the Bethe logarithm shows up in all these calculations of the Lamb shift in much the same way as the principle part of these integrals, but only in the fully QED calculation does the cut-off arise as a natural part of the theory and is not added in ad hoc. It might be possible to make the introducti ...
On the speed of fluctuations around
... subsystem ρS (t) and the fixed state ωS will be small whenever the total dimension explored by the state (or the dimension explored in the bath) is much larger than the subsystem dimension. In typical thermodynamic situations, this will indeed be the case. Indeed, as dimensions typically grow expone ...
... subsystem ρS (t) and the fixed state ωS will be small whenever the total dimension explored by the state (or the dimension explored in the bath) is much larger than the subsystem dimension. In typical thermodynamic situations, this will indeed be the case. Indeed, as dimensions typically grow expone ...
