We consider a classical Hamiltonian H = L z +M z +L x M x , where the components of L and M satis... more We consider a classical Hamiltonian H = L z +M z +L x M x , where the components of L and M satisfy Poisson brackets similar to those of angular momenta. There are three constants of motion: H, L 2 and M 2 . By studying Poincaré surfaces of section, we find that the motion ...
The average density of states for a large class of N × N banded and sparse random matrices is sho... more The average density of states for a large class of N × N banded and sparse random matrices is shown to obey a semi-circle law. The banded matrices belonging to this class are restricted in several ways: 1) they are both real and symmetric, 2) matrix elements are independent random variables with zero average, 3) the variance of the matrix
The statistics of quasienergies are analyzed for periodically driven chaotic systems and found to... more The statistics of quasienergies are analyzed for periodically driven chaotic systems and found to be similar to those of truly random models. These differ from the results that were obtained so far, for chaotic systems with time-independent Hamiltonians. The separations of the ...
As a whole new range of energies will be soon experimentally studied, we present predictions for ... more As a whole new range of energies will be soon experimentally studied, we present predictions for hadronic cross sections at future very high energy accelerators. All calculations are based on results accumulated in reggeon field theory, where methods of field theory (in the continuum and on the lattice) and statistical mechanics have been used. We have employed these results and
We consider a classical Hamiltonian H = L z +M z +L x M x , where the components of L and M satis... more We consider a classical Hamiltonian H = L z +M z +L x M x , where the components of L and M satisfy Poisson brackets similar to those of angular momenta. There are three constants of motion: H, L 2 and M 2 . By studying Poincaré surfaces of section, we find that the motion ...
The average density of states for a large class of N × N banded and sparse random matrices is sho... more The average density of states for a large class of N × N banded and sparse random matrices is shown to obey a semi-circle law. The banded matrices belonging to this class are restricted in several ways: 1) they are both real and symmetric, 2) matrix elements are independent random variables with zero average, 3) the variance of the matrix
The statistics of quasienergies are analyzed for periodically driven chaotic systems and found to... more The statistics of quasienergies are analyzed for periodically driven chaotic systems and found to be similar to those of truly random models. These differ from the results that were obtained so far, for chaotic systems with time-independent Hamiltonians. The separations of the ...
As a whole new range of energies will be soon experimentally studied, we present predictions for ... more As a whole new range of energies will be soon experimentally studied, we present predictions for hadronic cross sections at future very high energy accelerators. All calculations are based on results accumulated in reggeon field theory, where methods of field theory (in the continuum and on the lattice) and statistical mechanics have been used. We have employed these results and
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Papers by Mario Feingold