Ce document est le fruit d`un long travail approuvé par le jury de
... to have welcomed me in the group, and to have proposed me an interesting research subject. Even if the original plan has not been fulfilled, I really appreciated the human and scientific environment of the team. There are two peoples that I would like to thank specially. The first one is Endre Kajar ...
... to have welcomed me in the group, and to have proposed me an interesting research subject. Even if the original plan has not been fulfilled, I really appreciated the human and scientific environment of the team. There are two peoples that I would like to thank specially. The first one is Endre Kajar ...
Single Particle Tunneling in Strongly Driven Double Well Potentials
... which can be easily done numerically. For the time periodic function Φα we can make a Fourier expansion and choose the eigenstates of the unperturbed double well potential as an orthogonal basis. For the results shown in ...
... which can be easily done numerically. For the time periodic function Φα we can make a Fourier expansion and choose the eigenstates of the unperturbed double well potential as an orthogonal basis. For the results shown in ...
Effective Field Theory, Past and Future
... two or three soft pions in nucleon collisions, and it suddenly occurred to me that these results looked very much like what would be given by lowest order Feynman diagrams in a quantum field theory in which pion lines are emitted from the external nucleon lines, with a Lagrangian in which the nucleo ...
... two or three soft pions in nucleon collisions, and it suddenly occurred to me that these results looked very much like what would be given by lowest order Feynman diagrams in a quantum field theory in which pion lines are emitted from the external nucleon lines, with a Lagrangian in which the nucleo ...
Quasi periodic motions from Hipparchus to Kolmogorov
... of the orbits of Jupiter is double of what actually is or in which the Moon is at a distance from the Earth different from the observed one, etc.. Situations of this kind can be included in the Greek scheme simply by imagining that the coordinates ϕ1 , . . . , ϕn are not a complete system of coordin ...
... of the orbits of Jupiter is double of what actually is or in which the Moon is at a distance from the Earth different from the observed one, etc.. Situations of this kind can be included in the Greek scheme simply by imagining that the coordinates ϕ1 , . . . , ϕn are not a complete system of coordin ...
Aether Quantum theory according to Eddington
... an army of symbols is required to describe what is going on in the interspace. We postulate aether to bear the characters of the interspace as we postulate matter or electricity to bear the characters of the particles.” “Perhaps a philosopher might question whether it is not possible to admit the c ...
... an army of symbols is required to describe what is going on in the interspace. We postulate aether to bear the characters of the interspace as we postulate matter or electricity to bear the characters of the particles.” “Perhaps a philosopher might question whether it is not possible to admit the c ...
Signatures of Majorana zero-modes in nanowires, quantum spin
... depends on the order of the exchange operation [7]. Such non-Abelian statistics can be used to perform logical operations [8], an application known as topological quantum computation [9]. Although the earliest proposals to realize Majorana zero-modes in superconductors go back many decades [6, 7], t ...
... depends on the order of the exchange operation [7]. Such non-Abelian statistics can be used to perform logical operations [8], an application known as topological quantum computation [9]. Although the earliest proposals to realize Majorana zero-modes in superconductors go back many decades [6, 7], t ...
Quantum Theory: Concepts and Methods
... Neumann was concerned with “measurable quantities.” This is a neo-classical attitude: supposedly, there are “physical quantities” which we measure, and their measurements disturb each other. Here, I merely assume that we perform macroscopic operations called tests, which have stochastic outcomes. We ...
... Neumann was concerned with “measurable quantities.” This is a neo-classical attitude: supposedly, there are “physical quantities” which we measure, and their measurements disturb each other. Here, I merely assume that we perform macroscopic operations called tests, which have stochastic outcomes. We ...
Beyond Brownian Motion
... (x / N) N This is now known as the Cauchy distribution. It shows explicitly the connection between a one-step and an N-step distribution. Exhibiting this scaling is more important than trying to describe the Cauchy distribution in terms of some pseudo-variance, as if it were a Gaussian. Lévy showed ...
... (x / N) N This is now known as the Cauchy distribution. It shows explicitly the connection between a one-step and an N-step distribution. Exhibiting this scaling is more important than trying to describe the Cauchy distribution in terms of some pseudo-variance, as if it were a Gaussian. Lévy showed ...
Muons, Inc. - This is the Muons, Inc. Internal Website.
... • A half-integer resonance is induced such that normal elliptical motion of x-x’ phase space becomes hyperbolic at absorber points, with particles moving to smaller x and larger x’ • Thin absorbers placed at the focal points of the channel then cool the angular divergence of the beam by the usual io ...
... • A half-integer resonance is induced such that normal elliptical motion of x-x’ phase space becomes hyperbolic at absorber points, with particles moving to smaller x and larger x’ • Thin absorbers placed at the focal points of the channel then cool the angular divergence of the beam by the usual io ...
10. The Mole
... 1 mole of NO2 : 2 moles of O atoms to every 1 mole of N atoms • If we know or can determine the relative number of moles of each element in a compound, we can determine a formula for the compound. ...
... 1 mole of NO2 : 2 moles of O atoms to every 1 mole of N atoms • If we know or can determine the relative number of moles of each element in a compound, we can determine a formula for the compound. ...
The Facets of Relativistic Quantum Field Theory1
... field theory reflects the quite indirect relationship between the basic concept in the theory and the central notion of the empirical domain, to wit, fields and particles. The experiments are bound to register particles, whereas the basic concept of the theory is the quantum field, technically seen ...
... field theory reflects the quite indirect relationship between the basic concept in the theory and the central notion of the empirical domain, to wit, fields and particles. The experiments are bound to register particles, whereas the basic concept of the theory is the quantum field, technically seen ...
the periodic table of elementary particles
... calculated. The overall average difference between the calculated masses and the observed masses for all hadrons is 0.29 MeV. The periodic table of elementary particles provides the most comprehensive explanation and calculation for the masses of elementary particles and hadrons. PACS number(s): 11. ...
... calculated. The overall average difference between the calculated masses and the observed masses for all hadrons is 0.29 MeV. The periodic table of elementary particles provides the most comprehensive explanation and calculation for the masses of elementary particles and hadrons. PACS number(s): 11. ...
The Mole - Prairie Science
... number of each kind of atom found in one molecule of the compound. ...
... number of each kind of atom found in one molecule of the compound. ...
Gravity as the breakdown of conformal invariance
... Is the world simple or complicated? After decades of sustained failure in the quest for quantum gravity, one might feel sympathy for the less optimistic view. Less nervous dispositions, however, will point out that we have yet to craft a puzzle that we cannot resolve ourselves. Breakthroughs typical ...
... Is the world simple or complicated? After decades of sustained failure in the quest for quantum gravity, one might feel sympathy for the less optimistic view. Less nervous dispositions, however, will point out that we have yet to craft a puzzle that we cannot resolve ourselves. Breakthroughs typical ...
SOME BOUND STATE PROBLEMS IN QUANTUM MECHANICS In
... function for the number of bound states, and γ = 1, which gives a bound for the total energy of a system of non-interacting fermions in an external potential given by V . Also a simple approximation argument, see, for example, [147], shows that a bound of the form (10) allows to extend the semi-clas ...
... function for the number of bound states, and γ = 1, which gives a bound for the total energy of a system of non-interacting fermions in an external potential given by V . Also a simple approximation argument, see, for example, [147], shows that a bound of the form (10) allows to extend the semi-clas ...
Quantum Optical Multiple Scattering
... optical states on a multiple scattering medium. We investigate a single realization of a scattering medium thereby showing that it is possible to create entangled states by interference of squeezed beams. Mixing photon states on the single realization also shows that quantum interference naturally a ...
... optical states on a multiple scattering medium. We investigate a single realization of a scattering medium thereby showing that it is possible to create entangled states by interference of squeezed beams. Mixing photon states on the single realization also shows that quantum interference naturally a ...
QUANTUM DYNAMICS OF A MASSLESS RELATIVISTIC
... The string can then be quantized by making x(o, t) quantum mechanical operators and subjecting the physical states to the subsidiary conditions. This procedure clear ly uses a positive definite Hilbert space so there is no problem with negative norm states. However, manifest Lorentz covariance is lo ...
... The string can then be quantized by making x(o, t) quantum mechanical operators and subjecting the physical states to the subsidiary conditions. This procedure clear ly uses a positive definite Hilbert space so there is no problem with negative norm states. However, manifest Lorentz covariance is lo ...
Property calculation I
... Therefore: Require numerical simulation (the only feasible approach…) ...
... Therefore: Require numerical simulation (the only feasible approach…) ...
ppt
... OAKLAND, Calif., Jan. 12 — A fleeting, ultradense state of matter, comparable in some respects to a bizarre kind of subatomic pudding, has been discovered deep within the core of ordinary gold atoms, scientists from Brookhaven National Laboratory said at a conference ...
... OAKLAND, Calif., Jan. 12 — A fleeting, ultradense state of matter, comparable in some respects to a bizarre kind of subatomic pudding, has been discovered deep within the core of ordinary gold atoms, scientists from Brookhaven National Laboratory said at a conference ...
Pair production processes and flavor in gauge
... in the final or initial state from a state, which previously or afterwards interacted with the condensate. This condensate interaction is necessary to balance the energy and custodial quantum number. Note that only the sum of all correlation functions is exactly gauge-invariant. So far, these correl ...
... in the final or initial state from a state, which previously or afterwards interacted with the condensate. This condensate interaction is necessary to balance the energy and custodial quantum number. Note that only the sum of all correlation functions is exactly gauge-invariant. So far, these correl ...