Relation and quantum gravity in the light of Simondon and
... and their contemporaries, and for Faraday, Maxwell […]. Today, this manner of posing problems is often regarded as “too philosophical” by many physicists. […] The problem of quantum gravity will not be solved unless we reconsider these questions » (Carlo Rovelli, Quantum Gravity, Draft version Decem ...
... and their contemporaries, and for Faraday, Maxwell […]. Today, this manner of posing problems is often regarded as “too philosophical” by many physicists. […] The problem of quantum gravity will not be solved unless we reconsider these questions » (Carlo Rovelli, Quantum Gravity, Draft version Decem ...
Effective Constraints of - Institute for Gravitation and the Cosmos
... Pennsylvania State University in collaboration with M. Bojowald, G. Hossain, (IGPG, Penn State) H.H.Hernandez, A. Skirzewski (Max-Planck-Institut für Gravitationsphysik, Albert-Einstein-Institut, Potsdam, Germany ...
... Pennsylvania State University in collaboration with M. Bojowald, G. Hossain, (IGPG, Penn State) H.H.Hernandez, A. Skirzewski (Max-Planck-Institut für Gravitationsphysik, Albert-Einstein-Institut, Potsdam, Germany ...
influências da expansão do universo na evolução do - Cosmo-ufes
... MANY WORLDS (Everett, DeWitt, Deutsch) All possibilities are realized, but they are not aware of each other. ...
... MANY WORLDS (Everett, DeWitt, Deutsch) All possibilities are realized, but they are not aware of each other. ...
1 Equal-time and Time-ordered Green Functions Predictions for
... Fock Space and Occupation Number Representation ...
... Fock Space and Occupation Number Representation ...
Quantum Mechanics and General Relativity
... These two theories together encompass the explanation for almost the entire of our reality. The usual domain of quantum mechanics is that which deals with the smallest structures in the universe, for example electrons, quarks, muons and other elementary particles. From this spring such applications ...
... These two theories together encompass the explanation for almost the entire of our reality. The usual domain of quantum mechanics is that which deals with the smallest structures in the universe, for example electrons, quarks, muons and other elementary particles. From this spring such applications ...
Noncommutative Quantum Mechanics
... Obtain a phase-space formulation of a noncommutative extension of QM in arbitrary number of dimensions; Show that physical previsions are independent of the chosen SW map. ...
... Obtain a phase-space formulation of a noncommutative extension of QM in arbitrary number of dimensions; Show that physical previsions are independent of the chosen SW map. ...
Transparencies
... Finally in Loop Quantum Gravity some of the ambiguities of the dynamics may be traced back to the discrete theory. ...
... Finally in Loop Quantum Gravity some of the ambiguities of the dynamics may be traced back to the discrete theory. ...
AIP00330WH
... answered is how distinct classical dynamical phase space features translate into the quantum picture. This problem becomes even more interesting if these phase space features occupy a much smaller volume than in a phase space spanned by two non-commuting variables such as position and momentum. Th ...
... answered is how distinct classical dynamical phase space features translate into the quantum picture. This problem becomes even more interesting if these phase space features occupy a much smaller volume than in a phase space spanned by two non-commuting variables such as position and momentum. Th ...
Topological Insulators
... But now a team supported by the JQI Physics Frontier Center has produced a theoretical design for a simple system that should produce topologically protected units of quantum data. It does not require exotic materials or extremely cold temperatures, and can be tested easily on the benchtop. A sheet ...
... But now a team supported by the JQI Physics Frontier Center has produced a theoretical design for a simple system that should produce topologically protected units of quantum data. It does not require exotic materials or extremely cold temperatures, and can be tested easily on the benchtop. A sheet ...
Document
... delocalized the product of electric fields to two different points tied together by the regulator f We now consider the electric and magnetic fields to be in a coherent states such that their dynamics can be thought of as classical, and evaluate the expectation value of the term in the Hamiltonian o ...
... delocalized the product of electric fields to two different points tied together by the regulator f We now consider the electric and magnetic fields to be in a coherent states such that their dynamics can be thought of as classical, and evaluate the expectation value of the term in the Hamiltonian o ...
" Quantum gravity": an oxymoron
... The innumerable and learned efforts during seventy years to create a quantum formulation of general relativity have only beaten the air – et pour cause, as we shall see. On the other hand, it is evident to any unprejudiced scientist that definite reasons must be at the root of this failure. First of ...
... The innumerable and learned efforts during seventy years to create a quantum formulation of general relativity have only beaten the air – et pour cause, as we shall see. On the other hand, it is evident to any unprejudiced scientist that definite reasons must be at the root of this failure. First of ...
Student Presentation
... – Louis de Broglie suggested that although electrons have been previously regarded as particles also show wave-like characteristics with wavelengths given by the equation: λ = h/p = h/mv – h (Planck’s constant) = 6.626 x 10-34 J·s ...
... – Louis de Broglie suggested that although electrons have been previously regarded as particles also show wave-like characteristics with wavelengths given by the equation: λ = h/p = h/mv – h (Planck’s constant) = 6.626 x 10-34 J·s ...
4.4 The Hamiltonian and its symmetry operations
... allows to calculate the time evolution easily. REMARK: This is just one example in natural science where discussing the symmetries serve fundamental information on the system. The search for symmetries in nature and the formulation of mathematical models based on sometimes quite abstract symmetries ...
... allows to calculate the time evolution easily. REMARK: This is just one example in natural science where discussing the symmetries serve fundamental information on the system. The search for symmetries in nature and the formulation of mathematical models based on sometimes quite abstract symmetries ...
Geometry, Integrability
... Hamiltonian. Later, the growing investigations were devoted to the generalization of Berry’s result to several contexts. Indeed, Wilzek and Zee [13] extend this result to adiabatic evolution of degenerates eigenstates. Removing the adiabatic hypothesis, Aharonov and Anandan [1] have generalized Berr ...
... Hamiltonian. Later, the growing investigations were devoted to the generalization of Berry’s result to several contexts. Indeed, Wilzek and Zee [13] extend this result to adiabatic evolution of degenerates eigenstates. Removing the adiabatic hypothesis, Aharonov and Anandan [1] have generalized Berr ...
Gravitational Cat State and Stochastic Semiclassical Gravity*
... Newtonian gravity. In a quantum description of matter a single motionless massive particle can in principle be in a superposition state of two spatially-separated locations. This superposition state in gravity, or gravitational cat state, would lead to fluctuations in the Newtonian force exerted on ...
... Newtonian gravity. In a quantum description of matter a single motionless massive particle can in principle be in a superposition state of two spatially-separated locations. This superposition state in gravity, or gravitational cat state, would lead to fluctuations in the Newtonian force exerted on ...
Coherent Control
... to the question of how the present determines the future. In essence, in order to predict future probabilities, we need to (numerically) propagate the time-dependent Schrödinger equation from the present to the future. It is interesting to note that classical mechanics of macroscopic bodies, though ...
... to the question of how the present determines the future. In essence, in order to predict future probabilities, we need to (numerically) propagate the time-dependent Schrödinger equation from the present to the future. It is interesting to note that classical mechanics of macroscopic bodies, though ...
Annalen der Physik
... Small problem: lack of invariance of Maxwell theory under the Galilean group. It was thought the equations were valid on a reference frame at rest with respect to the ether. The Michelson & Morley experiment was designed to measure the speed of the earth with respect to the ether. ...
... Small problem: lack of invariance of Maxwell theory under the Galilean group. It was thought the equations were valid on a reference frame at rest with respect to the ether. The Michelson & Morley experiment was designed to measure the speed of the earth with respect to the ether. ...
