Quantum mechanical approaches to the virial S.LeBohec
... evolution of expectation values. Considering an observable A, the expectation value of this observable is denoted hAi = hφ(t)|A|φ(t)i when the considered system is in the quantum state |φ(t)i. The Ehrenfest theorem provides an expression for the time derivative of expectation values. In order to est ...
... evolution of expectation values. Considering an observable A, the expectation value of this observable is denoted hAi = hφ(t)|A|φ(t)i when the considered system is in the quantum state |φ(t)i. The Ehrenfest theorem provides an expression for the time derivative of expectation values. In order to est ...
Spatial and Temporal Wave Functions of Photon
... de Broglie-Bohm interpretation both the wave function and the particle position are fundamental entities (Bohm & Hiley, 1993; Holland, 1994). We shall not follow any interpretation literally but rather quantum mechanics in common sense. In (Khokhlov, 2008) the quantum mechanical model of electromagn ...
... de Broglie-Bohm interpretation both the wave function and the particle position are fundamental entities (Bohm & Hiley, 1993; Holland, 1994). We shall not follow any interpretation literally but rather quantum mechanics in common sense. In (Khokhlov, 2008) the quantum mechanical model of electromagn ...
INTRODUCTION TO WAVE PACKETS
... By variable separable method this can be divided into two parts ...
... By variable separable method this can be divided into two parts ...
Redalyc.Atomic radiative corrections without QED: role of the zero
... lifetime. Consideration of the radiative corrections takes us thus from the Schrödinger to the QED realm, where the only true stationary state is the ground state (n = 0). Let us now assume that also the background field is in an excited state, and inquire whether in this case there can be equilibr ...
... lifetime. Consideration of the radiative corrections takes us thus from the Schrödinger to the QED realm, where the only true stationary state is the ground state (n = 0). Let us now assume that also the background field is in an excited state, and inquire whether in this case there can be equilibr ...
Nonclassical States of Cold Atomic Ensembles and of Light Fields
... National Science Foundation – Award ID number PHY 0653414 Atomic clocks are the most accurate instruments ever developed. For clocks that operate with an atomic ensemble to improve the signal over that for a single particle, the precision is fundamentally limited by the projection noise associated w ...
... National Science Foundation – Award ID number PHY 0653414 Atomic clocks are the most accurate instruments ever developed. For clocks that operate with an atomic ensemble to improve the signal over that for a single particle, the precision is fundamentally limited by the projection noise associated w ...
Quantum Theory: a Pragmatist Approach
... Born probabilities yielded by systems’ quantum states are the key to successful applications of quantum theory to explain and predict natural phenomena involving them. If one denies that the quantum state describes or represents the physical properties or relations of any system or ensemble of syste ...
... Born probabilities yielded by systems’ quantum states are the key to successful applications of quantum theory to explain and predict natural phenomena involving them. If one denies that the quantum state describes or represents the physical properties or relations of any system or ensemble of syste ...
Category Theory as the Language of Consciousness
... Self-organization: The principle of self-organization, in the structural domain, is the result of specific formal laws that govern a domain. Gravity, for example, leads to self-organized objects like planets, starts, galaxies and cluster of galaxies. Non-linearity seems to be an essential feature fo ...
... Self-organization: The principle of self-organization, in the structural domain, is the result of specific formal laws that govern a domain. Gravity, for example, leads to self-organized objects like planets, starts, galaxies and cluster of galaxies. Non-linearity seems to be an essential feature fo ...
Weak value amplification: a view from quantum estimation theory
... recently demonstrated experimentally8,20. It aims at measuring very small temporal delays τ, or correspondingly tiny phase changes24, with the help of optical pulses of much larger duration. We consider this specific case because it contains the main ingredients of a typical WVA scheme, explained be ...
... recently demonstrated experimentally8,20. It aims at measuring very small temporal delays τ, or correspondingly tiny phase changes24, with the help of optical pulses of much larger duration. We consider this specific case because it contains the main ingredients of a typical WVA scheme, explained be ...
Theoretische und Mathematische Grundlagen der Physik
... equations on the level of Green’s functions, are studied within different perturbative approaches to noncommutative quantum field theories. Time-space noncommutativity poses remarkable difficulties. The perturbative approach via modified Feynman rules has been shown to violate unitarity. Therefore, ...
... equations on the level of Green’s functions, are studied within different perturbative approaches to noncommutative quantum field theories. Time-space noncommutativity poses remarkable difficulties. The perturbative approach via modified Feynman rules has been shown to violate unitarity. Therefore, ...
Quantum Expanders: Motivation and Constructions
... Their quantum expander is based on a Cayley expander over the Abelian group Zn2 . The main drawback of Cayley graphs over Abelian groups is that [26, 4] showed that such an approach cannot yield constant degree expanders. Indeed, this is reflected in the log2 N term in Theorem 1.3. There are constan ...
... Their quantum expander is based on a Cayley expander over the Abelian group Zn2 . The main drawback of Cayley graphs over Abelian groups is that [26, 4] showed that such an approach cannot yield constant degree expanders. Indeed, this is reflected in the log2 N term in Theorem 1.3. There are constan ...
physics and narrative - Rutgers Philosophy Department
... Moreover, if all this is right, collapse theories will arguably have a distinct advantage over theories like Bohm’s. It seems part and parcel of what it is to be a Bohmian-Mechanical particle - after all - that it has a narrative, that there are facts about which particular trajectory of space-time ...
... Moreover, if all this is right, collapse theories will arguably have a distinct advantage over theories like Bohm’s. It seems part and parcel of what it is to be a Bohmian-Mechanical particle - after all - that it has a narrative, that there are facts about which particular trajectory of space-time ...
Giovannini, D., Romero, J., Leach, J., Dudley, A, Forbes, A, and
... entanglement of high-dimensional states provides implementations of QKD that are more tolerant to eavesdropping and can improve the bit rate in other quantum communication protocols [23–28]. One of the advantages of OAM is the ability to access d-dimensional subspaces [29], for each of which we can ...
... entanglement of high-dimensional states provides implementations of QKD that are more tolerant to eavesdropping and can improve the bit rate in other quantum communication protocols [23–28]. One of the advantages of OAM is the ability to access d-dimensional subspaces [29], for each of which we can ...
Introduction to Quantum Information
... question as to whether information entropy is the same quantity that appears in statistical mechanics. It is! An important and simple example is the way in which we can obtain the Boltzmann distribution by maximising the information (what we have yet to discover) subject only to a constraint on the ...
... question as to whether information entropy is the same quantity that appears in statistical mechanics. It is! An important and simple example is the way in which we can obtain the Boltzmann distribution by maximising the information (what we have yet to discover) subject only to a constraint on the ...
1 Complex Numbers in Quantum Mechanics
... well-defined momentum enters a crystal and then leaves again, there can be maxima and minima observed between electron waves arriving at a given point via different paths. Amplitudes may add constructively or destructively. We have said already that to even describe waves for material particles, we ne ...
... well-defined momentum enters a crystal and then leaves again, there can be maxima and minima observed between electron waves arriving at a given point via different paths. Amplitudes may add constructively or destructively. We have said already that to even describe waves for material particles, we ne ...
Steady-state quantum interference in resonance
... from the radiation field and there will be no fluorescence. This is the case only when all three of the above conditions are met. A proper theory of the spontaneously emitted fluorescence requires a quantum electrodynamic treatment. Milonni (1976) and Renaud (1976) have carried out such a quantum tr ...
... from the radiation field and there will be no fluorescence. This is the case only when all three of the above conditions are met. A proper theory of the spontaneously emitted fluorescence requires a quantum electrodynamic treatment. Milonni (1976) and Renaud (1976) have carried out such a quantum tr ...
How Quantum Theory Helps us Explain
... particular circumstances and able to reason from them. But critics have objected that such an argument is genuinely explanatory only if its premises state what caused the phenomenon, where it is assumed that any cause of an instance of the phenomenon bears an asymmetric relation of causal influence ...
... particular circumstances and able to reason from them. But critics have objected that such an argument is genuinely explanatory only if its premises state what caused the phenomenon, where it is assumed that any cause of an instance of the phenomenon bears an asymmetric relation of causal influence ...