Three measurement problems | SpringerLink
... Given that the state M* is the one we would use to do calculations if there really were an outcome, but we were just unsure which it is, one may wonder why deriving M* would not solve the measurement problem. That is, if we get M*, why can't we use the so-called ignorance interpretation and say that ...
... Given that the state M* is the one we would use to do calculations if there really were an outcome, but we were just unsure which it is, one may wonder why deriving M* would not solve the measurement problem. That is, if we get M*, why can't we use the so-called ignorance interpretation and say that ...
The combination of de Broglie`s Harmony of the Phases and Mie`s
... but this was not in contradiction with the postulates of Einstein’s Special Theory of Relativity because the wave couldn’t carry energy and the group-velocity of the wave, vgroup , equalled the velocity of the associated particle, vparticle . So the group velocity was connected to the moving inertia ...
... but this was not in contradiction with the postulates of Einstein’s Special Theory of Relativity because the wave couldn’t carry energy and the group-velocity of the wave, vgroup , equalled the velocity of the associated particle, vparticle . So the group velocity was connected to the moving inertia ...
- Philsci
... Like mirror symmetry, there is some reason to think TRI does not actually hold. Experiments in high-energy physics, coupled with a theorem of quantum field theory, suggest that neutral kaon decay violates this symmetry. However, the standard model in particle physics doesn't demand lack of TRI -- it ...
... Like mirror symmetry, there is some reason to think TRI does not actually hold. Experiments in high-energy physics, coupled with a theorem of quantum field theory, suggest that neutral kaon decay violates this symmetry. However, the standard model in particle physics doesn't demand lack of TRI -- it ...
Can Bohmian Mechanics Be Made Background Independent?
... Euclidean 3-space at all times, and (ii) providing a deterministic law of motion depending on Ψ for the temporal development of the universal configuration of such particles. In Bohmian terms, the measurement process is just a complicated “dance” involving the particles constituting the measured sys ...
... Euclidean 3-space at all times, and (ii) providing a deterministic law of motion depending on Ψ for the temporal development of the universal configuration of such particles. In Bohmian terms, the measurement process is just a complicated “dance” involving the particles constituting the measured sys ...
Is the moon there when nobody looks?
... “That which really exists in B should …not depend on what kind of measurement is carried out in part of space A; it should also be independent of whether or not any measurement at all is carried out in space A. If one adheres to this program, one can hardly consider the quantum-theoretical descripti ...
... “That which really exists in B should …not depend on what kind of measurement is carried out in part of space A; it should also be independent of whether or not any measurement at all is carried out in space A. If one adheres to this program, one can hardly consider the quantum-theoretical descripti ...
physics/0607082 PDF
... that the search of an authentically creative1 or innovative activity of Nature cannot be performed at the purely macroscopic level of natural phenomena, because this is governed by the inflexible necessity expressed in the local, deterministic and causal structure of classical laws. For example it i ...
... that the search of an authentically creative1 or innovative activity of Nature cannot be performed at the purely macroscopic level of natural phenomena, because this is governed by the inflexible necessity expressed in the local, deterministic and causal structure of classical laws. For example it i ...
- Philsci
... in which we have assumed that the detector d is such that |d >< d| = P̂d , a linear operator acting on the Hilbert space. In Feynman’s notation the inner product of ψ± and P̂d ψ± equals the probability |hd|±i|2 , that is, hψ± , P̂d ψ± )i = |hd|±i|2 and hψ+ , P̂d ψ− i = h+|dihd|−i These formulae can ...
... in which we have assumed that the detector d is such that |d >< d| = P̂d , a linear operator acting on the Hilbert space. In Feynman’s notation the inner product of ψ± and P̂d ψ± equals the probability |hd|±i|2 , that is, hψ± , P̂d ψ± )i = |hd|±i|2 and hψ+ , P̂d ψ− i = h+|dihd|−i These formulae can ...
The relation between wave vector and momentum in quantum
... in the relation, is formulized as the integration of it along the angular coordinates for two and three dimensional cases. Various evaluations of the wave vector are performed for different types of waves and the results are discussed. Also the edge diffracted fields are considered according to the n ...
... in the relation, is formulized as the integration of it along the angular coordinates for two and three dimensional cases. Various evaluations of the wave vector are performed for different types of waves and the results are discussed. Also the edge diffracted fields are considered according to the n ...
Lecture 11 Identical particles
... Within non-relativistic quantum mechanics, correlation between spin and statistics can be seen as an empirical law. However, the spin-statistics relation emerges naturally from the unification of quantum mechanics and special relativity. The rule that fermions have half-integer spin and bosons have ...
... Within non-relativistic quantum mechanics, correlation between spin and statistics can be seen as an empirical law. However, the spin-statistics relation emerges naturally from the unification of quantum mechanics and special relativity. The rule that fermions have half-integer spin and bosons have ...
Can Bohmian mechanics be made relativistic?
... by Bell. Indeed, the non-locality just described is precisely the manifestation, in this theory, of the sort of non-locality Bell proved must be present in any theory sharing the empirical predictions of ordinary quantum theory [5,6]. Unlike certain other ‘quantum theories without observers’ (for ex ...
... by Bell. Indeed, the non-locality just described is precisely the manifestation, in this theory, of the sort of non-locality Bell proved must be present in any theory sharing the empirical predictions of ordinary quantum theory [5,6]. Unlike certain other ‘quantum theories without observers’ (for ex ...
Outline of section 4
... This corresponds to expanding the wavefunction in the complete set of eigenstates of the operator for the physical quantity we are measuring and interpreting the modulus squared of the expansion coefficients as the probability of getting a particular result. This is the general form of the Born inte ...
... This corresponds to expanding the wavefunction in the complete set of eigenstates of the operator for the physical quantity we are measuring and interpreting the modulus squared of the expansion coefficients as the probability of getting a particular result. This is the general form of the Born inte ...
A wave-particle duality at a macroscopic
... They deviate because of the reflected waves Only those walkers which have had a weak deviation have a probability of crossing The walker deviates have a weaker probability of being deviated when the reflected waves are weaker (thin barriers), hence a larger probability of crossing ...
... They deviate because of the reflected waves Only those walkers which have had a weak deviation have a probability of crossing The walker deviates have a weaker probability of being deviated when the reflected waves are weaker (thin barriers), hence a larger probability of crossing ...
file
... by the empirical sciences, especially physics. Now, this special issue of JPBM as well as the previous research of some of its contributors contain significant attempts to overcome any such oversights. Also, some leading phenomenologists have in fact made connections between phenomenology and the new ...
... by the empirical sciences, especially physics. Now, this special issue of JPBM as well as the previous research of some of its contributors contain significant attempts to overcome any such oversights. Also, some leading phenomenologists have in fact made connections between phenomenology and the new ...
A Global Equilibrium as the Foundation of Quantum
... and their environment—going on, as Bell has emphasized [3], more or less everywhere, all the time? Moreover, as Einstein [13] has emphasized, “on principle, it is quite wrong to try founding a theory on observable magnitudes alone. ...It is the theory which decides what we can observe.” Thus, withou ...
... and their environment—going on, as Bell has emphasized [3], more or less everywhere, all the time? Moreover, as Einstein [13] has emphasized, “on principle, it is quite wrong to try founding a theory on observable magnitudes alone. ...It is the theory which decides what we can observe.” Thus, withou ...
Can Mind Affect Matter Via Active Information?
... think of the quantum potential as feeding energy into each individual particle as it goes through the experimental apparatus. We assume that each particle will follow one definite trajectory from beginning to end. Nevertheless the ensemble of particles will exhibit wave-like behavior (e.g. an interfe ...
... think of the quantum potential as feeding energy into each individual particle as it goes through the experimental apparatus. We assume that each particle will follow one definite trajectory from beginning to end. Nevertheless the ensemble of particles will exhibit wave-like behavior (e.g. an interfe ...
Probability in Bohmian Mechanics[1]
... 3. Why Justify the Distribution Postulate? The status of the distribution postulate has been controversial since Bohm announced his theory. Pauli 1953 and Keller 1953 soon objected to simply stipulating (3). They wanted Bohmian mechanics to work with any initial probability distribution; that is, th ...
... 3. Why Justify the Distribution Postulate? The status of the distribution postulate has been controversial since Bohm announced his theory. Pauli 1953 and Keller 1953 soon objected to simply stipulating (3). They wanted Bohmian mechanics to work with any initial probability distribution; that is, th ...
A paradox in quantum measurement theory - Philsci
... reference is required to describe wave function collapse. But if these arguments are correct, quantum measurement theory is not merely dependant on the frame of collapse it is positively inconsistent, and experimental tests would have to be done to verify whether the apparent non-local effects predi ...
... reference is required to describe wave function collapse. But if these arguments are correct, quantum measurement theory is not merely dependant on the frame of collapse it is positively inconsistent, and experimental tests would have to be done to verify whether the apparent non-local effects predi ...
Miracles, Materialism, and Quantum Mechanics
... Large pond Warning: the “classical ‘explanation’” presented on this slide is patently false ...
... Large pond Warning: the “classical ‘explanation’” presented on this slide is patently false ...
- New England Complex Systems Institute
... have been correct in their interpretations: At heart chaos theory provides the determinism so dear to Einstein; yet for most practical purposes it reduces to the probabilities of the Copenhagen interpretation. Interestingly enough, although authors of the earlier (not altogether successful) attempts ...
... have been correct in their interpretations: At heart chaos theory provides the determinism so dear to Einstein; yet for most practical purposes it reduces to the probabilities of the Copenhagen interpretation. Interestingly enough, although authors of the earlier (not altogether successful) attempts ...
On the interpretation of measurement in quantum theory
... of the measurement is one of the states ~ u2o(t) ~ % . It is of course very unsatisfactory to assume that the laws of nature change according to whether or not a physical process is a measurement. The difficulties arising when a macroscopic system is described by quantum theory can be seen more dire ...
... of the measurement is one of the states ~ u2o(t) ~ % . It is of course very unsatisfactory to assume that the laws of nature change according to whether or not a physical process is a measurement. The difficulties arising when a macroscopic system is described by quantum theory can be seen more dire ...
QUANTUM HETERODOXY: REALISM AT THE PLANK LENGTH Q
... supports of the two functions. The Paley-Weiner Theorem states that if the support of ψ(x) is compact then the support of its Fourier transform is the whole of <, since the latter is then an analytic complete function. In other words if the position wave function is localised—even if the area of its ...
... supports of the two functions. The Paley-Weiner Theorem states that if the support of ψ(x) is compact then the support of its Fourier transform is the whole of <, since the latter is then an analytic complete function. In other words if the position wave function is localised—even if the area of its ...
Speculations on the Union of Science and Religion
... (For those readers who may not already familiar with this material, I would recommend that the Wikipedia article on the interpretation of quantum mechanics be reviewed before you continue.) You will note that none of these interpretations provides an intuitively satisfactory explanation of how the ...
... (For those readers who may not already familiar with this material, I would recommend that the Wikipedia article on the interpretation of quantum mechanics be reviewed before you continue.) You will note that none of these interpretations provides an intuitively satisfactory explanation of how the ...
Free Will Theorem
... In short: if the composite system is in the singlet state, and if Alice and Bob use identically aligned spin-squared meters, then they are certain to get identical results (0s with probability 13 , 1s with probability 23 ). This is what Conway and Kochen mean when they say the particles are “twinned ...
... In short: if the composite system is in the singlet state, and if Alice and Bob use identically aligned spin-squared meters, then they are certain to get identical results (0s with probability 13 , 1s with probability 23 ). This is what Conway and Kochen mean when they say the particles are “twinned ...
Section 2.5 Supplement
... 2006 [17] R.Renner, Z.Phys. 92, 172 (1934) [18] H.C.Longuet-Higgins, Adv. Spectrosc.2, 429 (1961) [19] M.C.M. O’Brien, C.C.Chancey, Am.Jour.Phys. 61, 688 (1993)[20] M.V.Berry, Proc.Roy.Soc.London A392, 45 (1984)[21] Y.Aharonov, D.Bohm, Phys.Rev. 115, 485 (1959) [22] C.Alden Mead, Chem.Phys. 49, 23 ( ...
... 2006 [17] R.Renner, Z.Phys. 92, 172 (1934) [18] H.C.Longuet-Higgins, Adv. Spectrosc.2, 429 (1961) [19] M.C.M. O’Brien, C.C.Chancey, Am.Jour.Phys. 61, 688 (1993)[20] M.V.Berry, Proc.Roy.Soc.London A392, 45 (1984)[21] Y.Aharonov, D.Bohm, Phys.Rev. 115, 485 (1959) [22] C.Alden Mead, Chem.Phys. 49, 23 ( ...