Confusions and questions about the information paradox 1 September 17, 2009
... matter to burn up and radiate its information out. It is not all all clear how to complete such an argument. The Schwarzschild coordinates become bad at the horizon, and one consequence of this is the diverging redshift observed for all objects near the horizon. If we are to make any arguments in th ...
... matter to burn up and radiate its information out. It is not all all clear how to complete such an argument. The Schwarzschild coordinates become bad at the horizon, and one consequence of this is the diverging redshift observed for all objects near the horizon. If we are to make any arguments in th ...
Generalized Second Law in String Cosmology
... applied to cosmology. We propose to turn to general thermodynamical considerations in the quest to understand cosmological singularities, as first suggested by Bekenstein [3] in the context of Einstein’s general relativity. We propose that entropy considerations, in particular accounting for geometr ...
... applied to cosmology. We propose to turn to general thermodynamical considerations in the quest to understand cosmological singularities, as first suggested by Bekenstein [3] in the context of Einstein’s general relativity. We propose that entropy considerations, in particular accounting for geometr ...
For ULSI workshop. OUR SLIDES not ready. In PPT format.
... • After measurement this state gives |0> and |1> with equal probabilities ½. ...
... • After measurement this state gives |0> and |1> with equal probabilities ½. ...
Alma Mater Studiorum Universit`a degli Studi di Bologna
... for the investigation in 4 dimensional QFT or ST, thanks to Maldacena conjecture. In many cases, we deal with non-conformal models, that can be seen as perturbations of conformal ones. Often, an infinite number of conserved quantities survives the perturbation and we deal with integrable models wher ...
... for the investigation in 4 dimensional QFT or ST, thanks to Maldacena conjecture. In many cases, we deal with non-conformal models, that can be seen as perturbations of conformal ones. Often, an infinite number of conserved quantities survives the perturbation and we deal with integrable models wher ...
Electronic and atomic structure of liquid potassium via
... systems. Among these, liquid alkali metals have received a good deal of attention [3, 4]. Alkali metals are good prototypes of free-electron systems which offer a particular challenge due to the intimate relation and cooperative evolution of the atomic and electronic structure. It is easy for liquid ...
... systems. Among these, liquid alkali metals have received a good deal of attention [3, 4]. Alkali metals are good prototypes of free-electron systems which offer a particular challenge due to the intimate relation and cooperative evolution of the atomic and electronic structure. It is easy for liquid ...
When is an area law not an area law?
... For example, could one identify some sort of “falloff of entanglement with distance” which would yield the entropy when integrated over all pairs of points on either side of the boundary? If so, and if the entanglement fell off as 1/r 2 , then logarithmic scaling would follow.) (In a rather differe ...
... For example, could one identify some sort of “falloff of entanglement with distance” which would yield the entropy when integrated over all pairs of points on either side of the boundary? If so, and if the entanglement fell off as 1/r 2 , then logarithmic scaling would follow.) (In a rather differe ...
Electron-Electron Scattering in a Double Quantum Dot
... spherical direct-band semiconductor QDs 共e.g., Refs. 2, 5, and 7兲. For instance, the difference between squared matrix elements calculated with the point dipole approximation and that using a pseudopotential calculation is less than 3% even at quasicontact interdot distances.5 Thus, one can expect t ...
... spherical direct-band semiconductor QDs 共e.g., Refs. 2, 5, and 7兲. For instance, the difference between squared matrix elements calculated with the point dipole approximation and that using a pseudopotential calculation is less than 3% even at quasicontact interdot distances.5 Thus, one can expect t ...
1917 The Quantum Theory of Radiation
... our molecules by the radiation field. we make use in this of a method that is known to us from the theory of Brownian motion and which I have often used in investigating motions in a region containing radiation. To simplify the calculation, we shall carry it through for the case in which the motion ...
... our molecules by the radiation field. we make use in this of a method that is known to us from the theory of Brownian motion and which I have often used in investigating motions in a region containing radiation. To simplify the calculation, we shall carry it through for the case in which the motion ...
1 Introduction 2 Electromagnetism in Quantum Mechanics 3
... spatial position. Any attempt to patch this, e.g., by introducing a point of discontinuity in χ(φ), results in a vector potential which is non-zero outside the soelnoid for some value(s) of φ. We have constructed a physical situation, to a good approximation, in which the magnetic field vanishes in a ...
... spatial position. Any attempt to patch this, e.g., by introducing a point of discontinuity in χ(φ), results in a vector potential which is non-zero outside the soelnoid for some value(s) of φ. We have constructed a physical situation, to a good approximation, in which the magnetic field vanishes in a ...
Experiments with Entangled Photons Bell Inequalities, Non-local Games and Bound Entanglement
... Furthermore, the CHSH inequality can be used to devise games that can outperform classical strategies. We explore CHSH-games for biased and unbiased cases and present their experimental realizations. We also found a remarkable application of CHSH-games in real life, namely in the card game of duplic ...
... Furthermore, the CHSH inequality can be used to devise games that can outperform classical strategies. We explore CHSH-games for biased and unbiased cases and present their experimental realizations. We also found a remarkable application of CHSH-games in real life, namely in the card game of duplic ...
A Factor-Graph Representation of Probabilities in Quantum Mechanics
... probabilities in quantum mechanics are quite ordinary, but their state-space representation is of a type not previously used in statistical modeling. In particular, we propose a factor-graph representation of quantum mechanics that correctly represents the joint probability distribution of any numbe ...
... probabilities in quantum mechanics are quite ordinary, but their state-space representation is of a type not previously used in statistical modeling. In particular, we propose a factor-graph representation of quantum mechanics that correctly represents the joint probability distribution of any numbe ...
Conduction electrons propagate diffusively in the system: bumping
... the same, the interference term between them do not average to zero. It turns out that the probability of finding the electron at O is twice that of the classical result because of the quantum interference. ...
... the same, the interference term between them do not average to zero. It turns out that the probability of finding the electron at O is twice that of the classical result because of the quantum interference. ...
Three Puzzles about Bohr`s Correspondence Principle
... rejects this view that the correspondence principle can be thought of as an analogy between the two theories. He writes, In Q.o.L [Bohr 1918] this designation has not yet been used, but the substance of the principle is referred to there as a formal analogy between the quantum theory and the classic ...
... rejects this view that the correspondence principle can be thought of as an analogy between the two theories. He writes, In Q.o.L [Bohr 1918] this designation has not yet been used, but the substance of the principle is referred to there as a formal analogy between the quantum theory and the classic ...
Line junctions in the quantum Hall effect - Penn Physics
... antiwire.’’ As the gate potential is varied, the degree of backscattering between the two counterpropagating modes can be varied. For strong depletion under the gate, all backscattering can be effectively eliminated, and the source to drain conductance vanishes. In the opposite limit, the gate poten ...
... antiwire.’’ As the gate potential is varied, the degree of backscattering between the two counterpropagating modes can be varied. For strong depletion under the gate, all backscattering can be effectively eliminated, and the source to drain conductance vanishes. In the opposite limit, the gate poten ...
The Schrödinger Wave Equation
... when both slits are open, we do not see the sum of these two diffraction patterns (P1 + P2 ) but rather the characteristic interference pattern P12 . If we place a light source behind the slits as shown in Figure 12.9, we might hope that, because of the light scattering by the electron, we could det ...
... when both slits are open, we do not see the sum of these two diffraction patterns (P1 + P2 ) but rather the characteristic interference pattern P12 . If we place a light source behind the slits as shown in Figure 12.9, we might hope that, because of the light scattering by the electron, we could det ...
Helium - UF Physics
... Super fluidity was first discovered in helium-3 by American physicists David M. Lee, Douglas D. Osheroff, and Robert C. Richardson. It occurs at temperatures a few thousandths of a degree above absolute zero and is distinguished by either an A phase or a higher-pressure, lower-temperature B phase. H ...
... Super fluidity was first discovered in helium-3 by American physicists David M. Lee, Douglas D. Osheroff, and Robert C. Richardson. It occurs at temperatures a few thousandths of a degree above absolute zero and is distinguished by either an A phase or a higher-pressure, lower-temperature B phase. H ...
In search of symmetry lost
... A gauge transformation is a mathematical transformation of electromagnetic potentials and the wavefunctions of charged particles. When we say electrodynamics obeys gauge symmetry, we mean that while the gauge transformation changes the variables that appear in the equations of electrodynamics, and c ...
... A gauge transformation is a mathematical transformation of electromagnetic potentials and the wavefunctions of charged particles. When we say electrodynamics obeys gauge symmetry, we mean that while the gauge transformation changes the variables that appear in the equations of electrodynamics, and c ...
