Quantum mechanics near closed timelike lines
... but chronology-violating spacetimes (i.e. , spacetimes containing closed timelike lines) tend also to have other unfamiliar features such as "wormholes" and singularities. These may or may not persist when quantum gravity is taken into account. And they introduce technical and conceptual problems of ...
... but chronology-violating spacetimes (i.e. , spacetimes containing closed timelike lines) tend also to have other unfamiliar features such as "wormholes" and singularities. These may or may not persist when quantum gravity is taken into account. And they introduce technical and conceptual problems of ...
Quantum Information Science
... the prime factors of very large numbers in an amount of time not much more than what is needed to do multiplications and other basic arithmetic with these large numbers. If our theory is right, it should be possible to mimick such a device using a classical theory. This gives us a falsifiable predic ...
... the prime factors of very large numbers in an amount of time not much more than what is needed to do multiplications and other basic arithmetic with these large numbers. If our theory is right, it should be possible to mimick such a device using a classical theory. This gives us a falsifiable predic ...
Ontology in Quantum Darwinism
... determined by the structure of the system-environment interaction Pointer states of the system are the least interaction. entangled with the environment”. ...
... determined by the structure of the system-environment interaction Pointer states of the system are the least interaction. entangled with the environment”. ...
PPT - Fernando Brandao
... of commuting models at high temperature. Caveat: At high temperature cluster expansion works well for computing local expectation values. (Open: How the two threshold T’s compare?) Q advantage: we get the full Gibbs state (e.g. could perform swap test of purifications of two Gibbs states. Good for a ...
... of commuting models at high temperature. Caveat: At high temperature cluster expansion works well for computing local expectation values. (Open: How the two threshold T’s compare?) Q advantage: we get the full Gibbs state (e.g. could perform swap test of purifications of two Gibbs states. Good for a ...
Postprint
... where u is a formal variable of degree 2. In other words S is a Maurer-Cartan element in the differential graded (dg) Lie algebra (OM [[u]][1], u∆, { , }). The Grothendieck-Teichmüller group GRT1 is a pro-unipotent group introduced by Drinfeld in [Dr]; we denote its Lie algebra by grt1 . In this pa ...
... where u is a formal variable of degree 2. In other words S is a Maurer-Cartan element in the differential graded (dg) Lie algebra (OM [[u]][1], u∆, { , }). The Grothendieck-Teichmüller group GRT1 is a pro-unipotent group introduced by Drinfeld in [Dr]; we denote its Lie algebra by grt1 . In this pa ...
Photon localizability - Current research interest: photon position
... The literature starts before 1930 and is sometimes confusing, in part because there are really 3 problems: 1) For any quantum particle ψ~e-iwt with +ve w= c k k and localizability is limited by FT theorems. 2) If all k's are equally weighted to localize the number probability density, then energy ...
... The literature starts before 1930 and is sometimes confusing, in part because there are really 3 problems: 1) For any quantum particle ψ~e-iwt with +ve w= c k k and localizability is limited by FT theorems. 2) If all k's are equally weighted to localize the number probability density, then energy ...
Topological Photonics Lu, John D. Joannopoulos, and Marin Soljaˇci´c
... metamaterials [11] and in quasicrystals [14]. We then extend our discussions to three dimensions, wherein we describe the stability of line nodes and Weyl points and their associated surface states [12]. We conclude by considering the outlook for further theoretical and technological advances. ...
... metamaterials [11] and in quasicrystals [14]. We then extend our discussions to three dimensions, wherein we describe the stability of line nodes and Weyl points and their associated surface states [12]. We conclude by considering the outlook for further theoretical and technological advances. ...
Critical Study of The Structure and Interpretation of
... are consistent with some account of the correlations they predict.2 I think there is an interesting the point issue here, but let us waive a amounts to for now. Van Fraassen's in C&M concession appendix that not all accounts of correlations need be causal. He lists five ways than common cause in whi ...
... are consistent with some account of the correlations they predict.2 I think there is an interesting the point issue here, but let us waive a amounts to for now. Van Fraassen's in C&M concession appendix that not all accounts of correlations need be causal. He lists five ways than common cause in whi ...
Recenti sviluppi della Meccanica Quantistica: dalla
... Pre-history: “measuring” the state Bernard d’Espagnat [1976]: The question of determining which operators correspond to observables and which do not is a very difficult one. At the present time, no satisfactory answer appears to be known. Neverthless, it is interesting to investigate the relationsh ...
... Pre-history: “measuring” the state Bernard d’Espagnat [1976]: The question of determining which operators correspond to observables and which do not is a very difficult one. At the present time, no satisfactory answer appears to be known. Neverthless, it is interesting to investigate the relationsh ...
Quantum Theory of Radiation
... other in any way; that is, no radiation energy could be either emitted or absorbed by the atom. A very simple example will explain these relations. Let us consider a pendulum which corresponds to the atom, and an oscillating string in the neighborhood of the pendulum which represents the radiation f ...
... other in any way; that is, no radiation energy could be either emitted or absorbed by the atom. A very simple example will explain these relations. Let us consider a pendulum which corresponds to the atom, and an oscillating string in the neighborhood of the pendulum which represents the radiation f ...
Local Quantum Measurement and No
... Consider two experimenters, Alice and Bob, at two distant locations. They share a preparation of a bipartite physical system, on which they locally perform one of several measurements. This shared preparation may thereby cause the distribution over the possible two outcomes to be correlated. In natu ...
... Consider two experimenters, Alice and Bob, at two distant locations. They share a preparation of a bipartite physical system, on which they locally perform one of several measurements. This shared preparation may thereby cause the distribution over the possible two outcomes to be correlated. In natu ...
Creation of multiple electron-positron pairs in arbitrary fields
... simulations of the strong-field process, which we refer to as computational quantum field theory. An initial analysis of this approach has already provided some insights into various conceptual problems such as the Klein paradox 关26–29兴, the Zitterbewegung 关30–32兴, the electron localization, and the ...
... simulations of the strong-field process, which we refer to as computational quantum field theory. An initial analysis of this approach has already provided some insights into various conceptual problems such as the Klein paradox 关26–29兴, the Zitterbewegung 关30–32兴, the electron localization, and the ...