Generalized Second Law in String Cosmology
... reached, the solution can no longer stay on the fixed point, and it must move away towards an exit. One way this can happen is if quantum corrections, perhaps of the type discussed in [20,21] exist. The full GSL therefore forces actions to have generic solutions that are non-singular, classical GSL ...
... reached, the solution can no longer stay on the fixed point, and it must move away towards an exit. One way this can happen is if quantum corrections, perhaps of the type discussed in [20,21] exist. The full GSL therefore forces actions to have generic solutions that are non-singular, classical GSL ...
The Parallel Development of Matrix and Wave Mechanics
... of wave and matrix mechanics I will use the philosophical vocabulary of the philosopher of science and medical biologist Ludwik Fleck. In his book “Genesis and Development of a Scientific Fact” (1935), Fleck describes the formation of a fact in a new, more of a sociological way. In his discussion he ...
... of wave and matrix mechanics I will use the philosophical vocabulary of the philosopher of science and medical biologist Ludwik Fleck. In his book “Genesis and Development of a Scientific Fact” (1935), Fleck describes the formation of a fact in a new, more of a sociological way. In his discussion he ...
On the quantum no-signalling assisted zero-error
... an noiseless channel [2] and the dual theorem “reverse Shannon theorem” was proved recently [3]. According to different resources available between A and B, this simulation problem has many variants and the case when A and B share unlimited amount of entanglement has been completely solved [3]. To o ...
... an noiseless channel [2] and the dual theorem “reverse Shannon theorem” was proved recently [3]. According to different resources available between A and B, this simulation problem has many variants and the case when A and B share unlimited amount of entanglement has been completely solved [3]. To o ...
How to hide a secret direction
... protocol in which the space explorers are told about what specific preparation of (7) is being used. We will assume that the carrier state is prepared (and that the space explorers are informed accordingly) following this recipe: with probability p the carrier state is ρf = [J, J]n , i.e. it has to ...
... protocol in which the space explorers are told about what specific preparation of (7) is being used. We will assume that the carrier state is prepared (and that the space explorers are informed accordingly) following this recipe: with probability p the carrier state is ρf = [J, J]n , i.e. it has to ...
Experimental Evaluation of an Adiabatic Quantum System for
... research. If an embedding is not known the problem can be solved by Blackbox, described in the next section. Finally there has been some debate as to whether D-Wave chips form a “truly’ quantum system; this has been demonstrated for smaller (8 and 16 qubit) systems [22], [25] but not, as yet, for th ...
... research. If an embedding is not known the problem can be solved by Blackbox, described in the next section. Finally there has been some debate as to whether D-Wave chips form a “truly’ quantum system; this has been demonstrated for smaller (8 and 16 qubit) systems [22], [25] but not, as yet, for th ...
Gravitational Quantum States of Neutrons and the New GRANIT
... The Workshop GRANIT-2010 on experimental and theoretical approaches to neutron quantum states in the gravitational field took place in Les Houches, France, on 14–19 February 20101; it was attended by over 50 participants from 12 countries. Ultracold neutrons (UCNs)9–11 are settled in gravitational q ...
... The Workshop GRANIT-2010 on experimental and theoretical approaches to neutron quantum states in the gravitational field took place in Les Houches, France, on 14–19 February 20101; it was attended by over 50 participants from 12 countries. Ultracold neutrons (UCNs)9–11 are settled in gravitational q ...
Isolation of the Conceptual Ingredients of Quantum Theory by Toy
... the biggest disagreement. In a famous paper [10] Einstein, Podolsky and Rosen put forward an argument that Quantum Mechanics is incomplete, and really needed an hidden variable theory to underpin it. Whether they were correct or not is contentious, but the paper spurred on other thinkers to show exp ...
... the biggest disagreement. In a famous paper [10] Einstein, Podolsky and Rosen put forward an argument that Quantum Mechanics is incomplete, and really needed an hidden variable theory to underpin it. Whether they were correct or not is contentious, but the paper spurred on other thinkers to show exp ...
AntalyaQuantumComputingTutorial
... one session only and then discarded. Thus, there exists the need for reliable and effective methods for the distribution of the encryption keys. The problem rests on the physical difficulty to detect the presence of an intruder when communicating through a classical communication channel. To date, s ...
... one session only and then discarded. Thus, there exists the need for reliable and effective methods for the distribution of the encryption keys. The problem rests on the physical difficulty to detect the presence of an intruder when communicating through a classical communication channel. To date, s ...
Quantum computers
... will always yield the same result we got this first time – Amplitudes are lost as soon as the measurement is made, so amplitudes cannot be measured ...
... will always yield the same result we got this first time – Amplitudes are lost as soon as the measurement is made, so amplitudes cannot be measured ...
Quantum computation of scattering in scalar quantum field theories
... large amount of effort devoted to finding additional quantum algorithms offering exponential speedup. This turns out to be very difficult. At present, only relatively few problems have been discovered admitting exponential quantum speedup [7], including simulating nonrelativistic many-body quantum s ...
... large amount of effort devoted to finding additional quantum algorithms offering exponential speedup. This turns out to be very difficult. At present, only relatively few problems have been discovered admitting exponential quantum speedup [7], including simulating nonrelativistic many-body quantum s ...
Topological Chern Indices in Molecular Spectra
... the adiabatic separation of variables enables one to split the global structure into bands associated with the “fast motion” and their internal structure described by a “slow motion” on a compact phase space. We have considered here only the problem when the dimension of the classical phase space fo ...
... the adiabatic separation of variables enables one to split the global structure into bands associated with the “fast motion” and their internal structure described by a “slow motion” on a compact phase space. We have considered here only the problem when the dimension of the classical phase space fo ...
The quantum mechanical tipping pencil--
... into our everyday world of Newtonian objects. The 3 s quantum mechanical tipping of a pencil is an urban myth of physics. Physics teachers should approach this problem with caution to ensure that their students are not getting the wrong idea about quantum mechanics and the realm to which it applies. ...
... into our everyday world of Newtonian objects. The 3 s quantum mechanical tipping of a pencil is an urban myth of physics. Physics teachers should approach this problem with caution to ensure that their students are not getting the wrong idea about quantum mechanics and the realm to which it applies. ...
Master Thesis
... nature. And then, in order to corroborate these models, we confront their predictions with experiments. However, extracting meaningful predictions from the mathematical model will often require to perform calculations that, while technically simple, take a lot of time. Therefore, we build machines, ...
... nature. And then, in order to corroborate these models, we confront their predictions with experiments. However, extracting meaningful predictions from the mathematical model will often require to perform calculations that, while technically simple, take a lot of time. Therefore, we build machines, ...
Mixed quantum–classical dynamics
... classical one. Two approaches have emerged that attempt to treat the interactions between quantum and classical systems in a self-consistent way, viz. mean-Ðeld and surface-hopping. The mean-Ðeld method (sometimes called Ehrenfest or eikonal) is based on a meanÐeld separation of classical and quantu ...
... classical one. Two approaches have emerged that attempt to treat the interactions between quantum and classical systems in a self-consistent way, viz. mean-Ðeld and surface-hopping. The mean-Ðeld method (sometimes called Ehrenfest or eikonal) is based on a meanÐeld separation of classical and quantu ...
